// Copyright (c) 2025 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**********************************************************************
 * Auto-generated by protocol-dts-generator.ts. Do not edit manually. *
 **********************************************************************/

/**
 * The Chrome DevTools Protocol.
 * @public
 */
export namespace Protocol {

    export type integer = number

    /**
     * This domain is deprecated - use Runtime or Log instead.
     * @deprecated
     */
    export namespace Console {

        export const enum ConsoleMessageSource {
            XML = 'xml',
            Javascript = 'javascript',
            Network = 'network',
            ConsoleAPI = 'console-api',
            Storage = 'storage',
            Appcache = 'appcache',
            Rendering = 'rendering',
            Security = 'security',
            Other = 'other',
            Deprecation = 'deprecation',
            Worker = 'worker',
        }

        export const enum ConsoleMessageLevel {
            Log = 'log',
            Warning = 'warning',
            Error = 'error',
            Debug = 'debug',
            Info = 'info',
        }

        /**
         * Console message.
         */
        export interface ConsoleMessage {
            /**
             * Message source.
             */
            source: ('xml' | 'javascript' | 'network' | 'console-api' | 'storage' | 'appcache' | 'rendering' | 'security' | 'other' | 'deprecation' | 'worker');
            /**
             * Message severity.
             */
            level: ('log' | 'warning' | 'error' | 'debug' | 'info');
            /**
             * Message text.
             */
            text: string;
            /**
             * URL of the message origin.
             */
            url?: string;
            /**
             * Line number in the resource that generated this message (1-based).
             */
            line?: integer;
            /**
             * Column number in the resource that generated this message (1-based).
             */
            column?: integer;
        }

        /**
         * Issued when new console message is added.
         */
        export interface MessageAddedEvent {
            /**
             * Console message that has been added.
             */
            message: ConsoleMessage;
        }
    }

    /**
     * Debugger domain exposes JavaScript debugging capabilities. It allows setting and removing
     * breakpoints, stepping through execution, exploring stack traces, etc.
     */
    export namespace Debugger {

        /**
         * Breakpoint identifier.
         */
        export type BreakpointId = string;

        /**
         * Call frame identifier.
         */
        export type CallFrameId = string;

        /**
         * Location in the source code.
         */
        export interface Location {
            /**
             * Script identifier as reported in the `Debugger.scriptParsed`.
             */
            scriptId: Runtime.ScriptId;
            /**
             * Line number in the script (0-based).
             */
            lineNumber: integer;
            /**
             * Column number in the script (0-based).
             */
            columnNumber?: integer;
        }

        /**
         * Location in the source code.
         * @experimental
         */
        export interface ScriptPosition {
            lineNumber: integer;
            columnNumber: integer;
        }

        /**
         * Location range within one script.
         * @experimental
         */
        export interface LocationRange {
            scriptId: Runtime.ScriptId;
            start: ScriptPosition;
            end: ScriptPosition;
        }

        /**
         * JavaScript call frame. Array of call frames form the call stack.
         */
        export interface CallFrame {
            /**
             * Call frame identifier. This identifier is only valid while the virtual machine is paused.
             */
            callFrameId: CallFrameId;
            /**
             * Name of the JavaScript function called on this call frame.
             */
            functionName: string;
            /**
             * Location in the source code.
             */
            functionLocation?: Location;
            /**
             * Location in the source code.
             */
            location: Location;
            /**
             * JavaScript script name or url.
             * Deprecated in favor of using the `location.scriptId` to resolve the URL via a previously
             * sent `Debugger.scriptParsed` event.
             * @deprecated
             */
            url: string;
            /**
             * Scope chain for this call frame.
             */
            scopeChain: Scope[];
            /**
             * `this` object for this call frame.
             */
            this: Runtime.RemoteObject;
            /**
             * The value being returned, if the function is at return point.
             */
            returnValue?: Runtime.RemoteObject;
            /**
             * Valid only while the VM is paused and indicates whether this frame
             * can be restarted or not. Note that a `true` value here does not
             * guarantee that Debugger#restartFrame with this CallFrameId will be
             * successful, but it is very likely.
             * @experimental
             */
            canBeRestarted?: boolean;
        }

        export const enum ScopeType {
            Global = 'global',
            Local = 'local',
            With = 'with',
            Closure = 'closure',
            Catch = 'catch',
            Block = 'block',
            Script = 'script',
            Eval = 'eval',
            Module = 'module',
            WasmExpressionStack = 'wasm-expression-stack',
        }

        /**
         * Scope description.
         */
        export interface Scope {
            /**
             * Scope type.
             */
            type: ('global' | 'local' | 'with' | 'closure' | 'catch' | 'block' | 'script' | 'eval' | 'module' | 'wasm-expression-stack');
            /**
             * Object representing the scope. For `global` and `with` scopes it represents the actual
             * object; for the rest of the scopes, it is artificial transient object enumerating scope
             * variables as its properties.
             */
            object: Runtime.RemoteObject;
            name?: string;
            /**
             * Location in the source code where scope starts
             */
            startLocation?: Location;
            /**
             * Location in the source code where scope ends
             */
            endLocation?: Location;
        }

        /**
         * Search match for resource.
         */
        export interface SearchMatch {
            /**
             * Line number in resource content.
             */
            lineNumber: number;
            /**
             * Line with match content.
             */
            lineContent: string;
        }

        export const enum BreakLocationType {
            DebuggerStatement = 'debuggerStatement',
            Call = 'call',
            Return = 'return',
        }

        export interface BreakLocation {
            /**
             * Script identifier as reported in the `Debugger.scriptParsed`.
             */
            scriptId: Runtime.ScriptId;
            /**
             * Line number in the script (0-based).
             */
            lineNumber: integer;
            /**
             * Column number in the script (0-based).
             */
            columnNumber?: integer;
            type?: ('debuggerStatement' | 'call' | 'return');
        }

        /**
         * @experimental
         */
        export interface WasmDisassemblyChunk {
            /**
             * The next chunk of disassembled lines.
             */
            lines: string[];
            /**
             * The bytecode offsets describing the start of each line.
             */
            bytecodeOffsets: integer[];
        }

        /**
         * Enum of possible script languages.
         */
        export type ScriptLanguage = ('JavaScript' | 'WebAssembly');

        export const enum DebugSymbolsType {
            SourceMap = 'SourceMap',
            EmbeddedDWARF = 'EmbeddedDWARF',
            ExternalDWARF = 'ExternalDWARF',
        }

        /**
         * Debug symbols available for a wasm script.
         */
        export interface DebugSymbols {
            /**
             * Type of the debug symbols.
             */
            type: ('SourceMap' | 'EmbeddedDWARF' | 'ExternalDWARF');
            /**
             * URL of the external symbol source.
             */
            externalURL?: string;
        }

        export interface ResolvedBreakpoint {
            /**
             * Breakpoint unique identifier.
             */
            breakpointId: BreakpointId;
            /**
             * Actual breakpoint location.
             */
            location: Location;
        }

        export const enum ContinueToLocationRequestTargetCallFrames {
            Any = 'any',
            Current = 'current',
        }

        export interface ContinueToLocationRequest {
            /**
             * Location to continue to.
             */
            location: Location;
            targetCallFrames?: ('any' | 'current');
        }

        export interface EnableRequest {
            /**
             * The maximum size in bytes of collected scripts (not referenced by other heap objects)
             * the debugger can hold. Puts no limit if parameter is omitted.
             * @experimental
             */
            maxScriptsCacheSize?: number;
        }

        export interface EnableResponse {
            /**
             * Unique identifier of the debugger.
             * @experimental
             */
            debuggerId: Runtime.UniqueDebuggerId;
        }

        export interface EvaluateOnCallFrameRequest {
            /**
             * Call frame identifier to evaluate on.
             */
            callFrameId: CallFrameId;
            /**
             * Expression to evaluate.
             */
            expression: string;
            /**
             * String object group name to put result into (allows rapid releasing resulting object handles
             * using `releaseObjectGroup`).
             */
            objectGroup?: string;
            /**
             * Specifies whether command line API should be available to the evaluated expression, defaults
             * to false.
             */
            includeCommandLineAPI?: boolean;
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Whether the result is expected to be a JSON object that should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             * @experimental
             */
            generatePreview?: boolean;
            /**
             * Whether to throw an exception if side effect cannot be ruled out during evaluation.
             */
            throwOnSideEffect?: boolean;
            /**
             * Terminate execution after timing out (number of milliseconds).
             * @experimental
             */
            timeout?: Runtime.TimeDelta;
        }

        export interface EvaluateOnCallFrameResponse {
            /**
             * Object wrapper for the evaluation result.
             */
            result: Runtime.RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: Runtime.ExceptionDetails;
        }

        export interface GetPossibleBreakpointsRequest {
            /**
             * Start of range to search possible breakpoint locations in.
             */
            start: Location;
            /**
             * End of range to search possible breakpoint locations in (excluding). When not specified, end
             * of scripts is used as end of range.
             */
            end?: Location;
            /**
             * Only consider locations which are in the same (non-nested) function as start.
             */
            restrictToFunction?: boolean;
        }

        export interface GetPossibleBreakpointsResponse {
            /**
             * List of the possible breakpoint locations.
             */
            locations: BreakLocation[];
        }

        export interface GetScriptSourceRequest {
            /**
             * Id of the script to get source for.
             */
            scriptId: Runtime.ScriptId;
        }

        export interface GetScriptSourceResponse {
            /**
             * Script source (empty in case of Wasm bytecode).
             */
            scriptSource: string;
            /**
             * Wasm bytecode. (Encoded as a base64 string when passed over JSON)
             */
            bytecode?: string;
        }

        export interface DisassembleWasmModuleRequest {
            /**
             * Id of the script to disassemble
             */
            scriptId: Runtime.ScriptId;
        }

        export interface DisassembleWasmModuleResponse {
            /**
             * For large modules, return a stream from which additional chunks of
             * disassembly can be read successively.
             */
            streamId?: string;
            /**
             * The total number of lines in the disassembly text.
             */
            totalNumberOfLines: integer;
            /**
             * The offsets of all function bodies, in the format [start1, end1,
             * start2, end2, ...] where all ends are exclusive.
             */
            functionBodyOffsets: integer[];
            /**
             * The first chunk of disassembly.
             */
            chunk: WasmDisassemblyChunk;
        }

        export interface NextWasmDisassemblyChunkRequest {
            streamId: string;
        }

        export interface NextWasmDisassemblyChunkResponse {
            /**
             * The next chunk of disassembly.
             */
            chunk: WasmDisassemblyChunk;
        }

        export interface GetWasmBytecodeRequest {
            /**
             * Id of the Wasm script to get source for.
             */
            scriptId: Runtime.ScriptId;
        }

        export interface GetWasmBytecodeResponse {
            /**
             * Script source. (Encoded as a base64 string when passed over JSON)
             */
            bytecode: string;
        }

        export interface GetStackTraceRequest {
            stackTraceId: Runtime.StackTraceId;
        }

        export interface GetStackTraceResponse {
            stackTrace: Runtime.StackTrace;
        }

        export interface PauseOnAsyncCallRequest {
            /**
             * Debugger will pause when async call with given stack trace is started.
             */
            parentStackTraceId: Runtime.StackTraceId;
        }

        export interface RemoveBreakpointRequest {
            breakpointId: BreakpointId;
        }

        export const enum RestartFrameRequestMode {
            StepInto = 'StepInto',
        }

        export interface RestartFrameRequest {
            /**
             * Call frame identifier to evaluate on.
             */
            callFrameId: CallFrameId;
            /**
             * The `mode` parameter must be present and set to 'StepInto', otherwise
             * `restartFrame` will error out.
             * @experimental
             */
            mode?: ('StepInto');
        }

        export interface RestartFrameResponse {
            /**
             * New stack trace.
             * @deprecated
             */
            callFrames: CallFrame[];
            /**
             * Async stack trace, if any.
             * @deprecated
             */
            asyncStackTrace?: Runtime.StackTrace;
            /**
             * Async stack trace, if any.
             * @deprecated
             */
            asyncStackTraceId?: Runtime.StackTraceId;
        }

        export interface ResumeRequest {
            /**
             * Set to true to terminate execution upon resuming execution. In contrast
             * to Runtime.terminateExecution, this will allows to execute further
             * JavaScript (i.e. via evaluation) until execution of the paused code
             * is actually resumed, at which point termination is triggered.
             * If execution is currently not paused, this parameter has no effect.
             */
            terminateOnResume?: boolean;
        }

        export interface SearchInContentRequest {
            /**
             * Id of the script to search in.
             */
            scriptId: Runtime.ScriptId;
            /**
             * String to search for.
             */
            query: string;
            /**
             * If true, search is case sensitive.
             */
            caseSensitive?: boolean;
            /**
             * If true, treats string parameter as regex.
             */
            isRegex?: boolean;
        }

        export interface SearchInContentResponse {
            /**
             * List of search matches.
             */
            result: SearchMatch[];
        }

        export interface SetAsyncCallStackDepthRequest {
            /**
             * Maximum depth of async call stacks. Setting to `0` will effectively disable collecting async
             * call stacks (default).
             */
            maxDepth: integer;
        }

        export interface SetBlackboxExecutionContextsRequest {
            /**
             * Array of execution context unique ids for the debugger to ignore.
             */
            uniqueIds: string[];
        }

        export interface SetBlackboxPatternsRequest {
            /**
             * Array of regexps that will be used to check script url for blackbox state.
             */
            patterns: string[];
            /**
             * If true, also ignore scripts with no source url.
             */
            skipAnonymous?: boolean;
        }

        export interface SetBlackboxedRangesRequest {
            /**
             * Id of the script.
             */
            scriptId: Runtime.ScriptId;
            positions: ScriptPosition[];
        }

        export interface SetBreakpointRequest {
            /**
             * Location to set breakpoint in.
             */
            location: Location;
            /**
             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the
             * breakpoint if this expression evaluates to true.
             */
            condition?: string;
        }

        export interface SetBreakpointResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
            /**
             * Location this breakpoint resolved into.
             */
            actualLocation: Location;
        }

        export const enum SetInstrumentationBreakpointRequestInstrumentation {
            BeforeScriptExecution = 'beforeScriptExecution',
            BeforeScriptWithSourceMapExecution = 'beforeScriptWithSourceMapExecution',
        }

        export interface SetInstrumentationBreakpointRequest {
            /**
             * Instrumentation name.
             */
            instrumentation: ('beforeScriptExecution' | 'beforeScriptWithSourceMapExecution');
        }

        export interface SetInstrumentationBreakpointResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
        }

        export interface SetBreakpointByUrlRequest {
            /**
             * Line number to set breakpoint at.
             */
            lineNumber: integer;
            /**
             * URL of the resources to set breakpoint on.
             */
            url?: string;
            /**
             * Regex pattern for the URLs of the resources to set breakpoints on. Either `url` or
             * `urlRegex` must be specified.
             */
            urlRegex?: string;
            /**
             * Script hash of the resources to set breakpoint on.
             */
            scriptHash?: string;
            /**
             * Offset in the line to set breakpoint at.
             */
            columnNumber?: integer;
            /**
             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the
             * breakpoint if this expression evaluates to true.
             */
            condition?: string;
        }

        export interface SetBreakpointByUrlResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
            /**
             * List of the locations this breakpoint resolved into upon addition.
             */
            locations: Location[];
        }

        export interface SetBreakpointOnFunctionCallRequest {
            /**
             * Function object id.
             */
            objectId: Runtime.RemoteObjectId;
            /**
             * Expression to use as a breakpoint condition. When specified, debugger will
             * stop on the breakpoint if this expression evaluates to true.
             */
            condition?: string;
        }

        export interface SetBreakpointOnFunctionCallResponse {
            /**
             * Id of the created breakpoint for further reference.
             */
            breakpointId: BreakpointId;
        }

        export interface SetBreakpointsActiveRequest {
            /**
             * New value for breakpoints active state.
             */
            active: boolean;
        }

        export const enum SetPauseOnExceptionsRequestState {
            None = 'none',
            Caught = 'caught',
            Uncaught = 'uncaught',
            All = 'all',
        }

        export interface SetPauseOnExceptionsRequest {
            /**
             * Pause on exceptions mode.
             */
            state: ('none' | 'caught' | 'uncaught' | 'all');
        }

        export interface SetReturnValueRequest {
            /**
             * New return value.
             */
            newValue: Runtime.CallArgument;
        }

        export const enum SetScriptSourceResponseStatus {
            Ok = 'Ok',
            CompileError = 'CompileError',
            BlockedByActiveGenerator = 'BlockedByActiveGenerator',
            BlockedByActiveFunction = 'BlockedByActiveFunction',
            BlockedByTopLevelEsModuleChange = 'BlockedByTopLevelEsModuleChange',
        }

        export interface SetScriptSourceRequest {
            /**
             * Id of the script to edit.
             */
            scriptId: Runtime.ScriptId;
            /**
             * New content of the script.
             */
            scriptSource: string;
            /**
             * If true the change will not actually be applied. Dry run may be used to get result
             * description without actually modifying the code.
             */
            dryRun?: boolean;
            /**
             * If true, then `scriptSource` is allowed to change the function on top of the stack
             * as long as the top-most stack frame is the only activation of that function.
             * @experimental
             */
            allowTopFrameEditing?: boolean;
        }

        export interface SetScriptSourceResponse {
            /**
             * New stack trace in case editing has happened while VM was stopped.
             * @deprecated
             */
            callFrames?: CallFrame[];
            /**
             * Whether current call stack  was modified after applying the changes.
             * @deprecated
             */
            stackChanged?: boolean;
            /**
             * Async stack trace, if any.
             * @deprecated
             */
            asyncStackTrace?: Runtime.StackTrace;
            /**
             * Async stack trace, if any.
             * @deprecated
             */
            asyncStackTraceId?: Runtime.StackTraceId;
            /**
             * Whether the operation was successful or not. Only `Ok` denotes a
             * successful live edit while the other enum variants denote why
             * the live edit failed.
             * @experimental
             */
            status: ('Ok' | 'CompileError' | 'BlockedByActiveGenerator' | 'BlockedByActiveFunction' | 'BlockedByTopLevelEsModuleChange');
            /**
             * Exception details if any. Only present when `status` is `CompileError`.
             */
            exceptionDetails?: Runtime.ExceptionDetails;
        }

        export interface SetSkipAllPausesRequest {
            /**
             * New value for skip pauses state.
             */
            skip: boolean;
        }

        export interface SetVariableValueRequest {
            /**
             * 0-based number of scope as was listed in scope chain. Only 'local', 'closure' and 'catch'
             * scope types are allowed. Other scopes could be manipulated manually.
             */
            scopeNumber: integer;
            /**
             * Variable name.
             */
            variableName: string;
            /**
             * New variable value.
             */
            newValue: Runtime.CallArgument;
            /**
             * Id of callframe that holds variable.
             */
            callFrameId: CallFrameId;
        }

        export interface StepIntoRequest {
            /**
             * Debugger will pause on the execution of the first async task which was scheduled
             * before next pause.
             * @experimental
             */
            breakOnAsyncCall?: boolean;
            /**
             * The skipList specifies location ranges that should be skipped on step into.
             * @experimental
             */
            skipList?: LocationRange[];
        }

        export interface StepOverRequest {
            /**
             * The skipList specifies location ranges that should be skipped on step over.
             * @experimental
             */
            skipList?: LocationRange[];
        }

        /**
         * Fired when breakpoint is resolved to an actual script and location.
         * Deprecated in favor of `resolvedBreakpoints` in the `scriptParsed` event.
         * @deprecated
         */
        export interface BreakpointResolvedEvent {
            /**
             * Breakpoint unique identifier.
             */
            breakpointId: BreakpointId;
            /**
             * Actual breakpoint location.
             */
            location: Location;
        }

        export const enum PausedEventReason {
            Ambiguous = 'ambiguous',
            Assert = 'assert',
            CSPViolation = 'CSPViolation',
            DebugCommand = 'debugCommand',
            DOM = 'DOM',
            EventListener = 'EventListener',
            Exception = 'exception',
            Instrumentation = 'instrumentation',
            OOM = 'OOM',
            Other = 'other',
            PromiseRejection = 'promiseRejection',
            XHR = 'XHR',
            Step = 'step',
        }

        /**
         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
         */
        export interface PausedEvent {
            /**
             * Call stack the virtual machine stopped on.
             */
            callFrames: CallFrame[];
            /**
             * Pause reason.
             */
            reason: ('ambiguous' | 'assert' | 'CSPViolation' | 'debugCommand' | 'DOM' | 'EventListener' | 'exception' | 'instrumentation' | 'OOM' | 'other' | 'promiseRejection' | 'XHR' | 'step');
            /**
             * Object containing break-specific auxiliary properties.
             */
            data?: any;
            /**
             * Hit breakpoints IDs
             */
            hitBreakpoints?: string[];
            /**
             * Async stack trace, if any.
             */
            asyncStackTrace?: Runtime.StackTrace;
            /**
             * Async stack trace, if any.
             * @experimental
             */
            asyncStackTraceId?: Runtime.StackTraceId;
            /**
             * Never present, will be removed.
             * @deprecated
             * @experimental
             */
            asyncCallStackTraceId?: Runtime.StackTraceId;
        }

        /**
         * Fired when virtual machine fails to parse the script.
         */
        export interface ScriptFailedToParseEvent {
            /**
             * Identifier of the script parsed.
             */
            scriptId: Runtime.ScriptId;
            /**
             * URL or name of the script parsed (if any).
             */
            url: string;
            /**
             * Line offset of the script within the resource with given URL (for script tags).
             */
            startLine: integer;
            /**
             * Column offset of the script within the resource with given URL.
             */
            startColumn: integer;
            /**
             * Last line of the script.
             */
            endLine: integer;
            /**
             * Length of the last line of the script.
             */
            endColumn: integer;
            /**
             * Specifies script creation context.
             */
            executionContextId: Runtime.ExecutionContextId;
            /**
             * Content hash of the script, SHA-256.
             */
            hash: string;
            /**
             * For Wasm modules, the content of the `build_id` custom section. For JavaScript the `debugId` magic comment.
             */
            buildId: string;
            /**
             * Embedder-specific auxiliary data likely matching {isDefault: boolean, type: 'default'|'isolated'|'worker', frameId: string}
             */
            executionContextAuxData?: any;
            /**
             * URL of source map associated with script (if any).
             */
            sourceMapURL?: string;
            /**
             * True, if this script has sourceURL.
             */
            hasSourceURL?: boolean;
            /**
             * True, if this script is ES6 module.
             */
            isModule?: boolean;
            /**
             * This script length.
             */
            length?: integer;
            /**
             * JavaScript top stack frame of where the script parsed event was triggered if available.
             * @experimental
             */
            stackTrace?: Runtime.StackTrace;
            /**
             * If the scriptLanguage is WebAssembly, the code section offset in the module.
             * @experimental
             */
            codeOffset?: integer;
            /**
             * The language of the script.
             * @experimental
             */
            scriptLanguage?: Debugger.ScriptLanguage;
            /**
             * The name the embedder supplied for this script.
             * @experimental
             */
            embedderName?: string;
        }

        /**
         * Fired when virtual machine parses script. This event is also fired for all known and uncollected
         * scripts upon enabling debugger.
         */
        export interface ScriptParsedEvent {
            /**
             * Identifier of the script parsed.
             */
            scriptId: Runtime.ScriptId;
            /**
             * URL or name of the script parsed (if any).
             */
            url: string;
            /**
             * Line offset of the script within the resource with given URL (for script tags).
             */
            startLine: integer;
            /**
             * Column offset of the script within the resource with given URL.
             */
            startColumn: integer;
            /**
             * Last line of the script.
             */
            endLine: integer;
            /**
             * Length of the last line of the script.
             */
            endColumn: integer;
            /**
             * Specifies script creation context.
             */
            executionContextId: Runtime.ExecutionContextId;
            /**
             * Content hash of the script, SHA-256.
             */
            hash: string;
            /**
             * For Wasm modules, the content of the `build_id` custom section. For JavaScript the `debugId` magic comment.
             */
            buildId: string;
            /**
             * Embedder-specific auxiliary data likely matching {isDefault: boolean, type: 'default'|'isolated'|'worker', frameId: string}
             */
            executionContextAuxData?: any;
            /**
             * True, if this script is generated as a result of the live edit operation.
             * @experimental
             */
            isLiveEdit?: boolean;
            /**
             * URL of source map associated with script (if any).
             */
            sourceMapURL?: string;
            /**
             * True, if this script has sourceURL.
             */
            hasSourceURL?: boolean;
            /**
             * True, if this script is ES6 module.
             */
            isModule?: boolean;
            /**
             * This script length.
             */
            length?: integer;
            /**
             * JavaScript top stack frame of where the script parsed event was triggered if available.
             * @experimental
             */
            stackTrace?: Runtime.StackTrace;
            /**
             * If the scriptLanguage is WebAssembly, the code section offset in the module.
             * @experimental
             */
            codeOffset?: integer;
            /**
             * The language of the script.
             * @experimental
             */
            scriptLanguage?: Debugger.ScriptLanguage;
            /**
             * If the scriptLanguage is WebAssembly, the source of debug symbols for the module.
             * @experimental
             */
            debugSymbols?: Debugger.DebugSymbols[];
            /**
             * The name the embedder supplied for this script.
             * @experimental
             */
            embedderName?: string;
            /**
             * The list of set breakpoints in this script if calls to `setBreakpointByUrl`
             * matches this script's URL or hash. Clients that use this list can ignore the
             * `breakpointResolved` event. They are equivalent.
             * @experimental
             */
            resolvedBreakpoints?: ResolvedBreakpoint[];
        }
    }

    /**
     * @experimental
     */
    export namespace HeapProfiler {

        /**
         * Heap snapshot object id.
         */
        export type HeapSnapshotObjectId = string;

        /**
         * Sampling Heap Profile node. Holds callsite information, allocation statistics and child nodes.
         */
        export interface SamplingHeapProfileNode {
            /**
             * Function location.
             */
            callFrame: Runtime.CallFrame;
            /**
             * Allocations size in bytes for the node excluding children.
             */
            selfSize: number;
            /**
             * Node id. Ids are unique across all profiles collected between startSampling and stopSampling.
             */
            id: integer;
            /**
             * Child nodes.
             */
            children: SamplingHeapProfileNode[];
        }

        /**
         * A single sample from a sampling profile.
         */
        export interface SamplingHeapProfileSample {
            /**
             * Allocation size in bytes attributed to the sample.
             */
            size: number;
            /**
             * Id of the corresponding profile tree node.
             */
            nodeId: integer;
            /**
             * Time-ordered sample ordinal number. It is unique across all profiles retrieved
             * between startSampling and stopSampling.
             */
            ordinal: number;
        }

        /**
         * Sampling profile.
         */
        export interface SamplingHeapProfile {
            head: SamplingHeapProfileNode;
            samples: SamplingHeapProfileSample[];
        }

        export interface AddInspectedHeapObjectRequest {
            /**
             * Heap snapshot object id to be accessible by means of $x command line API.
             */
            heapObjectId: HeapSnapshotObjectId;
        }

        export interface GetHeapObjectIdRequest {
            /**
             * Identifier of the object to get heap object id for.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface GetHeapObjectIdResponse {
            /**
             * Id of the heap snapshot object corresponding to the passed remote object id.
             */
            heapSnapshotObjectId: HeapSnapshotObjectId;
        }

        export interface GetObjectByHeapObjectIdRequest {
            objectId: HeapSnapshotObjectId;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
        }

        export interface GetObjectByHeapObjectIdResponse {
            /**
             * Evaluation result.
             */
            result: Runtime.RemoteObject;
        }

        export interface GetSamplingProfileResponse {
            /**
             * Return the sampling profile being collected.
             */
            profile: SamplingHeapProfile;
        }

        export interface StartSamplingRequest {
            /**
             * Average sample interval in bytes. Poisson distribution is used for the intervals. The
             * default value is 32768 bytes.
             */
            samplingInterval?: number;
            /**
             * Maximum stack depth. The default value is 128.
             */
            stackDepth?: number;
            /**
             * By default, the sampling heap profiler reports only objects which are
             * still alive when the profile is returned via getSamplingProfile or
             * stopSampling, which is useful for determining what functions contribute
             * the most to steady-state memory usage. This flag instructs the sampling
             * heap profiler to also include information about objects discarded by
             * major GC, which will show which functions cause large temporary memory
             * usage or long GC pauses.
             */
            includeObjectsCollectedByMajorGC?: boolean;
            /**
             * By default, the sampling heap profiler reports only objects which are
             * still alive when the profile is returned via getSamplingProfile or
             * stopSampling, which is useful for determining what functions contribute
             * the most to steady-state memory usage. This flag instructs the sampling
             * heap profiler to also include information about objects discarded by
             * minor GC, which is useful when tuning a latency-sensitive application
             * for minimal GC activity.
             */
            includeObjectsCollectedByMinorGC?: boolean;
        }

        export interface StartTrackingHeapObjectsRequest {
            trackAllocations?: boolean;
        }

        export interface StopSamplingResponse {
            /**
             * Recorded sampling heap profile.
             */
            profile: SamplingHeapProfile;
        }

        export interface StopTrackingHeapObjectsRequest {
            /**
             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken
             * when the tracking is stopped.
             */
            reportProgress?: boolean;
            /**
             * Deprecated in favor of `exposeInternals`.
             * @deprecated
             */
            treatGlobalObjectsAsRoots?: boolean;
            /**
             * If true, numerical values are included in the snapshot
             */
            captureNumericValue?: boolean;
            /**
             * If true, exposes internals of the snapshot.
             * @experimental
             */
            exposeInternals?: boolean;
        }

        export interface TakeHeapSnapshotRequest {
            /**
             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken.
             */
            reportProgress?: boolean;
            /**
             * If true, a raw snapshot without artificial roots will be generated.
             * Deprecated in favor of `exposeInternals`.
             * @deprecated
             */
            treatGlobalObjectsAsRoots?: boolean;
            /**
             * If true, numerical values are included in the snapshot
             */
            captureNumericValue?: boolean;
            /**
             * If true, exposes internals of the snapshot.
             * @experimental
             */
            exposeInternals?: boolean;
        }

        export interface AddHeapSnapshotChunkEvent {
            chunk: string;
        }

        /**
         * If heap objects tracking has been started then backend may send update for one or more fragments
         */
        export interface HeapStatsUpdateEvent {
            /**
             * An array of triplets. Each triplet describes a fragment. The first integer is the fragment
             * index, the second integer is a total count of objects for the fragment, the third integer is
             * a total size of the objects for the fragment.
             */
            statsUpdate: integer[];
        }

        /**
         * If heap objects tracking has been started then backend regularly sends a current value for last
         * seen object id and corresponding timestamp. If the were changes in the heap since last event
         * then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
         */
        export interface LastSeenObjectIdEvent {
            lastSeenObjectId: integer;
            timestamp: number;
        }

        export interface ReportHeapSnapshotProgressEvent {
            done: integer;
            total: integer;
            finished?: boolean;
        }
    }

    export namespace Profiler {

        /**
         * Profile node. Holds callsite information, execution statistics and child nodes.
         */
        export interface ProfileNode {
            /**
             * Unique id of the node.
             */
            id: integer;
            /**
             * Function location.
             */
            callFrame: Runtime.CallFrame;
            /**
             * Number of samples where this node was on top of the call stack.
             */
            hitCount?: integer;
            /**
             * Child node ids.
             */
            children?: integer[];
            /**
             * The reason of being not optimized. The function may be deoptimized or marked as don't
             * optimize.
             */
            deoptReason?: string;
            /**
             * An array of source position ticks.
             */
            positionTicks?: PositionTickInfo[];
        }

        /**
         * Profile.
         */
        export interface Profile {
            /**
             * The list of profile nodes. First item is the root node.
             */
            nodes: ProfileNode[];
            /**
             * Profiling start timestamp in microseconds.
             */
            startTime: number;
            /**
             * Profiling end timestamp in microseconds.
             */
            endTime: number;
            /**
             * Ids of samples top nodes.
             */
            samples?: integer[];
            /**
             * Time intervals between adjacent samples in microseconds. The first delta is relative to the
             * profile startTime.
             */
            timeDeltas?: integer[];
        }

        /**
         * Specifies a number of samples attributed to a certain source position.
         */
        export interface PositionTickInfo {
            /**
             * Source line number (1-based).
             */
            line: integer;
            /**
             * Number of samples attributed to the source line.
             */
            ticks: integer;
        }

        /**
         * Coverage data for a source range.
         */
        export interface CoverageRange {
            /**
             * JavaScript script source offset for the range start.
             */
            startOffset: integer;
            /**
             * JavaScript script source offset for the range end.
             */
            endOffset: integer;
            /**
             * Collected execution count of the source range.
             */
            count: integer;
        }

        /**
         * Coverage data for a JavaScript function.
         */
        export interface FunctionCoverage {
            /**
             * JavaScript function name.
             */
            functionName: string;
            /**
             * Source ranges inside the function with coverage data.
             */
            ranges: CoverageRange[];
            /**
             * Whether coverage data for this function has block granularity.
             */
            isBlockCoverage: boolean;
        }

        /**
         * Coverage data for a JavaScript script.
         */
        export interface ScriptCoverage {
            /**
             * JavaScript script id.
             */
            scriptId: Runtime.ScriptId;
            /**
             * JavaScript script name or url.
             */
            url: string;
            /**
             * Functions contained in the script that has coverage data.
             */
            functions: FunctionCoverage[];
        }

        export interface GetBestEffortCoverageResponse {
            /**
             * Coverage data for the current isolate.
             */
            result: ScriptCoverage[];
        }

        export interface SetSamplingIntervalRequest {
            /**
             * New sampling interval in microseconds.
             */
            interval: integer;
        }

        export interface StartPreciseCoverageRequest {
            /**
             * Collect accurate call counts beyond simple 'covered' or 'not covered'.
             */
            callCount?: boolean;
            /**
             * Collect block-based coverage.
             */
            detailed?: boolean;
            /**
             * Allow the backend to send updates on its own initiative
             */
            allowTriggeredUpdates?: boolean;
        }

        export interface StartPreciseCoverageResponse {
            /**
             * Monotonically increasing time (in seconds) when the coverage update was taken in the backend.
             */
            timestamp: number;
        }

        export interface StopResponse {
            /**
             * Recorded profile.
             */
            profile: Profile;
        }

        export interface TakePreciseCoverageResponse {
            /**
             * Coverage data for the current isolate.
             */
            result: ScriptCoverage[];
            /**
             * Monotonically increasing time (in seconds) when the coverage update was taken in the backend.
             */
            timestamp: number;
        }

        export interface ConsoleProfileFinishedEvent {
            id: string;
            /**
             * Location of console.profileEnd().
             */
            location: Debugger.Location;
            profile: Profile;
            /**
             * Profile title passed as an argument to console.profile().
             */
            title?: string;
        }

        /**
         * Sent when new profile recording is started using console.profile() call.
         */
        export interface ConsoleProfileStartedEvent {
            id: string;
            /**
             * Location of console.profile().
             */
            location: Debugger.Location;
            /**
             * Profile title passed as an argument to console.profile().
             */
            title?: string;
        }

        /**
         * Reports coverage delta since the last poll (either from an event like this, or from
         * `takePreciseCoverage` for the current isolate. May only be sent if precise code
         * coverage has been started. This event can be trigged by the embedder to, for example,
         * trigger collection of coverage data immediately at a certain point in time.
         * @experimental
         */
        export interface PreciseCoverageDeltaUpdateEvent {
            /**
             * Monotonically increasing time (in seconds) when the coverage update was taken in the backend.
             */
            timestamp: number;
            /**
             * Identifier for distinguishing coverage events.
             */
            occasion: string;
            /**
             * Coverage data for the current isolate.
             */
            result: ScriptCoverage[];
        }
    }

    /**
     * Runtime domain exposes JavaScript runtime by means of remote evaluation and mirror objects.
     * Evaluation results are returned as mirror object that expose object type, string representation
     * and unique identifier that can be used for further object reference. Original objects are
     * maintained in memory unless they are either explicitly released or are released along with the
     * other objects in their object group.
     */
    export namespace Runtime {

        /**
         * Unique script identifier.
         */
        export type ScriptId = string;

        export const enum SerializationOptionsSerialization {
            Deep = 'deep',
            Json = 'json',
            IdOnly = 'idOnly',
        }

        /**
         * Represents options for serialization. Overrides `generatePreview` and `returnByValue`.
         */
        export interface SerializationOptions {
            serialization: ('deep' | 'json' | 'idOnly');
            /**
             * Deep serialization depth. Default is full depth. Respected only in `deep` serialization mode.
             */
            maxDepth?: integer;
            /**
             * Embedder-specific parameters. For example if connected to V8 in Chrome these control DOM
             * serialization via `maxNodeDepth: integer` and `includeShadowTree: "none" | "open" | "all"`.
             * Values can be only of type string or integer.
             */
            additionalParameters?: any;
        }

        export const enum DeepSerializedValueType {
            Undefined = 'undefined',
            Null = 'null',
            String = 'string',
            Number = 'number',
            Boolean = 'boolean',
            Bigint = 'bigint',
            Regexp = 'regexp',
            Date = 'date',
            Symbol = 'symbol',
            Array = 'array',
            Object = 'object',
            Function = 'function',
            Map = 'map',
            Set = 'set',
            Weakmap = 'weakmap',
            Weakset = 'weakset',
            Error = 'error',
            Proxy = 'proxy',
            Promise = 'promise',
            Typedarray = 'typedarray',
            Arraybuffer = 'arraybuffer',
            Node = 'node',
            Window = 'window',
            Generator = 'generator',
        }

        /**
         * Represents deep serialized value.
         */
        export interface DeepSerializedValue {
            type: ('undefined' | 'null' | 'string' | 'number' | 'boolean' | 'bigint' | 'regexp' | 'date' | 'symbol' | 'array' | 'object' | 'function' | 'map' | 'set' | 'weakmap' | 'weakset' | 'error' | 'proxy' | 'promise' | 'typedarray' | 'arraybuffer' | 'node' | 'window' | 'generator');
            value?: any;
            objectId?: string;
            /**
             * Set if value reference met more then once during serialization. In such
             * case, value is provided only to one of the serialized values. Unique
             * per value in the scope of one CDP call.
             */
            weakLocalObjectReference?: integer;
        }

        /**
         * Unique object identifier.
         */
        export type RemoteObjectId = string;

        /**
         * Primitive value which cannot be JSON-stringified. Includes values `-0`, `NaN`, `Infinity`,
         * `-Infinity`, and bigint literals.
         */
        export type UnserializableValue = string;

        export const enum RemoteObjectType {
            Object = 'object',
            Function = 'function',
            Undefined = 'undefined',
            String = 'string',
            Number = 'number',
            Boolean = 'boolean',
            Symbol = 'symbol',
            Bigint = 'bigint',
        }

        export const enum RemoteObjectSubtype {
            Array = 'array',
            Null = 'null',
            Node = 'node',
            Regexp = 'regexp',
            Date = 'date',
            Map = 'map',
            Set = 'set',
            Weakmap = 'weakmap',
            Weakset = 'weakset',
            Iterator = 'iterator',
            Generator = 'generator',
            Error = 'error',
            Proxy = 'proxy',
            Promise = 'promise',
            Typedarray = 'typedarray',
            Arraybuffer = 'arraybuffer',
            Dataview = 'dataview',
            Webassemblymemory = 'webassemblymemory',
            Wasmvalue = 'wasmvalue',
            Trustedtype = 'trustedtype',
        }

        /**
         * Mirror object referencing original JavaScript object.
         */
        export interface RemoteObject {
            /**
             * Object type.
             */
            type: ('object' | 'function' | 'undefined' | 'string' | 'number' | 'boolean' | 'symbol' | 'bigint');
            /**
             * Object subtype hint. Specified for `object` type values only.
             * NOTE: If you change anything here, make sure to also update
             * `subtype` in `ObjectPreview` and `PropertyPreview` below.
             */
            subtype?: ('array' | 'null' | 'node' | 'regexp' | 'date' | 'map' | 'set' | 'weakmap' | 'weakset' | 'iterator' | 'generator' | 'error' | 'proxy' | 'promise' | 'typedarray' | 'arraybuffer' | 'dataview' | 'webassemblymemory' | 'wasmvalue' | 'trustedtype');
            /**
             * Object class (constructor) name. Specified for `object` type values only.
             */
            className?: string;
            /**
             * Remote object value in case of primitive values or JSON values (if it was requested).
             */
            value?: any;
            /**
             * Primitive value which can not be JSON-stringified does not have `value`, but gets this
             * property.
             */
            unserializableValue?: UnserializableValue;
            /**
             * String representation of the object.
             */
            description?: string;
            /**
             * Deep serialized value.
             * @experimental
             */
            deepSerializedValue?: DeepSerializedValue;
            /**
             * Unique object identifier (for non-primitive values).
             */
            objectId?: RemoteObjectId;
            /**
             * Preview containing abbreviated property values. Specified for `object` type values only.
             * @experimental
             */
            preview?: ObjectPreview;
            /**
             * @experimental
             */
            customPreview?: CustomPreview;
        }

        /**
         * @experimental
         */
        export interface CustomPreview {
            /**
             * The JSON-stringified result of formatter.header(object, config) call.
             * It contains json ML array that represents RemoteObject.
             */
            header: string;
            /**
             * If formatter returns true as a result of formatter.hasBody call then bodyGetterId will
             * contain RemoteObjectId for the function that returns result of formatter.body(object, config) call.
             * The result value is json ML array.
             */
            bodyGetterId?: RemoteObjectId;
        }

        export const enum ObjectPreviewType {
            Object = 'object',
            Function = 'function',
            Undefined = 'undefined',
            String = 'string',
            Number = 'number',
            Boolean = 'boolean',
            Symbol = 'symbol',
            Bigint = 'bigint',
        }

        export const enum ObjectPreviewSubtype {
            Array = 'array',
            Null = 'null',
            Node = 'node',
            Regexp = 'regexp',
            Date = 'date',
            Map = 'map',
            Set = 'set',
            Weakmap = 'weakmap',
            Weakset = 'weakset',
            Iterator = 'iterator',
            Generator = 'generator',
            Error = 'error',
            Proxy = 'proxy',
            Promise = 'promise',
            Typedarray = 'typedarray',
            Arraybuffer = 'arraybuffer',
            Dataview = 'dataview',
            Webassemblymemory = 'webassemblymemory',
            Wasmvalue = 'wasmvalue',
            Trustedtype = 'trustedtype',
        }

        /**
         * Object containing abbreviated remote object value.
         * @experimental
         */
        export interface ObjectPreview {
            /**
             * Object type.
             */
            type: ('object' | 'function' | 'undefined' | 'string' | 'number' | 'boolean' | 'symbol' | 'bigint');
            /**
             * Object subtype hint. Specified for `object` type values only.
             */
            subtype?: ('array' | 'null' | 'node' | 'regexp' | 'date' | 'map' | 'set' | 'weakmap' | 'weakset' | 'iterator' | 'generator' | 'error' | 'proxy' | 'promise' | 'typedarray' | 'arraybuffer' | 'dataview' | 'webassemblymemory' | 'wasmvalue' | 'trustedtype');
            /**
             * String representation of the object.
             */
            description?: string;
            /**
             * True iff some of the properties or entries of the original object did not fit.
             */
            overflow: boolean;
            /**
             * List of the properties.
             */
            properties: PropertyPreview[];
            /**
             * List of the entries. Specified for `map` and `set` subtype values only.
             */
            entries?: EntryPreview[];
        }

        export const enum PropertyPreviewType {
            Object = 'object',
            Function = 'function',
            Undefined = 'undefined',
            String = 'string',
            Number = 'number',
            Boolean = 'boolean',
            Symbol = 'symbol',
            Accessor = 'accessor',
            Bigint = 'bigint',
        }

        export const enum PropertyPreviewSubtype {
            Array = 'array',
            Null = 'null',
            Node = 'node',
            Regexp = 'regexp',
            Date = 'date',
            Map = 'map',
            Set = 'set',
            Weakmap = 'weakmap',
            Weakset = 'weakset',
            Iterator = 'iterator',
            Generator = 'generator',
            Error = 'error',
            Proxy = 'proxy',
            Promise = 'promise',
            Typedarray = 'typedarray',
            Arraybuffer = 'arraybuffer',
            Dataview = 'dataview',
            Webassemblymemory = 'webassemblymemory',
            Wasmvalue = 'wasmvalue',
            Trustedtype = 'trustedtype',
        }

        /**
         * @experimental
         */
        export interface PropertyPreview {
            /**
             * Property name.
             */
            name: string;
            /**
             * Object type. Accessor means that the property itself is an accessor property.
             */
            type: ('object' | 'function' | 'undefined' | 'string' | 'number' | 'boolean' | 'symbol' | 'accessor' | 'bigint');
            /**
             * User-friendly property value string.
             */
            value?: string;
            /**
             * Nested value preview.
             */
            valuePreview?: ObjectPreview;
            /**
             * Object subtype hint. Specified for `object` type values only.
             */
            subtype?: ('array' | 'null' | 'node' | 'regexp' | 'date' | 'map' | 'set' | 'weakmap' | 'weakset' | 'iterator' | 'generator' | 'error' | 'proxy' | 'promise' | 'typedarray' | 'arraybuffer' | 'dataview' | 'webassemblymemory' | 'wasmvalue' | 'trustedtype');
        }

        /**
         * @experimental
         */
        export interface EntryPreview {
            /**
             * Preview of the key. Specified for map-like collection entries.
             */
            key?: ObjectPreview;
            /**
             * Preview of the value.
             */
            value: ObjectPreview;
        }

        /**
         * Object property descriptor.
         */
        export interface PropertyDescriptor {
            /**
             * Property name or symbol description.
             */
            name: string;
            /**
             * The value associated with the property.
             */
            value?: RemoteObject;
            /**
             * True if the value associated with the property may be changed (data descriptors only).
             */
            writable?: boolean;
            /**
             * A function which serves as a getter for the property, or `undefined` if there is no getter
             * (accessor descriptors only).
             */
            get?: RemoteObject;
            /**
             * A function which serves as a setter for the property, or `undefined` if there is no setter
             * (accessor descriptors only).
             */
            set?: RemoteObject;
            /**
             * True if the type of this property descriptor may be changed and if the property may be
             * deleted from the corresponding object.
             */
            configurable: boolean;
            /**
             * True if this property shows up during enumeration of the properties on the corresponding
             * object.
             */
            enumerable: boolean;
            /**
             * True if the result was thrown during the evaluation.
             */
            wasThrown?: boolean;
            /**
             * True if the property is owned for the object.
             */
            isOwn?: boolean;
            /**
             * Property symbol object, if the property is of the `symbol` type.
             */
            symbol?: RemoteObject;
        }

        /**
         * Object internal property descriptor. This property isn't normally visible in JavaScript code.
         */
        export interface InternalPropertyDescriptor {
            /**
             * Conventional property name.
             */
            name: string;
            /**
             * The value associated with the property.
             */
            value?: RemoteObject;
        }

        /**
         * Object private field descriptor.
         * @experimental
         */
        export interface PrivatePropertyDescriptor {
            /**
             * Private property name.
             */
            name: string;
            /**
             * The value associated with the private property.
             */
            value?: RemoteObject;
            /**
             * A function which serves as a getter for the private property,
             * or `undefined` if there is no getter (accessor descriptors only).
             */
            get?: RemoteObject;
            /**
             * A function which serves as a setter for the private property,
             * or `undefined` if there is no setter (accessor descriptors only).
             */
            set?: RemoteObject;
        }

        /**
         * Represents function call argument. Either remote object id `objectId`, primitive `value`,
         * unserializable primitive value or neither of (for undefined) them should be specified.
         */
        export interface CallArgument {
            /**
             * Primitive value or serializable javascript object.
             */
            value?: any;
            /**
             * Primitive value which can not be JSON-stringified.
             */
            unserializableValue?: UnserializableValue;
            /**
             * Remote object handle.
             */
            objectId?: RemoteObjectId;
        }

        /**
         * Id of an execution context.
         */
        export type ExecutionContextId = integer;

        /**
         * Description of an isolated world.
         */
        export interface ExecutionContextDescription {
            /**
             * Unique id of the execution context. It can be used to specify in which execution context
             * script evaluation should be performed.
             */
            id: ExecutionContextId;
            /**
             * Execution context origin.
             */
            origin: string;
            /**
             * Human readable name describing given context.
             */
            name: string;
            /**
             * A system-unique execution context identifier. Unlike the id, this is unique across
             * multiple processes, so can be reliably used to identify specific context while backend
             * performs a cross-process navigation.
             * @experimental
             */
            uniqueId: string;
            /**
             * Embedder-specific auxiliary data likely matching {isDefault: boolean, type: 'default'|'isolated'|'worker', frameId: string}
             */
            auxData?: any;
        }

        /**
         * Detailed information about exception (or error) that was thrown during script compilation or
         * execution.
         */
        export interface ExceptionDetails {
            /**
             * Exception id.
             */
            exceptionId: integer;
            /**
             * Exception text, which should be used together with exception object when available.
             */
            text: string;
            /**
             * Line number of the exception location (0-based).
             */
            lineNumber: integer;
            /**
             * Column number of the exception location (0-based).
             */
            columnNumber: integer;
            /**
             * Script ID of the exception location.
             */
            scriptId?: ScriptId;
            /**
             * URL of the exception location, to be used when the script was not reported.
             */
            url?: string;
            /**
             * JavaScript stack trace if available.
             */
            stackTrace?: StackTrace;
            /**
             * Exception object if available.
             */
            exception?: RemoteObject;
            /**
             * Identifier of the context where exception happened.
             */
            executionContextId?: ExecutionContextId;
            /**
             * Dictionary with entries of meta data that the client associated
             * with this exception, such as information about associated network
             * requests, etc.
             * @experimental
             */
            exceptionMetaData?: any;
        }

        /**
         * Number of milliseconds since epoch.
         */
        export type Timestamp = number;

        /**
         * Number of milliseconds.
         */
        export type TimeDelta = number;

        /**
         * Stack entry for runtime errors and assertions.
         */
        export interface CallFrame {
            /**
             * JavaScript function name.
             */
            functionName: string;
            /**
             * JavaScript script id.
             */
            scriptId: ScriptId;
            /**
             * JavaScript script name or url.
             */
            url: string;
            /**
             * JavaScript script line number (0-based).
             */
            lineNumber: integer;
            /**
             * JavaScript script column number (0-based).
             */
            columnNumber: integer;
        }

        /**
         * Call frames for assertions or error messages.
         */
        export interface StackTrace {
            /**
             * String label of this stack trace. For async traces this may be a name of the function that
             * initiated the async call.
             */
            description?: string;
            /**
             * JavaScript function name.
             */
            callFrames: CallFrame[];
            /**
             * Asynchronous JavaScript stack trace that preceded this stack, if available.
             */
            parent?: StackTrace;
            /**
             * Asynchronous JavaScript stack trace that preceded this stack, if available.
             * @experimental
             */
            parentId?: StackTraceId;
        }

        /**
         * Unique identifier of current debugger.
         * @experimental
         */
        export type UniqueDebuggerId = string;

        /**
         * If `debuggerId` is set stack trace comes from another debugger and can be resolved there. This
         * allows to track cross-debugger calls. See `Runtime.StackTrace` and `Debugger.paused` for usages.
         * @experimental
         */
        export interface StackTraceId {
            id: string;
            debuggerId?: UniqueDebuggerId;
        }

        export interface AwaitPromiseRequest {
            /**
             * Identifier of the promise.
             */
            promiseObjectId: RemoteObjectId;
            /**
             * Whether the result is expected to be a JSON object that should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             */
            generatePreview?: boolean;
        }

        export interface AwaitPromiseResponse {
            /**
             * Promise result. Will contain rejected value if promise was rejected.
             */
            result: RemoteObject;
            /**
             * Exception details if stack strace is available.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface CallFunctionOnRequest {
            /**
             * Declaration of the function to call.
             */
            functionDeclaration: string;
            /**
             * Identifier of the object to call function on. Either objectId or executionContextId should
             * be specified.
             */
            objectId?: RemoteObjectId;
            /**
             * Call arguments. All call arguments must belong to the same JavaScript world as the target
             * object.
             */
            arguments?: CallArgument[];
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Whether the result is expected to be a JSON object which should be sent by value.
             * Can be overriden by `serializationOptions`.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             * @experimental
             */
            generatePreview?: boolean;
            /**
             * Whether execution should be treated as initiated by user in the UI.
             */
            userGesture?: boolean;
            /**
             * Whether execution should `await` for resulting value and return once awaited promise is
             * resolved.
             */
            awaitPromise?: boolean;
            /**
             * Specifies execution context which global object will be used to call function on. Either
             * executionContextId or objectId should be specified.
             */
            executionContextId?: ExecutionContextId;
            /**
             * Symbolic group name that can be used to release multiple objects. If objectGroup is not
             * specified and objectId is, objectGroup will be inherited from object.
             */
            objectGroup?: string;
            /**
             * Whether to throw an exception if side effect cannot be ruled out during evaluation.
             * @experimental
             */
            throwOnSideEffect?: boolean;
            /**
             * An alternative way to specify the execution context to call function on.
             * Compared to contextId that may be reused across processes, this is guaranteed to be
             * system-unique, so it can be used to prevent accidental function call
             * in context different than intended (e.g. as a result of navigation across process
             * boundaries).
             * This is mutually exclusive with `executionContextId`.
             * @experimental
             */
            uniqueContextId?: string;
            /**
             * Specifies the result serialization. If provided, overrides
             * `generatePreview` and `returnByValue`.
             * @experimental
             */
            serializationOptions?: SerializationOptions;
        }

        export interface CallFunctionOnResponse {
            /**
             * Call result.
             */
            result: RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface CompileScriptRequest {
            /**
             * Expression to compile.
             */
            expression: string;
            /**
             * Source url to be set for the script.
             */
            sourceURL: string;
            /**
             * Specifies whether the compiled script should be persisted.
             */
            persistScript: boolean;
            /**
             * Specifies in which execution context to perform script run. If the parameter is omitted the
             * evaluation will be performed in the context of the inspected page.
             */
            executionContextId?: ExecutionContextId;
        }

        export interface CompileScriptResponse {
            /**
             * Id of the script.
             */
            scriptId?: ScriptId;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface EvaluateRequest {
            /**
             * Expression to evaluate.
             */
            expression: string;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
            /**
             * Determines whether Command Line API should be available during the evaluation.
             */
            includeCommandLineAPI?: boolean;
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Specifies in which execution context to perform evaluation. If the parameter is omitted the
             * evaluation will be performed in the context of the inspected page.
             * This is mutually exclusive with `uniqueContextId`, which offers an
             * alternative way to identify the execution context that is more reliable
             * in a multi-process environment.
             */
            contextId?: ExecutionContextId;
            /**
             * Whether the result is expected to be a JSON object that should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             * @experimental
             */
            generatePreview?: boolean;
            /**
             * Whether execution should be treated as initiated by user in the UI.
             */
            userGesture?: boolean;
            /**
             * Whether execution should `await` for resulting value and return once awaited promise is
             * resolved.
             */
            awaitPromise?: boolean;
            /**
             * Whether to throw an exception if side effect cannot be ruled out during evaluation.
             * This implies `disableBreaks` below.
             * @experimental
             */
            throwOnSideEffect?: boolean;
            /**
             * Terminate execution after timing out (number of milliseconds).
             * @experimental
             */
            timeout?: TimeDelta;
            /**
             * Disable breakpoints during execution.
             * @experimental
             */
            disableBreaks?: boolean;
            /**
             * Setting this flag to true enables `let` re-declaration and top-level `await`.
             * Note that `let` variables can only be re-declared if they originate from
             * `replMode` themselves.
             * @experimental
             */
            replMode?: boolean;
            /**
             * The Content Security Policy (CSP) for the target might block 'unsafe-eval'
             * which includes eval(), Function(), setTimeout() and setInterval()
             * when called with non-callable arguments. This flag bypasses CSP for this
             * evaluation and allows unsafe-eval. Defaults to true.
             * @experimental
             */
            allowUnsafeEvalBlockedByCSP?: boolean;
            /**
             * An alternative way to specify the execution context to evaluate in.
             * Compared to contextId that may be reused across processes, this is guaranteed to be
             * system-unique, so it can be used to prevent accidental evaluation of the expression
             * in context different than intended (e.g. as a result of navigation across process
             * boundaries).
             * This is mutually exclusive with `contextId`.
             * @experimental
             */
            uniqueContextId?: string;
            /**
             * Specifies the result serialization. If provided, overrides
             * `generatePreview` and `returnByValue`.
             * @experimental
             */
            serializationOptions?: SerializationOptions;
        }

        export interface EvaluateResponse {
            /**
             * Evaluation result.
             */
            result: RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface GetIsolateIdResponse {
            /**
             * The isolate id.
             */
            id: string;
        }

        export interface GetHeapUsageResponse {
            /**
             * Used JavaScript heap size in bytes.
             */
            usedSize: number;
            /**
             * Allocated JavaScript heap size in bytes.
             */
            totalSize: number;
            /**
             * Used size in bytes in the embedder's garbage-collected heap.
             */
            embedderHeapUsedSize: number;
            /**
             * Size in bytes of backing storage for array buffers and external strings.
             */
            backingStorageSize: number;
        }

        export interface GetPropertiesRequest {
            /**
             * Identifier of the object to return properties for.
             */
            objectId: RemoteObjectId;
            /**
             * If true, returns properties belonging only to the element itself, not to its prototype
             * chain.
             */
            ownProperties?: boolean;
            /**
             * If true, returns accessor properties (with getter/setter) only; internal properties are not
             * returned either.
             * @experimental
             */
            accessorPropertiesOnly?: boolean;
            /**
             * Whether preview should be generated for the results.
             * @experimental
             */
            generatePreview?: boolean;
            /**
             * If true, returns non-indexed properties only.
             * @experimental
             */
            nonIndexedPropertiesOnly?: boolean;
        }

        export interface GetPropertiesResponse {
            /**
             * Object properties.
             */
            result: PropertyDescriptor[];
            /**
             * Internal object properties (only of the element itself).
             */
            internalProperties?: InternalPropertyDescriptor[];
            /**
             * Object private properties.
             * @experimental
             */
            privateProperties?: PrivatePropertyDescriptor[];
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface GlobalLexicalScopeNamesRequest {
            /**
             * Specifies in which execution context to lookup global scope variables.
             */
            executionContextId?: ExecutionContextId;
        }

        export interface GlobalLexicalScopeNamesResponse {
            names: string[];
        }

        export interface QueryObjectsRequest {
            /**
             * Identifier of the prototype to return objects for.
             */
            prototypeObjectId: RemoteObjectId;
            /**
             * Symbolic group name that can be used to release the results.
             */
            objectGroup?: string;
        }

        export interface QueryObjectsResponse {
            /**
             * Array with objects.
             */
            objects: RemoteObject;
        }

        export interface ReleaseObjectRequest {
            /**
             * Identifier of the object to release.
             */
            objectId: RemoteObjectId;
        }

        export interface ReleaseObjectGroupRequest {
            /**
             * Symbolic object group name.
             */
            objectGroup: string;
        }

        export interface RunScriptRequest {
            /**
             * Id of the script to run.
             */
            scriptId: ScriptId;
            /**
             * Specifies in which execution context to perform script run. If the parameter is omitted the
             * evaluation will be performed in the context of the inspected page.
             */
            executionContextId?: ExecutionContextId;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
            /**
             * In silent mode exceptions thrown during evaluation are not reported and do not pause
             * execution. Overrides `setPauseOnException` state.
             */
            silent?: boolean;
            /**
             * Determines whether Command Line API should be available during the evaluation.
             */
            includeCommandLineAPI?: boolean;
            /**
             * Whether the result is expected to be a JSON object which should be sent by value.
             */
            returnByValue?: boolean;
            /**
             * Whether preview should be generated for the result.
             */
            generatePreview?: boolean;
            /**
             * Whether execution should `await` for resulting value and return once awaited promise is
             * resolved.
             */
            awaitPromise?: boolean;
        }

        export interface RunScriptResponse {
            /**
             * Run result.
             */
            result: RemoteObject;
            /**
             * Exception details.
             */
            exceptionDetails?: ExceptionDetails;
        }

        export interface SetAsyncCallStackDepthRequest {
            /**
             * Maximum depth of async call stacks. Setting to `0` will effectively disable collecting async
             * call stacks (default).
             */
            maxDepth: integer;
        }

        export interface SetCustomObjectFormatterEnabledRequest {
            enabled: boolean;
        }

        export interface SetMaxCallStackSizeToCaptureRequest {
            size: integer;
        }

        export interface AddBindingRequest {
            name: string;
            /**
             * If specified, the binding would only be exposed to the specified
             * execution context. If omitted and `executionContextName` is not set,
             * the binding is exposed to all execution contexts of the target.
             * This parameter is mutually exclusive with `executionContextName`.
             * Deprecated in favor of `executionContextName` due to an unclear use case
             * and bugs in implementation (crbug.com/1169639). `executionContextId` will be
             * removed in the future.
             * @deprecated
             * @experimental
             */
            executionContextId?: ExecutionContextId;
            /**
             * If specified, the binding is exposed to the executionContext with
             * matching name, even for contexts created after the binding is added.
             * See also `ExecutionContext.name` and `worldName` parameter to
             * `Page.addScriptToEvaluateOnNewDocument`.
             * This parameter is mutually exclusive with `executionContextId`.
             */
            executionContextName?: string;
        }

        export interface RemoveBindingRequest {
            name: string;
        }

        export interface GetExceptionDetailsRequest {
            /**
             * The error object for which to resolve the exception details.
             */
            errorObjectId: RemoteObjectId;
        }

        export interface GetExceptionDetailsResponse {
            exceptionDetails?: ExceptionDetails;
        }

        /**
         * Notification is issued every time when binding is called.
         * @experimental
         */
        export interface BindingCalledEvent {
            name: string;
            payload: string;
            /**
             * Identifier of the context where the call was made.
             */
            executionContextId: ExecutionContextId;
        }

        export const enum ConsoleAPICalledEventType {
            Log = 'log',
            Debug = 'debug',
            Info = 'info',
            Error = 'error',
            Warning = 'warning',
            Dir = 'dir',
            DirXML = 'dirxml',
            Table = 'table',
            Trace = 'trace',
            Clear = 'clear',
            StartGroup = 'startGroup',
            StartGroupCollapsed = 'startGroupCollapsed',
            EndGroup = 'endGroup',
            Assert = 'assert',
            Profile = 'profile',
            ProfileEnd = 'profileEnd',
            Count = 'count',
            TimeEnd = 'timeEnd',
        }

        /**
         * Issued when console API was called.
         */
        export interface ConsoleAPICalledEvent {
            /**
             * Type of the call.
             */
            type: ('log' | 'debug' | 'info' | 'error' | 'warning' | 'dir' | 'dirxml' | 'table' | 'trace' | 'clear' | 'startGroup' | 'startGroupCollapsed' | 'endGroup' | 'assert' | 'profile' | 'profileEnd' | 'count' | 'timeEnd');
            /**
             * Call arguments.
             */
            args: RemoteObject[];
            /**
             * Identifier of the context where the call was made.
             */
            executionContextId: ExecutionContextId;
            /**
             * Call timestamp.
             */
            timestamp: Timestamp;
            /**
             * Stack trace captured when the call was made. The async stack chain is automatically reported for
             * the following call types: `assert`, `error`, `trace`, `warning`. For other types the async call
             * chain can be retrieved using `Debugger.getStackTrace` and `stackTrace.parentId` field.
             */
            stackTrace?: StackTrace;
            /**
             * Console context descriptor for calls on non-default console context (not console.*):
             * 'anonymous#unique-logger-id' for call on unnamed context, 'name#unique-logger-id' for call
             * on named context.
             * @experimental
             */
            context?: string;
        }

        /**
         * Issued when unhandled exception was revoked.
         */
        export interface ExceptionRevokedEvent {
            /**
             * Reason describing why exception was revoked.
             */
            reason: string;
            /**
             * The id of revoked exception, as reported in `exceptionThrown`.
             */
            exceptionId: integer;
        }

        /**
         * Issued when exception was thrown and unhandled.
         */
        export interface ExceptionThrownEvent {
            /**
             * Timestamp of the exception.
             */
            timestamp: Timestamp;
            exceptionDetails: ExceptionDetails;
        }

        /**
         * Issued when new execution context is created.
         */
        export interface ExecutionContextCreatedEvent {
            /**
             * A newly created execution context.
             */
            context: ExecutionContextDescription;
        }

        /**
         * Issued when execution context is destroyed.
         */
        export interface ExecutionContextDestroyedEvent {
            /**
             * Id of the destroyed context
             * @deprecated
             */
            executionContextId: ExecutionContextId;
            /**
             * Unique Id of the destroyed context
             * @experimental
             */
            executionContextUniqueId: string;
        }

        /**
         * Issued when object should be inspected (for example, as a result of inspect() command line API
         * call).
         */
        export interface InspectRequestedEvent {
            object: RemoteObject;
            hints: any;
            /**
             * Identifier of the context where the call was made.
             * @experimental
             */
            executionContextId?: ExecutionContextId;
        }
    }

    /**
     * This domain is deprecated.
     * @deprecated
     */
    export namespace Schema {

        /**
         * Description of the protocol domain.
         */
        export interface Domain {
            /**
             * Domain name.
             */
            name: string;
            /**
             * Domain version.
             */
            version: string;
        }

        export interface GetDomainsResponse {
            /**
             * List of supported domains.
             */
            domains: Domain[];
        }
    }

    /**
     * @experimental
     */
    export namespace Accessibility {

        /**
         * Unique accessibility node identifier.
         */
        export type AXNodeId = string;

        /**
         * Enum of possible property types.
         */
        export type AXValueType = ('boolean' | 'tristate' | 'booleanOrUndefined' | 'idref' | 'idrefList' | 'integer' | 'node' | 'nodeList' | 'number' | 'string' | 'computedString' | 'token' | 'tokenList' | 'domRelation' | 'role' | 'internalRole' | 'valueUndefined');

        /**
         * Enum of possible property sources.
         */
        export type AXValueSourceType = ('attribute' | 'implicit' | 'style' | 'contents' | 'placeholder' | 'relatedElement');

        /**
         * Enum of possible native property sources (as a subtype of a particular AXValueSourceType).
         */
        export type AXValueNativeSourceType = ('description' | 'figcaption' | 'label' | 'labelfor' | 'labelwrapped' | 'legend' | 'rubyannotation' | 'tablecaption' | 'title' | 'other');

        /**
         * A single source for a computed AX property.
         */
        export interface AXValueSource {
            /**
             * What type of source this is.
             */
            type: AXValueSourceType;
            /**
             * The value of this property source.
             */
            value?: AXValue;
            /**
             * The name of the relevant attribute, if any.
             */
            attribute?: string;
            /**
             * The value of the relevant attribute, if any.
             */
            attributeValue?: AXValue;
            /**
             * Whether this source is superseded by a higher priority source.
             */
            superseded?: boolean;
            /**
             * The native markup source for this value, e.g. a `<label>` element.
             */
            nativeSource?: AXValueNativeSourceType;
            /**
             * The value, such as a node or node list, of the native source.
             */
            nativeSourceValue?: AXValue;
            /**
             * Whether the value for this property is invalid.
             */
            invalid?: boolean;
            /**
             * Reason for the value being invalid, if it is.
             */
            invalidReason?: string;
        }

        export interface AXRelatedNode {
            /**
             * The BackendNodeId of the related DOM node.
             */
            backendDOMNodeId: DOM.BackendNodeId;
            /**
             * The IDRef value provided, if any.
             */
            idref?: string;
            /**
             * The text alternative of this node in the current context.
             */
            text?: string;
        }

        export interface AXProperty {
            /**
             * The name of this property.
             */
            name: AXPropertyName;
            /**
             * The value of this property.
             */
            value: AXValue;
        }

        /**
         * A single computed AX property.
         */
        export interface AXValue {
            /**
             * The type of this value.
             */
            type: AXValueType;
            /**
             * The computed value of this property.
             */
            value?: any;
            /**
             * One or more related nodes, if applicable.
             */
            relatedNodes?: AXRelatedNode[];
            /**
             * The sources which contributed to the computation of this property.
             */
            sources?: AXValueSource[];
        }

        /**
         * Values of AXProperty name:
         * - from 'busy' to 'roledescription': states which apply to every AX node
         * - from 'live' to 'root': attributes which apply to nodes in live regions
         * - from 'autocomplete' to 'valuetext': attributes which apply to widgets
         * - from 'checked' to 'selected': states which apply to widgets
         * - from 'activedescendant' to 'owns': relationships between elements other than parent/child/sibling
         * - from 'activeFullscreenElement' to 'uninteresting': reasons why this noode is hidden
         */
        export type AXPropertyName = ('actions' | 'busy' | 'disabled' | 'editable' | 'focusable' | 'focused' | 'hidden' | 'hiddenRoot' | 'invalid' | 'keyshortcuts' | 'settable' | 'roledescription' | 'live' | 'atomic' | 'relevant' | 'root' | 'autocomplete' | 'hasPopup' | 'level' | 'multiselectable' | 'orientation' | 'multiline' | 'readonly' | 'required' | 'valuemin' | 'valuemax' | 'valuetext' | 'checked' | 'expanded' | 'modal' | 'pressed' | 'selected' | 'activedescendant' | 'controls' | 'describedby' | 'details' | 'errormessage' | 'flowto' | 'labelledby' | 'owns' | 'url' | 'activeFullscreenElement' | 'activeModalDialog' | 'activeAriaModalDialog' | 'ariaHiddenElement' | 'ariaHiddenSubtree' | 'emptyAlt' | 'emptyText' | 'inertElement' | 'inertSubtree' | 'labelContainer' | 'labelFor' | 'notRendered' | 'notVisible' | 'presentationalRole' | 'probablyPresentational' | 'inactiveCarouselTabContent' | 'uninteresting');

        /**
         * A node in the accessibility tree.
         */
        export interface AXNode {
            /**
             * Unique identifier for this node.
             */
            nodeId: AXNodeId;
            /**
             * Whether this node is ignored for accessibility
             */
            ignored: boolean;
            /**
             * Collection of reasons why this node is hidden.
             */
            ignoredReasons?: AXProperty[];
            /**
             * This `Node`'s role, whether explicit or implicit.
             */
            role?: AXValue;
            /**
             * This `Node`'s Chrome raw role.
             */
            chromeRole?: AXValue;
            /**
             * The accessible name for this `Node`.
             */
            name?: AXValue;
            /**
             * The accessible description for this `Node`.
             */
            description?: AXValue;
            /**
             * The value for this `Node`.
             */
            value?: AXValue;
            /**
             * All other properties
             */
            properties?: AXProperty[];
            /**
             * ID for this node's parent.
             */
            parentId?: AXNodeId;
            /**
             * IDs for each of this node's child nodes.
             */
            childIds?: AXNodeId[];
            /**
             * The backend ID for the associated DOM node, if any.
             */
            backendDOMNodeId?: DOM.BackendNodeId;
            /**
             * The frame ID for the frame associated with this nodes document.
             */
            frameId?: Page.FrameId;
        }

        export interface GetPartialAXTreeRequest {
            /**
             * Identifier of the node to get the partial accessibility tree for.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node to get the partial accessibility tree for.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node wrapper to get the partial accessibility tree for.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * Whether to fetch this node's ancestors, siblings and children. Defaults to true.
             */
            fetchRelatives?: boolean;
        }

        export interface GetPartialAXTreeResponse {
            /**
             * The `Accessibility.AXNode` for this DOM node, if it exists, plus its ancestors, siblings and
             * children, if requested.
             */
            nodes: AXNode[];
        }

        export interface GetFullAXTreeRequest {
            /**
             * The maximum depth at which descendants of the root node should be retrieved.
             * If omitted, the full tree is returned.
             */
            depth?: integer;
            /**
             * The frame for whose document the AX tree should be retrieved.
             * If omitted, the root frame is used.
             */
            frameId?: Page.FrameId;
        }

        export interface GetFullAXTreeResponse {
            nodes: AXNode[];
        }

        export interface GetRootAXNodeRequest {
            /**
             * The frame in whose document the node resides.
             * If omitted, the root frame is used.
             */
            frameId?: Page.FrameId;
        }

        export interface GetRootAXNodeResponse {
            node: AXNode;
        }

        export interface GetAXNodeAndAncestorsRequest {
            /**
             * Identifier of the node to get.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node to get.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node wrapper to get.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetAXNodeAndAncestorsResponse {
            nodes: AXNode[];
        }

        export interface GetChildAXNodesRequest {
            id: AXNodeId;
            /**
             * The frame in whose document the node resides.
             * If omitted, the root frame is used.
             */
            frameId?: Page.FrameId;
        }

        export interface GetChildAXNodesResponse {
            nodes: AXNode[];
        }

        export interface QueryAXTreeRequest {
            /**
             * Identifier of the node for the root to query.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node for the root to query.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node wrapper for the root to query.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * Find nodes with this computed name.
             */
            accessibleName?: string;
            /**
             * Find nodes with this computed role.
             */
            role?: string;
        }

        export interface QueryAXTreeResponse {
            /**
             * A list of `Accessibility.AXNode` matching the specified attributes,
             * including nodes that are ignored for accessibility.
             */
            nodes: AXNode[];
        }

        /**
         * The loadComplete event mirrors the load complete event sent by the browser to assistive
         * technology when the web page has finished loading.
         * @experimental
         */
        export interface LoadCompleteEvent {
            /**
             * New document root node.
             */
            root: AXNode;
        }

        /**
         * The nodesUpdated event is sent every time a previously requested node has changed the in tree.
         * @experimental
         */
        export interface NodesUpdatedEvent {
            /**
             * Updated node data.
             */
            nodes: AXNode[];
        }
    }

    /**
     * @experimental
     */
    export namespace Animation {

        export const enum AnimationType {
            CSSTransition = 'CSSTransition',
            CSSAnimation = 'CSSAnimation',
            WebAnimation = 'WebAnimation',
        }

        /**
         * Animation instance.
         */
        export interface Animation {
            /**
             * `Animation`'s id.
             */
            id: string;
            /**
             * `Animation`'s name.
             */
            name: string;
            /**
             * `Animation`'s internal paused state.
             */
            pausedState: boolean;
            /**
             * `Animation`'s play state.
             */
            playState: string;
            /**
             * `Animation`'s playback rate.
             */
            playbackRate: number;
            /**
             * `Animation`'s start time.
             * Milliseconds for time based animations and
             * percentage [0 - 100] for scroll driven animations
             * (i.e. when viewOrScrollTimeline exists).
             */
            startTime: number;
            /**
             * `Animation`'s current time.
             */
            currentTime: number;
            /**
             * Animation type of `Animation`.
             */
            type: ('CSSTransition' | 'CSSAnimation' | 'WebAnimation');
            /**
             * `Animation`'s source animation node.
             */
            source?: AnimationEffect;
            /**
             * A unique ID for `Animation` representing the sources that triggered this CSS
             * animation/transition.
             */
            cssId?: string;
            /**
             * View or scroll timeline
             */
            viewOrScrollTimeline?: ViewOrScrollTimeline;
        }

        /**
         * Timeline instance
         */
        export interface ViewOrScrollTimeline {
            /**
             * Scroll container node
             */
            sourceNodeId?: DOM.BackendNodeId;
            /**
             * Represents the starting scroll position of the timeline
             * as a length offset in pixels from scroll origin.
             */
            startOffset?: number;
            /**
             * Represents the ending scroll position of the timeline
             * as a length offset in pixels from scroll origin.
             */
            endOffset?: number;
            /**
             * The element whose principal box's visibility in the
             * scrollport defined the progress of the timeline.
             * Does not exist for animations with ScrollTimeline
             */
            subjectNodeId?: DOM.BackendNodeId;
            /**
             * Orientation of the scroll
             */
            axis: DOM.ScrollOrientation;
        }

        /**
         * AnimationEffect instance
         */
        export interface AnimationEffect {
            /**
             * `AnimationEffect`'s delay.
             */
            delay: number;
            /**
             * `AnimationEffect`'s end delay.
             */
            endDelay: number;
            /**
             * `AnimationEffect`'s iteration start.
             */
            iterationStart: number;
            /**
             * `AnimationEffect`'s iterations.
             */
            iterations: number;
            /**
             * `AnimationEffect`'s iteration duration.
             * Milliseconds for time based animations and
             * percentage [0 - 100] for scroll driven animations
             * (i.e. when viewOrScrollTimeline exists).
             */
            duration: number;
            /**
             * `AnimationEffect`'s playback direction.
             */
            direction: string;
            /**
             * `AnimationEffect`'s fill mode.
             */
            fill: string;
            /**
             * `AnimationEffect`'s target node.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * `AnimationEffect`'s keyframes.
             */
            keyframesRule?: KeyframesRule;
            /**
             * `AnimationEffect`'s timing function.
             */
            easing: string;
        }

        /**
         * Keyframes Rule
         */
        export interface KeyframesRule {
            /**
             * CSS keyframed animation's name.
             */
            name?: string;
            /**
             * List of animation keyframes.
             */
            keyframes: KeyframeStyle[];
        }

        /**
         * Keyframe Style
         */
        export interface KeyframeStyle {
            /**
             * Keyframe's time offset.
             */
            offset: string;
            /**
             * `AnimationEffect`'s timing function.
             */
            easing: string;
        }

        export interface GetCurrentTimeRequest {
            /**
             * Id of animation.
             */
            id: string;
        }

        export interface GetCurrentTimeResponse {
            /**
             * Current time of the page.
             */
            currentTime: number;
        }

        export interface GetPlaybackRateResponse {
            /**
             * Playback rate for animations on page.
             */
            playbackRate: number;
        }

        export interface ReleaseAnimationsRequest {
            /**
             * List of animation ids to seek.
             */
            animations: string[];
        }

        export interface ResolveAnimationRequest {
            /**
             * Animation id.
             */
            animationId: string;
        }

        export interface ResolveAnimationResponse {
            /**
             * Corresponding remote object.
             */
            remoteObject: Runtime.RemoteObject;
        }

        export interface SeekAnimationsRequest {
            /**
             * List of animation ids to seek.
             */
            animations: string[];
            /**
             * Set the current time of each animation.
             */
            currentTime: number;
        }

        export interface SetPausedRequest {
            /**
             * Animations to set the pause state of.
             */
            animations: string[];
            /**
             * Paused state to set to.
             */
            paused: boolean;
        }

        export interface SetPlaybackRateRequest {
            /**
             * Playback rate for animations on page
             */
            playbackRate: number;
        }

        export interface SetTimingRequest {
            /**
             * Animation id.
             */
            animationId: string;
            /**
             * Duration of the animation.
             */
            duration: number;
            /**
             * Delay of the animation.
             */
            delay: number;
        }

        /**
         * Event for when an animation has been cancelled.
         */
        export interface AnimationCanceledEvent {
            /**
             * Id of the animation that was cancelled.
             */
            id: string;
        }

        /**
         * Event for each animation that has been created.
         */
        export interface AnimationCreatedEvent {
            /**
             * Id of the animation that was created.
             */
            id: string;
        }

        /**
         * Event for animation that has been started.
         */
        export interface AnimationStartedEvent {
            /**
             * Animation that was started.
             */
            animation: Animation;
        }

        /**
         * Event for animation that has been updated.
         */
        export interface AnimationUpdatedEvent {
            /**
             * Animation that was updated.
             */
            animation: Animation;
        }
    }

    /**
     * Audits domain allows investigation of page violations and possible improvements.
     * @experimental
     */
    export namespace Audits {

        /**
         * Information about a cookie that is affected by an inspector issue.
         */
        export interface AffectedCookie {
            /**
             * The following three properties uniquely identify a cookie
             */
            name: string;
            path: string;
            domain: string;
        }

        /**
         * Information about a request that is affected by an inspector issue.
         */
        export interface AffectedRequest {
            /**
             * The unique request id.
             */
            requestId?: Network.RequestId;
            url: string;
        }

        /**
         * Information about the frame affected by an inspector issue.
         */
        export interface AffectedFrame {
            frameId: Page.FrameId;
        }

        export type CookieExclusionReason = ('ExcludeSameSiteUnspecifiedTreatedAsLax' | 'ExcludeSameSiteNoneInsecure' | 'ExcludeSameSiteLax' | 'ExcludeSameSiteStrict' | 'ExcludeInvalidSameParty' | 'ExcludeSamePartyCrossPartyContext' | 'ExcludeDomainNonASCII' | 'ExcludeThirdPartyCookieBlockedInFirstPartySet' | 'ExcludeThirdPartyPhaseout' | 'ExcludePortMismatch' | 'ExcludeSchemeMismatch');

        export type CookieWarningReason = ('WarnSameSiteUnspecifiedCrossSiteContext' | 'WarnSameSiteNoneInsecure' | 'WarnSameSiteUnspecifiedLaxAllowUnsafe' | 'WarnSameSiteStrictLaxDowngradeStrict' | 'WarnSameSiteStrictCrossDowngradeStrict' | 'WarnSameSiteStrictCrossDowngradeLax' | 'WarnSameSiteLaxCrossDowngradeStrict' | 'WarnSameSiteLaxCrossDowngradeLax' | 'WarnAttributeValueExceedsMaxSize' | 'WarnDomainNonASCII' | 'WarnThirdPartyPhaseout' | 'WarnCrossSiteRedirectDowngradeChangesInclusion' | 'WarnDeprecationTrialMetadata' | 'WarnThirdPartyCookieHeuristic');

        export type CookieOperation = ('SetCookie' | 'ReadCookie');

        /**
         * Represents the category of insight that a cookie issue falls under.
         */
        export type InsightType = ('GitHubResource' | 'GracePeriod' | 'Heuristics');

        /**
         * Information about the suggested solution to a cookie issue.
         */
        export interface CookieIssueInsight {
            type: InsightType;
            /**
             * Link to table entry in third-party cookie migration readiness list.
             */
            tableEntryUrl?: string;
        }

        /**
         * This information is currently necessary, as the front-end has a difficult
         * time finding a specific cookie. With this, we can convey specific error
         * information without the cookie.
         */
        export interface CookieIssueDetails {
            /**
             * If AffectedCookie is not set then rawCookieLine contains the raw
             * Set-Cookie header string. This hints at a problem where the
             * cookie line is syntactically or semantically malformed in a way
             * that no valid cookie could be created.
             */
            cookie?: AffectedCookie;
            rawCookieLine?: string;
            cookieWarningReasons: CookieWarningReason[];
            cookieExclusionReasons: CookieExclusionReason[];
            /**
             * Optionally identifies the site-for-cookies and the cookie url, which
             * may be used by the front-end as additional context.
             */
            operation: CookieOperation;
            siteForCookies?: string;
            cookieUrl?: string;
            request?: AffectedRequest;
            /**
             * The recommended solution to the issue.
             */
            insight?: CookieIssueInsight;
        }

        export type MixedContentResolutionStatus = ('MixedContentBlocked' | 'MixedContentAutomaticallyUpgraded' | 'MixedContentWarning');

        export type MixedContentResourceType = ('AttributionSrc' | 'Audio' | 'Beacon' | 'CSPReport' | 'Download' | 'EventSource' | 'Favicon' | 'Font' | 'Form' | 'Frame' | 'Image' | 'Import' | 'JSON' | 'Manifest' | 'Ping' | 'PluginData' | 'PluginResource' | 'Prefetch' | 'Resource' | 'Script' | 'ServiceWorker' | 'SharedWorker' | 'SpeculationRules' | 'Stylesheet' | 'Track' | 'Video' | 'Worker' | 'XMLHttpRequest' | 'XSLT');

        export interface MixedContentIssueDetails {
            /**
             * The type of resource causing the mixed content issue (css, js, iframe,
             * form,...). Marked as optional because it is mapped to from
             * blink::mojom::RequestContextType, which will be replaced
             * by network::mojom::RequestDestination
             */
            resourceType?: MixedContentResourceType;
            /**
             * The way the mixed content issue is being resolved.
             */
            resolutionStatus: MixedContentResolutionStatus;
            /**
             * The unsafe http url causing the mixed content issue.
             */
            insecureURL: string;
            /**
             * The url responsible for the call to an unsafe url.
             */
            mainResourceURL: string;
            /**
             * The mixed content request.
             * Does not always exist (e.g. for unsafe form submission urls).
             */
            request?: AffectedRequest;
            /**
             * Optional because not every mixed content issue is necessarily linked to a frame.
             */
            frame?: AffectedFrame;
        }

        /**
         * Enum indicating the reason a response has been blocked. These reasons are
         * refinements of the net error BLOCKED_BY_RESPONSE.
         */
        export type BlockedByResponseReason = ('CoepFrameResourceNeedsCoepHeader' | 'CoopSandboxedIFrameCannotNavigateToCoopPage' | 'CorpNotSameOrigin' | 'CorpNotSameOriginAfterDefaultedToSameOriginByCoep' | 'CorpNotSameOriginAfterDefaultedToSameOriginByDip' | 'CorpNotSameOriginAfterDefaultedToSameOriginByCoepAndDip' | 'CorpNotSameSite' | 'SRIMessageSignatureMismatch');

        /**
         * Details for a request that has been blocked with the BLOCKED_BY_RESPONSE
         * code. Currently only used for COEP/COOP, but may be extended to include
         * some CSP errors in the future.
         */
        export interface BlockedByResponseIssueDetails {
            request: AffectedRequest;
            parentFrame?: AffectedFrame;
            blockedFrame?: AffectedFrame;
            reason: BlockedByResponseReason;
        }

        export type HeavyAdResolutionStatus = ('HeavyAdBlocked' | 'HeavyAdWarning');

        export type HeavyAdReason = ('NetworkTotalLimit' | 'CpuTotalLimit' | 'CpuPeakLimit');

        export interface HeavyAdIssueDetails {
            /**
             * The resolution status, either blocking the content or warning.
             */
            resolution: HeavyAdResolutionStatus;
            /**
             * The reason the ad was blocked, total network or cpu or peak cpu.
             */
            reason: HeavyAdReason;
            /**
             * The frame that was blocked.
             */
            frame: AffectedFrame;
        }

        export type ContentSecurityPolicyViolationType = ('kInlineViolation' | 'kEvalViolation' | 'kURLViolation' | 'kSRIViolation' | 'kTrustedTypesSinkViolation' | 'kTrustedTypesPolicyViolation' | 'kWasmEvalViolation');

        export interface SourceCodeLocation {
            scriptId?: Runtime.ScriptId;
            url: string;
            lineNumber: integer;
            columnNumber: integer;
        }

        export interface ContentSecurityPolicyIssueDetails {
            /**
             * The url not included in allowed sources.
             */
            blockedURL?: string;
            /**
             * Specific directive that is violated, causing the CSP issue.
             */
            violatedDirective: string;
            isReportOnly: boolean;
            contentSecurityPolicyViolationType: ContentSecurityPolicyViolationType;
            frameAncestor?: AffectedFrame;
            sourceCodeLocation?: SourceCodeLocation;
            violatingNodeId?: DOM.BackendNodeId;
        }

        export type SharedArrayBufferIssueType = ('TransferIssue' | 'CreationIssue');

        /**
         * Details for a issue arising from an SAB being instantiated in, or
         * transferred to a context that is not cross-origin isolated.
         */
        export interface SharedArrayBufferIssueDetails {
            sourceCodeLocation: SourceCodeLocation;
            isWarning: boolean;
            type: SharedArrayBufferIssueType;
        }

        export interface LowTextContrastIssueDetails {
            violatingNodeId: DOM.BackendNodeId;
            violatingNodeSelector: string;
            contrastRatio: number;
            thresholdAA: number;
            thresholdAAA: number;
            fontSize: string;
            fontWeight: string;
        }

        /**
         * Details for a CORS related issue, e.g. a warning or error related to
         * CORS RFC1918 enforcement.
         */
        export interface CorsIssueDetails {
            corsErrorStatus: Network.CorsErrorStatus;
            isWarning: boolean;
            request: AffectedRequest;
            location?: SourceCodeLocation;
            initiatorOrigin?: string;
            resourceIPAddressSpace?: Network.IPAddressSpace;
            clientSecurityState?: Network.ClientSecurityState;
        }

        export type AttributionReportingIssueType = ('PermissionPolicyDisabled' | 'UntrustworthyReportingOrigin' | 'InsecureContext' | 'InvalidHeader' | 'InvalidRegisterTriggerHeader' | 'SourceAndTriggerHeaders' | 'SourceIgnored' | 'TriggerIgnored' | 'OsSourceIgnored' | 'OsTriggerIgnored' | 'InvalidRegisterOsSourceHeader' | 'InvalidRegisterOsTriggerHeader' | 'WebAndOsHeaders' | 'NoWebOrOsSupport' | 'NavigationRegistrationWithoutTransientUserActivation' | 'InvalidInfoHeader' | 'NoRegisterSourceHeader' | 'NoRegisterTriggerHeader' | 'NoRegisterOsSourceHeader' | 'NoRegisterOsTriggerHeader' | 'NavigationRegistrationUniqueScopeAlreadySet');

        export type SharedDictionaryError = ('UseErrorCrossOriginNoCorsRequest' | 'UseErrorDictionaryLoadFailure' | 'UseErrorMatchingDictionaryNotUsed' | 'UseErrorUnexpectedContentDictionaryHeader' | 'WriteErrorCossOriginNoCorsRequest' | 'WriteErrorDisallowedBySettings' | 'WriteErrorExpiredResponse' | 'WriteErrorFeatureDisabled' | 'WriteErrorInsufficientResources' | 'WriteErrorInvalidMatchField' | 'WriteErrorInvalidStructuredHeader' | 'WriteErrorInvalidTTLField' | 'WriteErrorNavigationRequest' | 'WriteErrorNoMatchField' | 'WriteErrorNonIntegerTTLField' | 'WriteErrorNonListMatchDestField' | 'WriteErrorNonSecureContext' | 'WriteErrorNonStringIdField' | 'WriteErrorNonStringInMatchDestList' | 'WriteErrorNonStringMatchField' | 'WriteErrorNonTokenTypeField' | 'WriteErrorRequestAborted' | 'WriteErrorShuttingDown' | 'WriteErrorTooLongIdField' | 'WriteErrorUnsupportedType');

        export type SRIMessageSignatureError = ('MissingSignatureHeader' | 'MissingSignatureInputHeader' | 'InvalidSignatureHeader' | 'InvalidSignatureInputHeader' | 'SignatureHeaderValueIsNotByteSequence' | 'SignatureHeaderValueIsParameterized' | 'SignatureHeaderValueIsIncorrectLength' | 'SignatureInputHeaderMissingLabel' | 'SignatureInputHeaderValueNotInnerList' | 'SignatureInputHeaderValueMissingComponents' | 'SignatureInputHeaderInvalidComponentType' | 'SignatureInputHeaderInvalidComponentName' | 'SignatureInputHeaderInvalidHeaderComponentParameter' | 'SignatureInputHeaderInvalidDerivedComponentParameter' | 'SignatureInputHeaderKeyIdLength' | 'SignatureInputHeaderInvalidParameter' | 'SignatureInputHeaderMissingRequiredParameters' | 'ValidationFailedSignatureExpired' | 'ValidationFailedInvalidLength' | 'ValidationFailedSignatureMismatch' | 'ValidationFailedIntegrityMismatch');

        export type UnencodedDigestError = ('MalformedDictionary' | 'UnknownAlgorithm' | 'IncorrectDigestType' | 'IncorrectDigestLength');

        /**
         * Details for issues around "Attribution Reporting API" usage.
         * Explainer: https://github.com/WICG/attribution-reporting-api
         */
        export interface AttributionReportingIssueDetails {
            violationType: AttributionReportingIssueType;
            request?: AffectedRequest;
            violatingNodeId?: DOM.BackendNodeId;
            invalidParameter?: string;
        }

        /**
         * Details for issues about documents in Quirks Mode
         * or Limited Quirks Mode that affects page layouting.
         */
        export interface QuirksModeIssueDetails {
            /**
             * If false, it means the document's mode is "quirks"
             * instead of "limited-quirks".
             */
            isLimitedQuirksMode: boolean;
            documentNodeId: DOM.BackendNodeId;
            url: string;
            frameId: Page.FrameId;
            loaderId: Network.LoaderId;
        }

        /**
         * @deprecated
         */
        export interface NavigatorUserAgentIssueDetails {
            url: string;
            location?: SourceCodeLocation;
        }

        export interface SharedDictionaryIssueDetails {
            sharedDictionaryError: SharedDictionaryError;
            request: AffectedRequest;
        }

        export interface SRIMessageSignatureIssueDetails {
            error: SRIMessageSignatureError;
            signatureBase: string;
            integrityAssertions: string[];
            request: AffectedRequest;
        }

        export interface UnencodedDigestIssueDetails {
            error: UnencodedDigestError;
            request: AffectedRequest;
        }

        export type GenericIssueErrorType = ('FormLabelForNameError' | 'FormDuplicateIdForInputError' | 'FormInputWithNoLabelError' | 'FormAutocompleteAttributeEmptyError' | 'FormEmptyIdAndNameAttributesForInputError' | 'FormAriaLabelledByToNonExistingId' | 'FormInputAssignedAutocompleteValueToIdOrNameAttributeError' | 'FormLabelHasNeitherForNorNestedInput' | 'FormLabelForMatchesNonExistingIdError' | 'FormInputHasWrongButWellIntendedAutocompleteValueError' | 'ResponseWasBlockedByORB');

        /**
         * Depending on the concrete errorType, different properties are set.
         */
        export interface GenericIssueDetails {
            /**
             * Issues with the same errorType are aggregated in the frontend.
             */
            errorType: GenericIssueErrorType;
            frameId?: Page.FrameId;
            violatingNodeId?: DOM.BackendNodeId;
            violatingNodeAttribute?: string;
            request?: AffectedRequest;
        }

        /**
         * This issue tracks information needed to print a deprecation message.
         * https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/core/frame/third_party/blink/renderer/core/frame/deprecation/README.md
         */
        export interface DeprecationIssueDetails {
            affectedFrame?: AffectedFrame;
            sourceCodeLocation: SourceCodeLocation;
            /**
             * One of the deprecation names from third_party/blink/renderer/core/frame/deprecation/deprecation.json5
             */
            type: string;
        }

        /**
         * This issue warns about sites in the redirect chain of a finished navigation
         * that may be flagged as trackers and have their state cleared if they don't
         * receive a user interaction. Note that in this context 'site' means eTLD+1.
         * For example, if the URL `https://example.test:80/bounce` was in the
         * redirect chain, the site reported would be `example.test`.
         */
        export interface BounceTrackingIssueDetails {
            trackingSites: string[];
        }

        /**
         * This issue warns about third-party sites that are accessing cookies on the
         * current page, and have been permitted due to having a global metadata grant.
         * Note that in this context 'site' means eTLD+1. For example, if the URL
         * `https://example.test:80/web_page` was accessing cookies, the site reported
         * would be `example.test`.
         */
        export interface CookieDeprecationMetadataIssueDetails {
            allowedSites: string[];
            optOutPercentage: number;
            isOptOutTopLevel: boolean;
            operation: CookieOperation;
        }

        export type ClientHintIssueReason = ('MetaTagAllowListInvalidOrigin' | 'MetaTagModifiedHTML');

        export interface FederatedAuthRequestIssueDetails {
            federatedAuthRequestIssueReason: FederatedAuthRequestIssueReason;
        }

        /**
         * Represents the failure reason when a federated authentication reason fails.
         * Should be updated alongside RequestIdTokenStatus in
         * third_party/blink/public/mojom/devtools/inspector_issue.mojom to include
         * all cases except for success.
         */
        export type FederatedAuthRequestIssueReason = ('ShouldEmbargo' | 'TooManyRequests' | 'WellKnownHttpNotFound' | 'WellKnownNoResponse' | 'WellKnownInvalidResponse' | 'WellKnownListEmpty' | 'WellKnownInvalidContentType' | 'ConfigNotInWellKnown' | 'WellKnownTooBig' | 'ConfigHttpNotFound' | 'ConfigNoResponse' | 'ConfigInvalidResponse' | 'ConfigInvalidContentType' | 'ClientMetadataHttpNotFound' | 'ClientMetadataNoResponse' | 'ClientMetadataInvalidResponse' | 'ClientMetadataInvalidContentType' | 'IdpNotPotentiallyTrustworthy' | 'DisabledInSettings' | 'DisabledInFlags' | 'ErrorFetchingSignin' | 'InvalidSigninResponse' | 'AccountsHttpNotFound' | 'AccountsNoResponse' | 'AccountsInvalidResponse' | 'AccountsListEmpty' | 'AccountsInvalidContentType' | 'IdTokenHttpNotFound' | 'IdTokenNoResponse' | 'IdTokenInvalidResponse' | 'IdTokenIdpErrorResponse' | 'IdTokenCrossSiteIdpErrorResponse' | 'IdTokenInvalidRequest' | 'IdTokenInvalidContentType' | 'ErrorIdToken' | 'Canceled' | 'RpPageNotVisible' | 'SilentMediationFailure' | 'ThirdPartyCookiesBlocked' | 'NotSignedInWithIdp' | 'MissingTransientUserActivation' | 'ReplacedByActiveMode' | 'InvalidFieldsSpecified' | 'RelyingPartyOriginIsOpaque' | 'TypeNotMatching' | 'UiDismissedNoEmbargo' | 'CorsError' | 'SuppressedBySegmentationPlatform');

        export interface FederatedAuthUserInfoRequestIssueDetails {
            federatedAuthUserInfoRequestIssueReason: FederatedAuthUserInfoRequestIssueReason;
        }

        /**
         * Represents the failure reason when a getUserInfo() call fails.
         * Should be updated alongside FederatedAuthUserInfoRequestResult in
         * third_party/blink/public/mojom/devtools/inspector_issue.mojom.
         */
        export type FederatedAuthUserInfoRequestIssueReason = ('NotSameOrigin' | 'NotIframe' | 'NotPotentiallyTrustworthy' | 'NoApiPermission' | 'NotSignedInWithIdp' | 'NoAccountSharingPermission' | 'InvalidConfigOrWellKnown' | 'InvalidAccountsResponse' | 'NoReturningUserFromFetchedAccounts');

        /**
         * This issue tracks client hints related issues. It's used to deprecate old
         * features, encourage the use of new ones, and provide general guidance.
         */
        export interface ClientHintIssueDetails {
            sourceCodeLocation: SourceCodeLocation;
            clientHintIssueReason: ClientHintIssueReason;
        }

        export interface FailedRequestInfo {
            /**
             * The URL that failed to load.
             */
            url: string;
            /**
             * The failure message for the failed request.
             */
            failureMessage: string;
            requestId?: Network.RequestId;
        }

        export type PartitioningBlobURLInfo = ('BlockedCrossPartitionFetching' | 'EnforceNoopenerForNavigation');

        export interface PartitioningBlobURLIssueDetails {
            /**
             * The BlobURL that failed to load.
             */
            url: string;
            /**
             * Additional information about the Partitioning Blob URL issue.
             */
            partitioningBlobURLInfo: PartitioningBlobURLInfo;
        }

        export type ElementAccessibilityIssueReason = ('DisallowedSelectChild' | 'DisallowedOptGroupChild' | 'NonPhrasingContentOptionChild' | 'InteractiveContentOptionChild' | 'InteractiveContentLegendChild' | 'InteractiveContentSummaryDescendant');

        /**
         * This issue warns about errors in the select or summary element content model.
         */
        export interface ElementAccessibilityIssueDetails {
            nodeId: DOM.BackendNodeId;
            elementAccessibilityIssueReason: ElementAccessibilityIssueReason;
            hasDisallowedAttributes: boolean;
        }

        export type StyleSheetLoadingIssueReason = ('LateImportRule' | 'RequestFailed');

        /**
         * This issue warns when a referenced stylesheet couldn't be loaded.
         */
        export interface StylesheetLoadingIssueDetails {
            /**
             * Source code position that referenced the failing stylesheet.
             */
            sourceCodeLocation: SourceCodeLocation;
            /**
             * Reason why the stylesheet couldn't be loaded.
             */
            styleSheetLoadingIssueReason: StyleSheetLoadingIssueReason;
            /**
             * Contains additional info when the failure was due to a request.
             */
            failedRequestInfo?: FailedRequestInfo;
        }

        export type PropertyRuleIssueReason = ('InvalidSyntax' | 'InvalidInitialValue' | 'InvalidInherits' | 'InvalidName');

        /**
         * This issue warns about errors in property rules that lead to property
         * registrations being ignored.
         */
        export interface PropertyRuleIssueDetails {
            /**
             * Source code position of the property rule.
             */
            sourceCodeLocation: SourceCodeLocation;
            /**
             * Reason why the property rule was discarded.
             */
            propertyRuleIssueReason: PropertyRuleIssueReason;
            /**
             * The value of the property rule property that failed to parse
             */
            propertyValue?: string;
        }

        export type UserReidentificationIssueType = ('BlockedFrameNavigation' | 'BlockedSubresource' | 'NoisedCanvasReadback');

        /**
         * This issue warns about uses of APIs that may be considered misuse to
         * re-identify users.
         */
        export interface UserReidentificationIssueDetails {
            type: UserReidentificationIssueType;
            /**
             * Applies to BlockedFrameNavigation and BlockedSubresource issue types.
             */
            request?: AffectedRequest;
            /**
             * Applies to NoisedCanvasReadback issue type.
             */
            sourceCodeLocation?: SourceCodeLocation;
        }

        /**
         * A unique identifier for the type of issue. Each type may use one of the
         * optional fields in InspectorIssueDetails to convey more specific
         * information about the kind of issue.
         */
        export type InspectorIssueCode = ('CookieIssue' | 'MixedContentIssue' | 'BlockedByResponseIssue' | 'HeavyAdIssue' | 'ContentSecurityPolicyIssue' | 'SharedArrayBufferIssue' | 'LowTextContrastIssue' | 'CorsIssue' | 'AttributionReportingIssue' | 'QuirksModeIssue' | 'PartitioningBlobURLIssue' | 'NavigatorUserAgentIssue' | 'GenericIssue' | 'DeprecationIssue' | 'ClientHintIssue' | 'FederatedAuthRequestIssue' | 'BounceTrackingIssue' | 'CookieDeprecationMetadataIssue' | 'StylesheetLoadingIssue' | 'FederatedAuthUserInfoRequestIssue' | 'PropertyRuleIssue' | 'SharedDictionaryIssue' | 'ElementAccessibilityIssue' | 'SRIMessageSignatureIssue' | 'UnencodedDigestIssue' | 'UserReidentificationIssue');

        /**
         * This struct holds a list of optional fields with additional information
         * specific to the kind of issue. When adding a new issue code, please also
         * add a new optional field to this type.
         */
        export interface InspectorIssueDetails {
            cookieIssueDetails?: CookieIssueDetails;
            mixedContentIssueDetails?: MixedContentIssueDetails;
            blockedByResponseIssueDetails?: BlockedByResponseIssueDetails;
            heavyAdIssueDetails?: HeavyAdIssueDetails;
            contentSecurityPolicyIssueDetails?: ContentSecurityPolicyIssueDetails;
            sharedArrayBufferIssueDetails?: SharedArrayBufferIssueDetails;
            lowTextContrastIssueDetails?: LowTextContrastIssueDetails;
            corsIssueDetails?: CorsIssueDetails;
            attributionReportingIssueDetails?: AttributionReportingIssueDetails;
            quirksModeIssueDetails?: QuirksModeIssueDetails;
            partitioningBlobURLIssueDetails?: PartitioningBlobURLIssueDetails;
            /**
             * @deprecated
             */
            navigatorUserAgentIssueDetails?: NavigatorUserAgentIssueDetails;
            genericIssueDetails?: GenericIssueDetails;
            deprecationIssueDetails?: DeprecationIssueDetails;
            clientHintIssueDetails?: ClientHintIssueDetails;
            federatedAuthRequestIssueDetails?: FederatedAuthRequestIssueDetails;
            bounceTrackingIssueDetails?: BounceTrackingIssueDetails;
            cookieDeprecationMetadataIssueDetails?: CookieDeprecationMetadataIssueDetails;
            stylesheetLoadingIssueDetails?: StylesheetLoadingIssueDetails;
            propertyRuleIssueDetails?: PropertyRuleIssueDetails;
            federatedAuthUserInfoRequestIssueDetails?: FederatedAuthUserInfoRequestIssueDetails;
            sharedDictionaryIssueDetails?: SharedDictionaryIssueDetails;
            elementAccessibilityIssueDetails?: ElementAccessibilityIssueDetails;
            sriMessageSignatureIssueDetails?: SRIMessageSignatureIssueDetails;
            unencodedDigestIssueDetails?: UnencodedDigestIssueDetails;
            userReidentificationIssueDetails?: UserReidentificationIssueDetails;
        }

        /**
         * A unique id for a DevTools inspector issue. Allows other entities (e.g.
         * exceptions, CDP message, console messages, etc.) to reference an issue.
         */
        export type IssueId = string;

        /**
         * An inspector issue reported from the back-end.
         */
        export interface InspectorIssue {
            code: InspectorIssueCode;
            details: InspectorIssueDetails;
            /**
             * A unique id for this issue. May be omitted if no other entity (e.g.
             * exception, CDP message, etc.) is referencing this issue.
             */
            issueId?: IssueId;
        }

        export const enum GetEncodedResponseRequestEncoding {
            Webp = 'webp',
            Jpeg = 'jpeg',
            Png = 'png',
        }

        export interface GetEncodedResponseRequest {
            /**
             * Identifier of the network request to get content for.
             */
            requestId: Network.RequestId;
            /**
             * The encoding to use.
             */
            encoding: ('webp' | 'jpeg' | 'png');
            /**
             * The quality of the encoding (0-1). (defaults to 1)
             */
            quality?: number;
            /**
             * Whether to only return the size information (defaults to false).
             */
            sizeOnly?: boolean;
        }

        export interface GetEncodedResponseResponse {
            /**
             * The encoded body as a base64 string. Omitted if sizeOnly is true. (Encoded as a base64 string when passed over JSON)
             */
            body?: string;
            /**
             * Size before re-encoding.
             */
            originalSize: integer;
            /**
             * Size after re-encoding.
             */
            encodedSize: integer;
        }

        export interface CheckContrastRequest {
            /**
             * Whether to report WCAG AAA level issues. Default is false.
             */
            reportAAA?: boolean;
        }

        export interface CheckFormsIssuesResponse {
            formIssues: GenericIssueDetails[];
        }

        export interface IssueAddedEvent {
            issue: InspectorIssue;
        }
    }

    /**
     * Defines commands and events for Autofill.
     * @experimental
     */
    export namespace Autofill {

        export interface CreditCard {
            /**
             * 16-digit credit card number.
             */
            number: string;
            /**
             * Name of the credit card owner.
             */
            name: string;
            /**
             * 2-digit expiry month.
             */
            expiryMonth: string;
            /**
             * 4-digit expiry year.
             */
            expiryYear: string;
            /**
             * 3-digit card verification code.
             */
            cvc: string;
        }

        export interface AddressField {
            /**
             * address field name, for example GIVEN_NAME.
             * The full list of supported field names:
             * https://source.chromium.org/chromium/chromium/src/+/main:components/autofill/core/browser/field_types.cc;l=38
             */
            name: string;
            /**
             * address field value, for example Jon Doe.
             */
            value: string;
        }

        /**
         * A list of address fields.
         */
        export interface AddressFields {
            fields: AddressField[];
        }

        export interface Address {
            /**
             * fields and values defining an address.
             */
            fields: AddressField[];
        }

        /**
         * Defines how an address can be displayed like in chrome://settings/addresses.
         * Address UI is a two dimensional array, each inner array is an "address information line", and when rendered in a UI surface should be displayed as such.
         * The following address UI for instance:
         * [[{name: "GIVE_NAME", value: "Jon"}, {name: "FAMILY_NAME", value: "Doe"}], [{name: "CITY", value: "Munich"}, {name: "ZIP", value: "81456"}]]
         * should allow the receiver to render:
         * Jon Doe
         * Munich 81456
         */
        export interface AddressUI {
            /**
             * A two dimension array containing the representation of values from an address profile.
             */
            addressFields: AddressFields[];
        }

        /**
         * Specified whether a filled field was done so by using the html autocomplete attribute or autofill heuristics.
         */
        export type FillingStrategy = ('autocompleteAttribute' | 'autofillInferred');

        export interface FilledField {
            /**
             * The type of the field, e.g text, password etc.
             */
            htmlType: string;
            /**
             * the html id
             */
            id: string;
            /**
             * the html name
             */
            name: string;
            /**
             * the field value
             */
            value: string;
            /**
             * The actual field type, e.g FAMILY_NAME
             */
            autofillType: string;
            /**
             * The filling strategy
             */
            fillingStrategy: FillingStrategy;
            /**
             * The frame the field belongs to
             */
            frameId: Page.FrameId;
            /**
             * The form field's DOM node
             */
            fieldId: DOM.BackendNodeId;
        }

        export interface TriggerRequest {
            /**
             * Identifies a field that serves as an anchor for autofill.
             */
            fieldId: DOM.BackendNodeId;
            /**
             * Identifies the frame that field belongs to.
             */
            frameId?: Page.FrameId;
            /**
             * Credit card information to fill out the form. Credit card data is not saved.  Mutually exclusive with `address`.
             */
            card?: CreditCard;
            /**
             * Address to fill out the form. Address data is not saved. Mutually exclusive with `card`.
             */
            address?: Address;
        }

        export interface SetAddressesRequest {
            addresses: Address[];
        }

        /**
         * Emitted when an address form is filled.
         */
        export interface AddressFormFilledEvent {
            /**
             * Information about the fields that were filled
             */
            filledFields: FilledField[];
            /**
             * An UI representation of the address used to fill the form.
             * Consists of a 2D array where each child represents an address/profile line.
             */
            addressUi: AddressUI;
        }
    }

    /**
     * Defines events for background web platform features.
     * @experimental
     */
    export namespace BackgroundService {

        /**
         * The Background Service that will be associated with the commands/events.
         * Every Background Service operates independently, but they share the same
         * API.
         */
        export type ServiceName = ('backgroundFetch' | 'backgroundSync' | 'pushMessaging' | 'notifications' | 'paymentHandler' | 'periodicBackgroundSync');

        /**
         * A key-value pair for additional event information to pass along.
         */
        export interface EventMetadata {
            key: string;
            value: string;
        }

        export interface BackgroundServiceEvent {
            /**
             * Timestamp of the event (in seconds).
             */
            timestamp: Network.TimeSinceEpoch;
            /**
             * The origin this event belongs to.
             */
            origin: string;
            /**
             * The Service Worker ID that initiated the event.
             */
            serviceWorkerRegistrationId: ServiceWorker.RegistrationID;
            /**
             * The Background Service this event belongs to.
             */
            service: ServiceName;
            /**
             * A description of the event.
             */
            eventName: string;
            /**
             * An identifier that groups related events together.
             */
            instanceId: string;
            /**
             * A list of event-specific information.
             */
            eventMetadata: EventMetadata[];
            /**
             * Storage key this event belongs to.
             */
            storageKey: string;
        }

        export interface StartObservingRequest {
            service: ServiceName;
        }

        export interface StopObservingRequest {
            service: ServiceName;
        }

        export interface SetRecordingRequest {
            shouldRecord: boolean;
            service: ServiceName;
        }

        export interface ClearEventsRequest {
            service: ServiceName;
        }

        /**
         * Called when the recording state for the service has been updated.
         */
        export interface RecordingStateChangedEvent {
            isRecording: boolean;
            service: ServiceName;
        }

        /**
         * Called with all existing backgroundServiceEvents when enabled, and all new
         * events afterwards if enabled and recording.
         */
        export interface BackgroundServiceEventReceivedEvent {
            backgroundServiceEvent: BackgroundServiceEvent;
        }
    }

    /**
     * This domain allows configuring virtual Bluetooth devices to test
     * the web-bluetooth API.
     * @experimental
     */
    export namespace BluetoothEmulation {

        /**
         * Indicates the various states of Central.
         */
        export type CentralState = ('absent' | 'powered-off' | 'powered-on');

        /**
         * Indicates the various types of GATT event.
         */
        export type GATTOperationType = ('connection' | 'discovery');

        /**
         * Indicates the various types of characteristic write.
         */
        export type CharacteristicWriteType = ('write-default-deprecated' | 'write-with-response' | 'write-without-response');

        /**
         * Indicates the various types of characteristic operation.
         */
        export type CharacteristicOperationType = ('read' | 'write' | 'subscribe-to-notifications' | 'unsubscribe-from-notifications');

        /**
         * Indicates the various types of descriptor operation.
         */
        export type DescriptorOperationType = ('read' | 'write');

        /**
         * Stores the manufacturer data
         */
        export interface ManufacturerData {
            /**
             * Company identifier
             * https://bitbucket.org/bluetooth-SIG/public/src/main/assigned_numbers/company_identifiers/company_identifiers.yaml
             * https://usb.org/developers
             */
            key: integer;
            /**
             * Manufacturer-specific data (Encoded as a base64 string when passed over JSON)
             */
            data: string;
        }

        /**
         * Stores the byte data of the advertisement packet sent by a Bluetooth device.
         */
        export interface ScanRecord {
            name?: string;
            uuids?: string[];
            /**
             * Stores the external appearance description of the device.
             */
            appearance?: integer;
            /**
             * Stores the transmission power of a broadcasting device.
             */
            txPower?: integer;
            /**
             * Key is the company identifier and the value is an array of bytes of
             * manufacturer specific data.
             */
            manufacturerData?: ManufacturerData[];
        }

        /**
         * Stores the advertisement packet information that is sent by a Bluetooth device.
         */
        export interface ScanEntry {
            deviceAddress: string;
            rssi: integer;
            scanRecord: ScanRecord;
        }

        /**
         * Describes the properties of a characteristic. This follows Bluetooth Core
         * Specification BT 4.2 Vol 3 Part G 3.3.1. Characteristic Properties.
         */
        export interface CharacteristicProperties {
            broadcast?: boolean;
            read?: boolean;
            writeWithoutResponse?: boolean;
            write?: boolean;
            notify?: boolean;
            indicate?: boolean;
            authenticatedSignedWrites?: boolean;
            extendedProperties?: boolean;
        }

        export interface EnableRequest {
            /**
             * State of the simulated central.
             */
            state: CentralState;
            /**
             * If the simulated central supports low-energy.
             */
            leSupported: boolean;
        }

        export interface SetSimulatedCentralStateRequest {
            /**
             * State of the simulated central.
             */
            state: CentralState;
        }

        export interface SimulatePreconnectedPeripheralRequest {
            address: string;
            name: string;
            manufacturerData: ManufacturerData[];
            knownServiceUuids: string[];
        }

        export interface SimulateAdvertisementRequest {
            entry: ScanEntry;
        }

        export interface SimulateGATTOperationResponseRequest {
            address: string;
            type: GATTOperationType;
            code: integer;
        }

        export interface SimulateCharacteristicOperationResponseRequest {
            characteristicId: string;
            type: CharacteristicOperationType;
            code: integer;
            data?: string;
        }

        export interface SimulateDescriptorOperationResponseRequest {
            descriptorId: string;
            type: DescriptorOperationType;
            code: integer;
            data?: string;
        }

        export interface AddServiceRequest {
            address: string;
            serviceUuid: string;
        }

        export interface AddServiceResponse {
            /**
             * An identifier that uniquely represents this service.
             */
            serviceId: string;
        }

        export interface RemoveServiceRequest {
            serviceId: string;
        }

        export interface AddCharacteristicRequest {
            serviceId: string;
            characteristicUuid: string;
            properties: CharacteristicProperties;
        }

        export interface AddCharacteristicResponse {
            /**
             * An identifier that uniquely represents this characteristic.
             */
            characteristicId: string;
        }

        export interface RemoveCharacteristicRequest {
            characteristicId: string;
        }

        export interface AddDescriptorRequest {
            characteristicId: string;
            descriptorUuid: string;
        }

        export interface AddDescriptorResponse {
            /**
             * An identifier that uniquely represents this descriptor.
             */
            descriptorId: string;
        }

        export interface RemoveDescriptorRequest {
            descriptorId: string;
        }

        export interface SimulateGATTDisconnectionRequest {
            address: string;
        }

        /**
         * Event for when a GATT operation of |type| to the peripheral with |address|
         * happened.
         */
        export interface GattOperationReceivedEvent {
            address: string;
            type: GATTOperationType;
        }

        /**
         * Event for when a characteristic operation of |type| to the characteristic
         * respresented by |characteristicId| happened. |data| and |writeType| is
         * expected to exist when |type| is write.
         */
        export interface CharacteristicOperationReceivedEvent {
            characteristicId: string;
            type: CharacteristicOperationType;
            data?: string;
            writeType?: CharacteristicWriteType;
        }

        /**
         * Event for when a descriptor operation of |type| to the descriptor
         * respresented by |descriptorId| happened. |data| is expected to exist when
         * |type| is write.
         */
        export interface DescriptorOperationReceivedEvent {
            descriptorId: string;
            type: DescriptorOperationType;
            data?: string;
        }
    }

    /**
     * The Browser domain defines methods and events for browser managing.
     */
    export namespace Browser {

        /**
         * @experimental
         */
        export type BrowserContextID = string;

        /**
         * @experimental
         */
        export type WindowID = integer;

        /**
         * The state of the browser window.
         * @experimental
         */
        export type WindowState = ('normal' | 'minimized' | 'maximized' | 'fullscreen');

        /**
         * Browser window bounds information
         * @experimental
         */
        export interface Bounds {
            /**
             * The offset from the left edge of the screen to the window in pixels.
             */
            left?: integer;
            /**
             * The offset from the top edge of the screen to the window in pixels.
             */
            top?: integer;
            /**
             * The window width in pixels.
             */
            width?: integer;
            /**
             * The window height in pixels.
             */
            height?: integer;
            /**
             * The window state. Default to normal.
             */
            windowState?: WindowState;
        }

        /**
         * @experimental
         */
        export type PermissionType = ('ar' | 'audioCapture' | 'automaticFullscreen' | 'backgroundFetch' | 'backgroundSync' | 'cameraPanTiltZoom' | 'capturedSurfaceControl' | 'clipboardReadWrite' | 'clipboardSanitizedWrite' | 'displayCapture' | 'durableStorage' | 'geolocation' | 'handTracking' | 'idleDetection' | 'keyboardLock' | 'localFonts' | 'localNetworkAccess' | 'midi' | 'midiSysex' | 'nfc' | 'notifications' | 'paymentHandler' | 'periodicBackgroundSync' | 'pointerLock' | 'protectedMediaIdentifier' | 'sensors' | 'smartCard' | 'speakerSelection' | 'storageAccess' | 'topLevelStorageAccess' | 'videoCapture' | 'vr' | 'wakeLockScreen' | 'wakeLockSystem' | 'webAppInstallation' | 'webPrinting' | 'windowManagement');

        /**
         * @experimental
         */
        export type PermissionSetting = ('granted' | 'denied' | 'prompt');

        /**
         * Definition of PermissionDescriptor defined in the Permissions API:
         * https://w3c.github.io/permissions/#dom-permissiondescriptor.
         * @experimental
         */
        export interface PermissionDescriptor {
            /**
             * Name of permission.
             * See https://cs.chromium.org/chromium/src/third_party/blink/renderer/modules/permissions/permission_descriptor.idl for valid permission names.
             */
            name: string;
            /**
             * For "midi" permission, may also specify sysex control.
             */
            sysex?: boolean;
            /**
             * For "push" permission, may specify userVisibleOnly.
             * Note that userVisibleOnly = true is the only currently supported type.
             */
            userVisibleOnly?: boolean;
            /**
             * For "clipboard" permission, may specify allowWithoutSanitization.
             */
            allowWithoutSanitization?: boolean;
            /**
             * For "fullscreen" permission, must specify allowWithoutGesture:true.
             */
            allowWithoutGesture?: boolean;
            /**
             * For "camera" permission, may specify panTiltZoom.
             */
            panTiltZoom?: boolean;
        }

        /**
         * Browser command ids used by executeBrowserCommand.
         * @experimental
         */
        export type BrowserCommandId = ('openTabSearch' | 'closeTabSearch' | 'openGlic');

        /**
         * Chrome histogram bucket.
         * @experimental
         */
        export interface Bucket {
            /**
             * Minimum value (inclusive).
             */
            low: integer;
            /**
             * Maximum value (exclusive).
             */
            high: integer;
            /**
             * Number of samples.
             */
            count: integer;
        }

        /**
         * Chrome histogram.
         * @experimental
         */
        export interface Histogram {
            /**
             * Name.
             */
            name: string;
            /**
             * Sum of sample values.
             */
            sum: integer;
            /**
             * Total number of samples.
             */
            count: integer;
            /**
             * Buckets.
             */
            buckets: Bucket[];
        }

        /**
         * @experimental
         */
        export type PrivacySandboxAPI = ('BiddingAndAuctionServices' | 'TrustedKeyValue');

        export interface SetPermissionRequest {
            /**
             * Descriptor of permission to override.
             */
            permission: PermissionDescriptor;
            /**
             * Setting of the permission.
             */
            setting: PermissionSetting;
            /**
             * Requesting origin the permission applies to, all origins if not specified.
             */
            origin?: string;
            /**
             * Embedding origin the permission applies to. It is ignored unless the requesting origin is
             * present and valid. If the requesting origin is provided but the embedding origin isn't, the
             * requesting origin is used as the embedding origin.
             */
            embeddingOrigin?: string;
            /**
             * Context to override. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
        }

        export interface GrantPermissionsRequest {
            permissions: PermissionType[];
            /**
             * Origin the permission applies to, all origins if not specified.
             */
            origin?: string;
            /**
             * BrowserContext to override permissions. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
        }

        export interface ResetPermissionsRequest {
            /**
             * BrowserContext to reset permissions. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
        }

        export const enum SetDownloadBehaviorRequestBehavior {
            Deny = 'deny',
            Allow = 'allow',
            AllowAndName = 'allowAndName',
            Default = 'default',
        }

        export interface SetDownloadBehaviorRequest {
            /**
             * Whether to allow all or deny all download requests, or use default Chrome behavior if
             * available (otherwise deny). |allowAndName| allows download and names files according to
             * their download guids.
             */
            behavior: ('deny' | 'allow' | 'allowAndName' | 'default');
            /**
             * BrowserContext to set download behavior. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
            /**
             * The default path to save downloaded files to. This is required if behavior is set to 'allow'
             * or 'allowAndName'.
             */
            downloadPath?: string;
            /**
             * Whether to emit download events (defaults to false).
             */
            eventsEnabled?: boolean;
        }

        export interface CancelDownloadRequest {
            /**
             * Global unique identifier of the download.
             */
            guid: string;
            /**
             * BrowserContext to perform the action in. When omitted, default browser context is used.
             */
            browserContextId?: BrowserContextID;
        }

        export interface GetVersionResponse {
            /**
             * Protocol version.
             */
            protocolVersion: string;
            /**
             * Product name.
             */
            product: string;
            /**
             * Product revision.
             */
            revision: string;
            /**
             * User-Agent.
             */
            userAgent: string;
            /**
             * V8 version.
             */
            jsVersion: string;
        }

        export interface GetBrowserCommandLineResponse {
            /**
             * Commandline parameters
             */
            arguments: string[];
        }

        export interface GetHistogramsRequest {
            /**
             * Requested substring in name. Only histograms which have query as a
             * substring in their name are extracted. An empty or absent query returns
             * all histograms.
             */
            query?: string;
            /**
             * If true, retrieve delta since last delta call.
             */
            delta?: boolean;
        }

        export interface GetHistogramsResponse {
            /**
             * Histograms.
             */
            histograms: Histogram[];
        }

        export interface GetHistogramRequest {
            /**
             * Requested histogram name.
             */
            name: string;
            /**
             * If true, retrieve delta since last delta call.
             */
            delta?: boolean;
        }

        export interface GetHistogramResponse {
            /**
             * Histogram.
             */
            histogram: Histogram;
        }

        export interface GetWindowBoundsRequest {
            /**
             * Browser window id.
             */
            windowId: WindowID;
        }

        export interface GetWindowBoundsResponse {
            /**
             * Bounds information of the window. When window state is 'minimized', the restored window
             * position and size are returned.
             */
            bounds: Bounds;
        }

        export interface GetWindowForTargetRequest {
            /**
             * Devtools agent host id. If called as a part of the session, associated targetId is used.
             */
            targetId?: Target.TargetID;
        }

        export interface GetWindowForTargetResponse {
            /**
             * Browser window id.
             */
            windowId: WindowID;
            /**
             * Bounds information of the window. When window state is 'minimized', the restored window
             * position and size are returned.
             */
            bounds: Bounds;
        }

        export interface SetWindowBoundsRequest {
            /**
             * Browser window id.
             */
            windowId: WindowID;
            /**
             * New window bounds. The 'minimized', 'maximized' and 'fullscreen' states cannot be combined
             * with 'left', 'top', 'width' or 'height'. Leaves unspecified fields unchanged.
             */
            bounds: Bounds;
        }

        export interface SetContentsSizeRequest {
            /**
             * Browser window id.
             */
            windowId: WindowID;
            /**
             * The window contents width in DIP. Assumes current width if omitted.
             * Must be specified if 'height' is omitted.
             */
            width?: integer;
            /**
             * The window contents height in DIP. Assumes current height if omitted.
             * Must be specified if 'width' is omitted.
             */
            height?: integer;
        }

        export interface SetDockTileRequest {
            badgeLabel?: string;
            /**
             * Png encoded image. (Encoded as a base64 string when passed over JSON)
             */
            image?: string;
        }

        export interface ExecuteBrowserCommandRequest {
            commandId: BrowserCommandId;
        }

        export interface AddPrivacySandboxEnrollmentOverrideRequest {
            url: string;
        }

        export interface AddPrivacySandboxCoordinatorKeyConfigRequest {
            api: PrivacySandboxAPI;
            coordinatorOrigin: string;
            keyConfig: string;
            /**
             * BrowserContext to perform the action in. When omitted, default browser
             * context is used.
             */
            browserContextId?: BrowserContextID;
        }

        /**
         * Fired when page is about to start a download.
         * @experimental
         */
        export interface DownloadWillBeginEvent {
            /**
             * Id of the frame that caused the download to begin.
             */
            frameId: Page.FrameId;
            /**
             * Global unique identifier of the download.
             */
            guid: string;
            /**
             * URL of the resource being downloaded.
             */
            url: string;
            /**
             * Suggested file name of the resource (the actual name of the file saved on disk may differ).
             */
            suggestedFilename: string;
        }

        export const enum DownloadProgressEventState {
            InProgress = 'inProgress',
            Completed = 'completed',
            Canceled = 'canceled',
        }

        /**
         * Fired when download makes progress. Last call has |done| == true.
         * @experimental
         */
        export interface DownloadProgressEvent {
            /**
             * Global unique identifier of the download.
             */
            guid: string;
            /**
             * Total expected bytes to download.
             */
            totalBytes: number;
            /**
             * Total bytes received.
             */
            receivedBytes: number;
            /**
             * Download status.
             */
            state: ('inProgress' | 'completed' | 'canceled');
            /**
             * If download is "completed", provides the path of the downloaded file.
             * Depending on the platform, it is not guaranteed to be set, nor the file
             * is guaranteed to exist.
             * @experimental
             */
            filePath?: string;
        }
    }

    /**
     * This domain exposes CSS read/write operations. All CSS objects (stylesheets, rules, and styles)
     * have an associated `id` used in subsequent operations on the related object. Each object type has
     * a specific `id` structure, and those are not interchangeable between objects of different kinds.
     * CSS objects can be loaded using the `get*ForNode()` calls (which accept a DOM node id). A client
     * can also keep track of stylesheets via the `styleSheetAdded`/`styleSheetRemoved` events and
     * subsequently load the required stylesheet contents using the `getStyleSheet[Text]()` methods.
     * @experimental
     */
    export namespace CSS {

        export type StyleSheetId = string;

        /**
         * Stylesheet type: "injected" for stylesheets injected via extension, "user-agent" for user-agent
         * stylesheets, "inspector" for stylesheets created by the inspector (i.e. those holding the "via
         * inspector" rules), "regular" for regular stylesheets.
         */
        export type StyleSheetOrigin = ('injected' | 'user-agent' | 'inspector' | 'regular');

        /**
         * CSS rule collection for a single pseudo style.
         */
        export interface PseudoElementMatches {
            /**
             * Pseudo element type.
             */
            pseudoType: DOM.PseudoType;
            /**
             * Pseudo element custom ident.
             */
            pseudoIdentifier?: string;
            /**
             * Matches of CSS rules applicable to the pseudo style.
             */
            matches: RuleMatch[];
        }

        /**
         * CSS style coming from animations with the name of the animation.
         */
        export interface CSSAnimationStyle {
            /**
             * The name of the animation.
             */
            name?: string;
            /**
             * The style coming from the animation.
             */
            style: CSSStyle;
        }

        /**
         * Inherited CSS rule collection from ancestor node.
         */
        export interface InheritedStyleEntry {
            /**
             * The ancestor node's inline style, if any, in the style inheritance chain.
             */
            inlineStyle?: CSSStyle;
            /**
             * Matches of CSS rules matching the ancestor node in the style inheritance chain.
             */
            matchedCSSRules: RuleMatch[];
        }

        /**
         * Inherited CSS style collection for animated styles from ancestor node.
         */
        export interface InheritedAnimatedStyleEntry {
            /**
             * Styles coming from the animations of the ancestor, if any, in the style inheritance chain.
             */
            animationStyles?: CSSAnimationStyle[];
            /**
             * The style coming from the transitions of the ancestor, if any, in the style inheritance chain.
             */
            transitionsStyle?: CSSStyle;
        }

        /**
         * Inherited pseudo element matches from pseudos of an ancestor node.
         */
        export interface InheritedPseudoElementMatches {
            /**
             * Matches of pseudo styles from the pseudos of an ancestor node.
             */
            pseudoElements: PseudoElementMatches[];
        }

        /**
         * Match data for a CSS rule.
         */
        export interface RuleMatch {
            /**
             * CSS rule in the match.
             */
            rule: CSSRule;
            /**
             * Matching selector indices in the rule's selectorList selectors (0-based).
             */
            matchingSelectors: integer[];
        }

        /**
         * Data for a simple selector (these are delimited by commas in a selector list).
         */
        export interface Value {
            /**
             * Value text.
             */
            text: string;
            /**
             * Value range in the underlying resource (if available).
             */
            range?: SourceRange;
            /**
             * Specificity of the selector.
             * @experimental
             */
            specificity?: Specificity;
        }

        /**
         * Specificity:
         * https://drafts.csswg.org/selectors/#specificity-rules
         * @experimental
         */
        export interface Specificity {
            /**
             * The a component, which represents the number of ID selectors.
             */
            a: integer;
            /**
             * The b component, which represents the number of class selectors, attributes selectors, and
             * pseudo-classes.
             */
            b: integer;
            /**
             * The c component, which represents the number of type selectors and pseudo-elements.
             */
            c: integer;
        }

        /**
         * Selector list data.
         */
        export interface SelectorList {
            /**
             * Selectors in the list.
             */
            selectors: Value[];
            /**
             * Rule selector text.
             */
            text: string;
        }

        /**
         * CSS stylesheet metainformation.
         */
        export interface CSSStyleSheetHeader {
            /**
             * The stylesheet identifier.
             */
            styleSheetId: StyleSheetId;
            /**
             * Owner frame identifier.
             */
            frameId: Page.FrameId;
            /**
             * Stylesheet resource URL. Empty if this is a constructed stylesheet created using
             * new CSSStyleSheet() (but non-empty if this is a constructed stylesheet imported
             * as a CSS module script).
             */
            sourceURL: string;
            /**
             * URL of source map associated with the stylesheet (if any).
             */
            sourceMapURL?: string;
            /**
             * Stylesheet origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Stylesheet title.
             */
            title: string;
            /**
             * The backend id for the owner node of the stylesheet.
             */
            ownerNode?: DOM.BackendNodeId;
            /**
             * Denotes whether the stylesheet is disabled.
             */
            disabled: boolean;
            /**
             * Whether the sourceURL field value comes from the sourceURL comment.
             */
            hasSourceURL?: boolean;
            /**
             * Whether this stylesheet is created for STYLE tag by parser. This flag is not set for
             * document.written STYLE tags.
             */
            isInline: boolean;
            /**
             * Whether this stylesheet is mutable. Inline stylesheets become mutable
             * after they have been modified via CSSOM API.
             * `<link>` element's stylesheets become mutable only if DevTools modifies them.
             * Constructed stylesheets (new CSSStyleSheet()) are mutable immediately after creation.
             */
            isMutable: boolean;
            /**
             * True if this stylesheet is created through new CSSStyleSheet() or imported as a
             * CSS module script.
             */
            isConstructed: boolean;
            /**
             * Line offset of the stylesheet within the resource (zero based).
             */
            startLine: number;
            /**
             * Column offset of the stylesheet within the resource (zero based).
             */
            startColumn: number;
            /**
             * Size of the content (in characters).
             */
            length: number;
            /**
             * Line offset of the end of the stylesheet within the resource (zero based).
             */
            endLine: number;
            /**
             * Column offset of the end of the stylesheet within the resource (zero based).
             */
            endColumn: number;
            /**
             * If the style sheet was loaded from a network resource, this indicates when the resource failed to load
             * @experimental
             */
            loadingFailed?: boolean;
        }

        /**
         * CSS rule representation.
         */
        export interface CSSRule {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Rule selector data.
             */
            selectorList: SelectorList;
            /**
             * Array of selectors from ancestor style rules, sorted by distance from the current rule.
             * @experimental
             */
            nestingSelectors?: string[];
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
            /**
             * The BackendNodeId of the DOM node that constitutes the origin tree scope of this rule.
             * @experimental
             */
            originTreeScopeNodeId?: DOM.BackendNodeId;
            /**
             * Media list array (for rules involving media queries). The array enumerates media queries
             * starting with the innermost one, going outwards.
             */
            media?: CSSMedia[];
            /**
             * Container query list array (for rules involving container queries).
             * The array enumerates container queries starting with the innermost one, going outwards.
             * @experimental
             */
            containerQueries?: CSSContainerQuery[];
            /**
             * @supports CSS at-rule array.
             * The array enumerates @supports at-rules starting with the innermost one, going outwards.
             * @experimental
             */
            supports?: CSSSupports[];
            /**
             * Cascade layer array. Contains the layer hierarchy that this rule belongs to starting
             * with the innermost layer and going outwards.
             * @experimental
             */
            layers?: CSSLayer[];
            /**
             * @scope CSS at-rule array.
             * The array enumerates @scope at-rules starting with the innermost one, going outwards.
             * @experimental
             */
            scopes?: CSSScope[];
            /**
             * The array keeps the types of ancestor CSSRules from the innermost going outwards.
             * @experimental
             */
            ruleTypes?: CSSRuleType[];
            /**
             * @starting-style CSS at-rule array.
             * The array enumerates @starting-style at-rules starting with the innermost one, going outwards.
             * @experimental
             */
            startingStyles?: CSSStartingStyle[];
        }

        /**
         * Enum indicating the type of a CSS rule, used to represent the order of a style rule's ancestors.
         * This list only contains rule types that are collected during the ancestor rule collection.
         * @experimental
         */
        export type CSSRuleType = ('MediaRule' | 'SupportsRule' | 'ContainerRule' | 'LayerRule' | 'ScopeRule' | 'StyleRule' | 'StartingStyleRule');

        /**
         * CSS coverage information.
         */
        export interface RuleUsage {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId: StyleSheetId;
            /**
             * Offset of the start of the rule (including selector) from the beginning of the stylesheet.
             */
            startOffset: number;
            /**
             * Offset of the end of the rule body from the beginning of the stylesheet.
             */
            endOffset: number;
            /**
             * Indicates whether the rule was actually used by some element in the page.
             */
            used: boolean;
        }

        /**
         * Text range within a resource. All numbers are zero-based.
         */
        export interface SourceRange {
            /**
             * Start line of range.
             */
            startLine: integer;
            /**
             * Start column of range (inclusive).
             */
            startColumn: integer;
            /**
             * End line of range
             */
            endLine: integer;
            /**
             * End column of range (exclusive).
             */
            endColumn: integer;
        }

        export interface ShorthandEntry {
            /**
             * Shorthand name.
             */
            name: string;
            /**
             * Shorthand value.
             */
            value: string;
            /**
             * Whether the property has "!important" annotation (implies `false` if absent).
             */
            important?: boolean;
        }

        export interface CSSComputedStyleProperty {
            /**
             * Computed style property name.
             */
            name: string;
            /**
             * Computed style property value.
             */
            value: string;
        }

        /**
         * @experimental
         */
        export interface ComputedStyleExtraFields {
            /**
             * Returns whether or not this node is being rendered with base appearance,
             * which happens when it has its appearance property set to base/base-select
             * or it is in the subtree of an element being rendered with base appearance.
             */
            isAppearanceBase: boolean;
        }

        /**
         * CSS style representation.
         */
        export interface CSSStyle {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * CSS properties in the style.
             */
            cssProperties: CSSProperty[];
            /**
             * Computed values for all shorthands found in the style.
             */
            shorthandEntries: ShorthandEntry[];
            /**
             * Style declaration text (if available).
             */
            cssText?: string;
            /**
             * Style declaration range in the enclosing stylesheet (if available).
             */
            range?: SourceRange;
        }

        /**
         * CSS property declaration data.
         */
        export interface CSSProperty {
            /**
             * The property name.
             */
            name: string;
            /**
             * The property value.
             */
            value: string;
            /**
             * Whether the property has "!important" annotation (implies `false` if absent).
             */
            important?: boolean;
            /**
             * Whether the property is implicit (implies `false` if absent).
             */
            implicit?: boolean;
            /**
             * The full property text as specified in the style.
             */
            text?: string;
            /**
             * Whether the property is understood by the browser (implies `true` if absent).
             */
            parsedOk?: boolean;
            /**
             * Whether the property is disabled by the user (present for source-based properties only).
             */
            disabled?: boolean;
            /**
             * The entire property range in the enclosing style declaration (if available).
             */
            range?: SourceRange;
            /**
             * Parsed longhand components of this property if it is a shorthand.
             * This field will be empty if the given property is not a shorthand.
             * @experimental
             */
            longhandProperties?: CSSProperty[];
        }

        export const enum CSSMediaSource {
            MediaRule = 'mediaRule',
            ImportRule = 'importRule',
            LinkedSheet = 'linkedSheet',
            InlineSheet = 'inlineSheet',
        }

        /**
         * CSS media rule descriptor.
         */
        export interface CSSMedia {
            /**
             * Media query text.
             */
            text: string;
            /**
             * Source of the media query: "mediaRule" if specified by a @media rule, "importRule" if
             * specified by an @import rule, "linkedSheet" if specified by a "media" attribute in a linked
             * stylesheet's LINK tag, "inlineSheet" if specified by a "media" attribute in an inline
             * stylesheet's STYLE tag.
             */
            source: ('mediaRule' | 'importRule' | 'linkedSheet' | 'inlineSheet');
            /**
             * URL of the document containing the media query description.
             */
            sourceURL?: string;
            /**
             * The associated rule (@media or @import) header range in the enclosing stylesheet (if
             * available).
             */
            range?: SourceRange;
            /**
             * Identifier of the stylesheet containing this object (if exists).
             */
            styleSheetId?: StyleSheetId;
            /**
             * Array of media queries.
             */
            mediaList?: MediaQuery[];
        }

        /**
         * Media query descriptor.
         */
        export interface MediaQuery {
            /**
             * Array of media query expressions.
             */
            expressions: MediaQueryExpression[];
            /**
             * Whether the media query condition is satisfied.
             */
            active: boolean;
        }

        /**
         * Media query expression descriptor.
         */
        export interface MediaQueryExpression {
            /**
             * Media query expression value.
             */
            value: number;
            /**
             * Media query expression units.
             */
            unit: string;
            /**
             * Media query expression feature.
             */
            feature: string;
            /**
             * The associated range of the value text in the enclosing stylesheet (if available).
             */
            valueRange?: SourceRange;
            /**
             * Computed length of media query expression (if applicable).
             */
            computedLength?: number;
        }

        /**
         * CSS container query rule descriptor.
         * @experimental
         */
        export interface CSSContainerQuery {
            /**
             * Container query text.
             */
            text: string;
            /**
             * The associated rule header range in the enclosing stylesheet (if
             * available).
             */
            range?: SourceRange;
            /**
             * Identifier of the stylesheet containing this object (if exists).
             */
            styleSheetId?: StyleSheetId;
            /**
             * Optional name for the container.
             */
            name?: string;
            /**
             * Optional physical axes queried for the container.
             */
            physicalAxes?: DOM.PhysicalAxes;
            /**
             * Optional logical axes queried for the container.
             */
            logicalAxes?: DOM.LogicalAxes;
            /**
             * true if the query contains scroll-state() queries.
             */
            queriesScrollState?: boolean;
            /**
             * true if the query contains anchored() queries.
             */
            queriesAnchored?: boolean;
        }

        /**
         * CSS Supports at-rule descriptor.
         * @experimental
         */
        export interface CSSSupports {
            /**
             * Supports rule text.
             */
            text: string;
            /**
             * Whether the supports condition is satisfied.
             */
            active: boolean;
            /**
             * The associated rule header range in the enclosing stylesheet (if
             * available).
             */
            range?: SourceRange;
            /**
             * Identifier of the stylesheet containing this object (if exists).
             */
            styleSheetId?: StyleSheetId;
        }

        /**
         * CSS Scope at-rule descriptor.
         * @experimental
         */
        export interface CSSScope {
            /**
             * Scope rule text.
             */
            text: string;
            /**
             * The associated rule header range in the enclosing stylesheet (if
             * available).
             */
            range?: SourceRange;
            /**
             * Identifier of the stylesheet containing this object (if exists).
             */
            styleSheetId?: StyleSheetId;
        }

        /**
         * CSS Layer at-rule descriptor.
         * @experimental
         */
        export interface CSSLayer {
            /**
             * Layer name.
             */
            text: string;
            /**
             * The associated rule header range in the enclosing stylesheet (if
             * available).
             */
            range?: SourceRange;
            /**
             * Identifier of the stylesheet containing this object (if exists).
             */
            styleSheetId?: StyleSheetId;
        }

        /**
         * CSS Starting Style at-rule descriptor.
         * @experimental
         */
        export interface CSSStartingStyle {
            /**
             * The associated rule header range in the enclosing stylesheet (if
             * available).
             */
            range?: SourceRange;
            /**
             * Identifier of the stylesheet containing this object (if exists).
             */
            styleSheetId?: StyleSheetId;
        }

        /**
         * CSS Layer data.
         * @experimental
         */
        export interface CSSLayerData {
            /**
             * Layer name.
             */
            name: string;
            /**
             * Direct sub-layers
             */
            subLayers?: CSSLayerData[];
            /**
             * Layer order. The order determines the order of the layer in the cascade order.
             * A higher number has higher priority in the cascade order.
             */
            order: number;
        }

        /**
         * Information about amount of glyphs that were rendered with given font.
         */
        export interface PlatformFontUsage {
            /**
             * Font's family name reported by platform.
             */
            familyName: string;
            /**
             * Font's PostScript name reported by platform.
             */
            postScriptName: string;
            /**
             * Indicates if the font was downloaded or resolved locally.
             */
            isCustomFont: boolean;
            /**
             * Amount of glyphs that were rendered with this font.
             */
            glyphCount: number;
        }

        /**
         * Information about font variation axes for variable fonts
         */
        export interface FontVariationAxis {
            /**
             * The font-variation-setting tag (a.k.a. "axis tag").
             */
            tag: string;
            /**
             * Human-readable variation name in the default language (normally, "en").
             */
            name: string;
            /**
             * The minimum value (inclusive) the font supports for this tag.
             */
            minValue: number;
            /**
             * The maximum value (inclusive) the font supports for this tag.
             */
            maxValue: number;
            /**
             * The default value.
             */
            defaultValue: number;
        }

        /**
         * Properties of a web font: https://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#font-descriptions
         * and additional information such as platformFontFamily and fontVariationAxes.
         */
        export interface FontFace {
            /**
             * The font-family.
             */
            fontFamily: string;
            /**
             * The font-style.
             */
            fontStyle: string;
            /**
             * The font-variant.
             */
            fontVariant: string;
            /**
             * The font-weight.
             */
            fontWeight: string;
            /**
             * The font-stretch.
             */
            fontStretch: string;
            /**
             * The font-display.
             */
            fontDisplay: string;
            /**
             * The unicode-range.
             */
            unicodeRange: string;
            /**
             * The src.
             */
            src: string;
            /**
             * The resolved platform font family
             */
            platformFontFamily: string;
            /**
             * Available variation settings (a.k.a. "axes").
             */
            fontVariationAxes?: FontVariationAxis[];
        }

        /**
         * CSS try rule representation.
         */
        export interface CSSTryRule {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
        }

        /**
         * CSS @position-try rule representation.
         */
        export interface CSSPositionTryRule {
            /**
             * The prelude dashed-ident name
             */
            name: Value;
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
            active: boolean;
        }

        /**
         * CSS keyframes rule representation.
         */
        export interface CSSKeyframesRule {
            /**
             * Animation name.
             */
            animationName: Value;
            /**
             * List of keyframes.
             */
            keyframes: CSSKeyframeRule[];
        }

        /**
         * Representation of a custom property registration through CSS.registerProperty
         */
        export interface CSSPropertyRegistration {
            propertyName: string;
            initialValue?: Value;
            inherits: boolean;
            syntax: string;
        }

        /**
         * CSS font-palette-values rule representation.
         */
        export interface CSSFontPaletteValuesRule {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated font palette name.
             */
            fontPaletteName: Value;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
        }

        /**
         * CSS property at-rule representation.
         */
        export interface CSSPropertyRule {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated property name.
             */
            propertyName: Value;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
        }

        /**
         * CSS function argument representation.
         */
        export interface CSSFunctionParameter {
            /**
             * The parameter name.
             */
            name: string;
            /**
             * The parameter type.
             */
            type: string;
        }

        /**
         * CSS function conditional block representation.
         */
        export interface CSSFunctionConditionNode {
            /**
             * Media query for this conditional block. Only one type of condition should be set.
             */
            media?: CSSMedia;
            /**
             * Container query for this conditional block. Only one type of condition should be set.
             */
            containerQueries?: CSSContainerQuery;
            /**
             * @supports CSS at-rule condition. Only one type of condition should be set.
             */
            supports?: CSSSupports;
            /**
             * Block body.
             */
            children: CSSFunctionNode[];
            /**
             * The condition text.
             */
            conditionText: string;
        }

        /**
         * Section of the body of a CSS function rule.
         */
        export interface CSSFunctionNode {
            /**
             * A conditional block. If set, style should not be set.
             */
            condition?: CSSFunctionConditionNode;
            /**
             * Values set by this node. If set, condition should not be set.
             */
            style?: CSSStyle;
        }

        /**
         * CSS function at-rule representation.
         */
        export interface CSSFunctionRule {
            /**
             * Name of the function.
             */
            name: Value;
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * List of parameters.
             */
            parameters: CSSFunctionParameter[];
            /**
             * Function body.
             */
            children: CSSFunctionNode[];
        }

        /**
         * CSS keyframe rule representation.
         */
        export interface CSSKeyframeRule {
            /**
             * The css style sheet identifier (absent for user agent stylesheet and user-specified
             * stylesheet rules) this rule came from.
             */
            styleSheetId?: StyleSheetId;
            /**
             * Parent stylesheet's origin.
             */
            origin: StyleSheetOrigin;
            /**
             * Associated key text.
             */
            keyText: Value;
            /**
             * Associated style declaration.
             */
            style: CSSStyle;
        }

        /**
         * A descriptor of operation to mutate style declaration text.
         */
        export interface StyleDeclarationEdit {
            /**
             * The css style sheet identifier.
             */
            styleSheetId: StyleSheetId;
            /**
             * The range of the style text in the enclosing stylesheet.
             */
            range: SourceRange;
            /**
             * New style text.
             */
            text: string;
        }

        export interface AddRuleRequest {
            /**
             * The css style sheet identifier where a new rule should be inserted.
             */
            styleSheetId: StyleSheetId;
            /**
             * The text of a new rule.
             */
            ruleText: string;
            /**
             * Text position of a new rule in the target style sheet.
             */
            location: SourceRange;
            /**
             * NodeId for the DOM node in whose context custom property declarations for registered properties should be
             * validated. If omitted, declarations in the new rule text can only be validated statically, which may produce
             * incorrect results if the declaration contains a var() for example.
             * @experimental
             */
            nodeForPropertySyntaxValidation?: DOM.NodeId;
        }

        export interface AddRuleResponse {
            /**
             * The newly created rule.
             */
            rule: CSSRule;
        }

        export interface CollectClassNamesRequest {
            styleSheetId: StyleSheetId;
        }

        export interface CollectClassNamesResponse {
            /**
             * Class name list.
             */
            classNames: string[];
        }

        export interface CreateStyleSheetRequest {
            /**
             * Identifier of the frame where "via-inspector" stylesheet should be created.
             */
            frameId: Page.FrameId;
            /**
             * If true, creates a new stylesheet for every call. If false,
             * returns a stylesheet previously created by a call with force=false
             * for the frame's document if it exists or creates a new stylesheet
             * (default: false).
             */
            force?: boolean;
        }

        export interface CreateStyleSheetResponse {
            /**
             * Identifier of the created "via-inspector" stylesheet.
             */
            styleSheetId: StyleSheetId;
        }

        export interface ForcePseudoStateRequest {
            /**
             * The element id for which to force the pseudo state.
             */
            nodeId: DOM.NodeId;
            /**
             * Element pseudo classes to force when computing the element's style.
             */
            forcedPseudoClasses: string[];
        }

        export interface ForceStartingStyleRequest {
            /**
             * The element id for which to force the starting-style state.
             */
            nodeId: DOM.NodeId;
            /**
             * Boolean indicating if this is on or off.
             */
            forced: boolean;
        }

        export interface GetBackgroundColorsRequest {
            /**
             * Id of the node to get background colors for.
             */
            nodeId: DOM.NodeId;
        }

        export interface GetBackgroundColorsResponse {
            /**
             * The range of background colors behind this element, if it contains any visible text. If no
             * visible text is present, this will be undefined. In the case of a flat background color,
             * this will consist of simply that color. In the case of a gradient, this will consist of each
             * of the color stops. For anything more complicated, this will be an empty array. Images will
             * be ignored (as if the image had failed to load).
             */
            backgroundColors?: string[];
            /**
             * The computed font size for this node, as a CSS computed value string (e.g. '12px').
             */
            computedFontSize?: string;
            /**
             * The computed font weight for this node, as a CSS computed value string (e.g. 'normal' or
             * '100').
             */
            computedFontWeight?: string;
        }

        export interface GetComputedStyleForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetComputedStyleForNodeResponse {
            /**
             * Computed style for the specified DOM node.
             */
            computedStyle: CSSComputedStyleProperty[];
            /**
             * A list of non-standard "extra fields" which blink stores alongside each
             * computed style.
             * @experimental
             */
            extraFields: ComputedStyleExtraFields;
        }

        export interface ResolveValuesRequest {
            /**
             * Cascade-dependent keywords (revert/revert-layer) do not work.
             */
            values: string[];
            /**
             * Id of the node in whose context the expression is evaluated
             */
            nodeId: DOM.NodeId;
            /**
             * Only longhands and custom property names are accepted.
             */
            propertyName?: string;
            /**
             * Pseudo element type, only works for pseudo elements that generate
             * elements in the tree, such as ::before and ::after.
             */
            pseudoType?: DOM.PseudoType;
            /**
             * Pseudo element custom ident.
             */
            pseudoIdentifier?: string;
        }

        export interface ResolveValuesResponse {
            results: string[];
        }

        export interface GetLonghandPropertiesRequest {
            shorthandName: string;
            value: string;
        }

        export interface GetLonghandPropertiesResponse {
            longhandProperties: CSSProperty[];
        }

        export interface GetInlineStylesForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetInlineStylesForNodeResponse {
            /**
             * Inline style for the specified DOM node.
             */
            inlineStyle?: CSSStyle;
            /**
             * Attribute-defined element style (e.g. resulting from "width=20 height=100%").
             */
            attributesStyle?: CSSStyle;
        }

        export interface GetAnimatedStylesForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetAnimatedStylesForNodeResponse {
            /**
             * Styles coming from animations.
             */
            animationStyles?: CSSAnimationStyle[];
            /**
             * Style coming from transitions.
             */
            transitionsStyle?: CSSStyle;
            /**
             * Inherited style entries for animationsStyle and transitionsStyle from
             * the inheritance chain of the element.
             */
            inherited?: InheritedAnimatedStyleEntry[];
        }

        export interface GetMatchedStylesForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetMatchedStylesForNodeResponse {
            /**
             * Inline style for the specified DOM node.
             */
            inlineStyle?: CSSStyle;
            /**
             * Attribute-defined element style (e.g. resulting from "width=20 height=100%").
             */
            attributesStyle?: CSSStyle;
            /**
             * CSS rules matching this node, from all applicable stylesheets.
             */
            matchedCSSRules?: RuleMatch[];
            /**
             * Pseudo style matches for this node.
             */
            pseudoElements?: PseudoElementMatches[];
            /**
             * A chain of inherited styles (from the immediate node parent up to the DOM tree root).
             */
            inherited?: InheritedStyleEntry[];
            /**
             * A chain of inherited pseudo element styles (from the immediate node parent up to the DOM tree root).
             */
            inheritedPseudoElements?: InheritedPseudoElementMatches[];
            /**
             * A list of CSS keyframed animations matching this node.
             */
            cssKeyframesRules?: CSSKeyframesRule[];
            /**
             * A list of CSS @position-try rules matching this node, based on the position-try-fallbacks property.
             */
            cssPositionTryRules?: CSSPositionTryRule[];
            /**
             * Index of the active fallback in the applied position-try-fallback property,
             * will not be set if there is no active position-try fallback.
             */
            activePositionFallbackIndex?: integer;
            /**
             * A list of CSS at-property rules matching this node.
             */
            cssPropertyRules?: CSSPropertyRule[];
            /**
             * A list of CSS property registrations matching this node.
             */
            cssPropertyRegistrations?: CSSPropertyRegistration[];
            /**
             * A font-palette-values rule matching this node.
             */
            cssFontPaletteValuesRule?: CSSFontPaletteValuesRule;
            /**
             * Id of the first parent element that does not have display: contents.
             * @experimental
             */
            parentLayoutNodeId?: DOM.NodeId;
            /**
             * A list of CSS at-function rules referenced by styles of this node.
             * @experimental
             */
            cssFunctionRules?: CSSFunctionRule[];
        }

        export interface GetEnvironmentVariablesResponse {
            environmentVariables: any;
        }

        export interface GetMediaQueriesResponse {
            medias: CSSMedia[];
        }

        export interface GetPlatformFontsForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetPlatformFontsForNodeResponse {
            /**
             * Usage statistics for every employed platform font.
             */
            fonts: PlatformFontUsage[];
        }

        export interface GetStyleSheetTextRequest {
            styleSheetId: StyleSheetId;
        }

        export interface GetStyleSheetTextResponse {
            /**
             * The stylesheet text.
             */
            text: string;
        }

        export interface GetLayersForNodeRequest {
            nodeId: DOM.NodeId;
        }

        export interface GetLayersForNodeResponse {
            rootLayer: CSSLayerData;
        }

        export interface GetLocationForSelectorRequest {
            styleSheetId: StyleSheetId;
            selectorText: string;
        }

        export interface GetLocationForSelectorResponse {
            ranges: SourceRange[];
        }

        export interface TrackComputedStyleUpdatesForNodeRequest {
            nodeId?: DOM.NodeId;
        }

        export interface TrackComputedStyleUpdatesRequest {
            propertiesToTrack: CSSComputedStyleProperty[];
        }

        export interface TakeComputedStyleUpdatesResponse {
            /**
             * The list of node Ids that have their tracked computed styles updated.
             */
            nodeIds: DOM.NodeId[];
        }

        export interface SetEffectivePropertyValueForNodeRequest {
            /**
             * The element id for which to set property.
             */
            nodeId: DOM.NodeId;
            propertyName: string;
            value: string;
        }

        export interface SetPropertyRulePropertyNameRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            propertyName: string;
        }

        export interface SetPropertyRulePropertyNameResponse {
            /**
             * The resulting key text after modification.
             */
            propertyName: Value;
        }

        export interface SetKeyframeKeyRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            keyText: string;
        }

        export interface SetKeyframeKeyResponse {
            /**
             * The resulting key text after modification.
             */
            keyText: Value;
        }

        export interface SetMediaTextRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            text: string;
        }

        export interface SetMediaTextResponse {
            /**
             * The resulting CSS media rule after modification.
             */
            media: CSSMedia;
        }

        export interface SetContainerQueryTextRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            text: string;
        }

        export interface SetContainerQueryTextResponse {
            /**
             * The resulting CSS container query rule after modification.
             */
            containerQuery: CSSContainerQuery;
        }

        export interface SetSupportsTextRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            text: string;
        }

        export interface SetSupportsTextResponse {
            /**
             * The resulting CSS Supports rule after modification.
             */
            supports: CSSSupports;
        }

        export interface SetScopeTextRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            text: string;
        }

        export interface SetScopeTextResponse {
            /**
             * The resulting CSS Scope rule after modification.
             */
            scope: CSSScope;
        }

        export interface SetRuleSelectorRequest {
            styleSheetId: StyleSheetId;
            range: SourceRange;
            selector: string;
        }

        export interface SetRuleSelectorResponse {
            /**
             * The resulting selector list after modification.
             */
            selectorList: SelectorList;
        }

        export interface SetStyleSheetTextRequest {
            styleSheetId: StyleSheetId;
            text: string;
        }

        export interface SetStyleSheetTextResponse {
            /**
             * URL of source map associated with script (if any).
             */
            sourceMapURL?: string;
        }

        export interface SetStyleTextsRequest {
            edits: StyleDeclarationEdit[];
            /**
             * NodeId for the DOM node in whose context custom property declarations for registered properties should be
             * validated. If omitted, declarations in the new rule text can only be validated statically, which may produce
             * incorrect results if the declaration contains a var() for example.
             * @experimental
             */
            nodeForPropertySyntaxValidation?: DOM.NodeId;
        }

        export interface SetStyleTextsResponse {
            /**
             * The resulting styles after modification.
             */
            styles: CSSStyle[];
        }

        export interface StopRuleUsageTrackingResponse {
            ruleUsage: RuleUsage[];
        }

        export interface TakeCoverageDeltaResponse {
            coverage: RuleUsage[];
            /**
             * Monotonically increasing time, in seconds.
             */
            timestamp: number;
        }

        export interface SetLocalFontsEnabledRequest {
            /**
             * Whether rendering of local fonts is enabled.
             */
            enabled: boolean;
        }

        /**
         * Fires whenever a web font is updated.  A non-empty font parameter indicates a successfully loaded
         * web font.
         */
        export interface FontsUpdatedEvent {
            /**
             * The web font that has loaded.
             */
            font?: FontFace;
        }

        /**
         * Fired whenever an active document stylesheet is added.
         */
        export interface StyleSheetAddedEvent {
            /**
             * Added stylesheet metainfo.
             */
            header: CSSStyleSheetHeader;
        }

        /**
         * Fired whenever a stylesheet is changed as a result of the client operation.
         */
        export interface StyleSheetChangedEvent {
            styleSheetId: StyleSheetId;
        }

        /**
         * Fired whenever an active document stylesheet is removed.
         */
        export interface StyleSheetRemovedEvent {
            /**
             * Identifier of the removed stylesheet.
             */
            styleSheetId: StyleSheetId;
        }

        /**
         * @experimental
         */
        export interface ComputedStyleUpdatedEvent {
            /**
             * The node id that has updated computed styles.
             */
            nodeId: DOM.NodeId;
        }
    }

    /**
     * @experimental
     */
    export namespace CacheStorage {

        /**
         * Unique identifier of the Cache object.
         */
        export type CacheId = string;

        /**
         * type of HTTP response cached
         */
        export type CachedResponseType = ('basic' | 'cors' | 'default' | 'error' | 'opaqueResponse' | 'opaqueRedirect');

        /**
         * Data entry.
         */
        export interface DataEntry {
            /**
             * Request URL.
             */
            requestURL: string;
            /**
             * Request method.
             */
            requestMethod: string;
            /**
             * Request headers
             */
            requestHeaders: Header[];
            /**
             * Number of seconds since epoch.
             */
            responseTime: number;
            /**
             * HTTP response status code.
             */
            responseStatus: integer;
            /**
             * HTTP response status text.
             */
            responseStatusText: string;
            /**
             * HTTP response type
             */
            responseType: CachedResponseType;
            /**
             * Response headers
             */
            responseHeaders: Header[];
        }

        /**
         * Cache identifier.
         */
        export interface Cache {
            /**
             * An opaque unique id of the cache.
             */
            cacheId: CacheId;
            /**
             * Security origin of the cache.
             */
            securityOrigin: string;
            /**
             * Storage key of the cache.
             */
            storageKey: string;
            /**
             * Storage bucket of the cache.
             */
            storageBucket?: Storage.StorageBucket;
            /**
             * The name of the cache.
             */
            cacheName: string;
        }

        export interface Header {
            name: string;
            value: string;
        }

        /**
         * Cached response
         */
        export interface CachedResponse {
            /**
             * Entry content, base64-encoded. (Encoded as a base64 string when passed over JSON)
             */
            body: string;
        }

        export interface DeleteCacheRequest {
            /**
             * Id of cache for deletion.
             */
            cacheId: CacheId;
        }

        export interface DeleteEntryRequest {
            /**
             * Id of cache where the entry will be deleted.
             */
            cacheId: CacheId;
            /**
             * URL spec of the request.
             */
            request: string;
        }

        export interface RequestCacheNamesRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
        }

        export interface RequestCacheNamesResponse {
            /**
             * Caches for the security origin.
             */
            caches: Cache[];
        }

        export interface RequestCachedResponseRequest {
            /**
             * Id of cache that contains the entry.
             */
            cacheId: CacheId;
            /**
             * URL spec of the request.
             */
            requestURL: string;
            /**
             * headers of the request.
             */
            requestHeaders: Header[];
        }

        export interface RequestCachedResponseResponse {
            /**
             * Response read from the cache.
             */
            response: CachedResponse;
        }

        export interface RequestEntriesRequest {
            /**
             * ID of cache to get entries from.
             */
            cacheId: CacheId;
            /**
             * Number of records to skip.
             */
            skipCount?: integer;
            /**
             * Number of records to fetch.
             */
            pageSize?: integer;
            /**
             * If present, only return the entries containing this substring in the path
             */
            pathFilter?: string;
        }

        export interface RequestEntriesResponse {
            /**
             * Array of object store data entries.
             */
            cacheDataEntries: DataEntry[];
            /**
             * Count of returned entries from this storage. If pathFilter is empty, it
             * is the count of all entries from this storage.
             */
            returnCount: number;
        }
    }

    /**
     * A domain for interacting with Cast, Presentation API, and Remote Playback API
     * functionalities.
     * @experimental
     */
    export namespace Cast {

        export interface Sink {
            name: string;
            id: string;
            /**
             * Text describing the current session. Present only if there is an active
             * session on the sink.
             */
            session?: string;
        }

        export interface EnableRequest {
            presentationUrl?: string;
        }

        export interface SetSinkToUseRequest {
            sinkName: string;
        }

        export interface StartDesktopMirroringRequest {
            sinkName: string;
        }

        export interface StartTabMirroringRequest {
            sinkName: string;
        }

        export interface StopCastingRequest {
            sinkName: string;
        }

        /**
         * This is fired whenever the list of available sinks changes. A sink is a
         * device or a software surface that you can cast to.
         */
        export interface SinksUpdatedEvent {
            sinks: Sink[];
        }

        /**
         * This is fired whenever the outstanding issue/error message changes.
         * |issueMessage| is empty if there is no issue.
         */
        export interface IssueUpdatedEvent {
            issueMessage: string;
        }
    }

    /**
     * This domain exposes DOM read/write operations. Each DOM Node is represented with its mirror object
     * that has an `id`. This `id` can be used to get additional information on the Node, resolve it into
     * the JavaScript object wrapper, etc. It is important that client receives DOM events only for the
     * nodes that are known to the client. Backend keeps track of the nodes that were sent to the client
     * and never sends the same node twice. It is client's responsibility to collect information about
     * the nodes that were sent to the client. Note that `iframe` owner elements will return
     * corresponding document elements as their child nodes.
     */
    export namespace DOM {

        /**
         * Unique DOM node identifier.
         */
        export type NodeId = integer;

        /**
         * Unique DOM node identifier used to reference a node that may not have been pushed to the
         * front-end.
         */
        export type BackendNodeId = integer;

        /**
         * Backend node with a friendly name.
         */
        export interface BackendNode {
            /**
             * `Node`'s nodeType.
             */
            nodeType: integer;
            /**
             * `Node`'s nodeName.
             */
            nodeName: string;
            backendNodeId: BackendNodeId;
        }

        /**
         * Pseudo element type.
         */
        export type PseudoType = ('first-line' | 'first-letter' | 'checkmark' | 'before' | 'after' | 'picker-icon' | 'interest-hint' | 'marker' | 'backdrop' | 'column' | 'selection' | 'search-text' | 'target-text' | 'spelling-error' | 'grammar-error' | 'highlight' | 'first-line-inherited' | 'scroll-marker' | 'scroll-marker-group' | 'scroll-button' | 'scrollbar' | 'scrollbar-thumb' | 'scrollbar-button' | 'scrollbar-track' | 'scrollbar-track-piece' | 'scrollbar-corner' | 'resizer' | 'input-list-button' | 'view-transition' | 'view-transition-group' | 'view-transition-image-pair' | 'view-transition-group-children' | 'view-transition-old' | 'view-transition-new' | 'placeholder' | 'file-selector-button' | 'details-content' | 'picker' | 'permission-icon');

        /**
         * Shadow root type.
         */
        export type ShadowRootType = ('user-agent' | 'open' | 'closed');

        /**
         * Document compatibility mode.
         */
        export type CompatibilityMode = ('QuirksMode' | 'LimitedQuirksMode' | 'NoQuirksMode');

        /**
         * ContainerSelector physical axes
         */
        export type PhysicalAxes = ('Horizontal' | 'Vertical' | 'Both');

        /**
         * ContainerSelector logical axes
         */
        export type LogicalAxes = ('Inline' | 'Block' | 'Both');

        /**
         * Physical scroll orientation
         */
        export type ScrollOrientation = ('horizontal' | 'vertical');

        /**
         * DOM interaction is implemented in terms of mirror objects that represent the actual DOM nodes.
         * DOMNode is a base node mirror type.
         */
        export interface Node {
            /**
             * Node identifier that is passed into the rest of the DOM messages as the `nodeId`. Backend
             * will only push node with given `id` once. It is aware of all requested nodes and will only
             * fire DOM events for nodes known to the client.
             */
            nodeId: NodeId;
            /**
             * The id of the parent node if any.
             */
            parentId?: NodeId;
            /**
             * The BackendNodeId for this node.
             */
            backendNodeId: BackendNodeId;
            /**
             * `Node`'s nodeType.
             */
            nodeType: integer;
            /**
             * `Node`'s nodeName.
             */
            nodeName: string;
            /**
             * `Node`'s localName.
             */
            localName: string;
            /**
             * `Node`'s nodeValue.
             */
            nodeValue: string;
            /**
             * Child count for `Container` nodes.
             */
            childNodeCount?: integer;
            /**
             * Child nodes of this node when requested with children.
             */
            children?: Node[];
            /**
             * Attributes of the `Element` node in the form of flat array `[name1, value1, name2, value2]`.
             */
            attributes?: string[];
            /**
             * Document URL that `Document` or `FrameOwner` node points to.
             */
            documentURL?: string;
            /**
             * Base URL that `Document` or `FrameOwner` node uses for URL completion.
             */
            baseURL?: string;
            /**
             * `DocumentType`'s publicId.
             */
            publicId?: string;
            /**
             * `DocumentType`'s systemId.
             */
            systemId?: string;
            /**
             * `DocumentType`'s internalSubset.
             */
            internalSubset?: string;
            /**
             * `Document`'s XML version in case of XML documents.
             */
            xmlVersion?: string;
            /**
             * `Attr`'s name.
             */
            name?: string;
            /**
             * `Attr`'s value.
             */
            value?: string;
            /**
             * Pseudo element type for this node.
             */
            pseudoType?: PseudoType;
            /**
             * Pseudo element identifier for this node. Only present if there is a
             * valid pseudoType.
             */
            pseudoIdentifier?: string;
            /**
             * Shadow root type.
             */
            shadowRootType?: ShadowRootType;
            /**
             * Frame ID for frame owner elements.
             */
            frameId?: Page.FrameId;
            /**
             * Content document for frame owner elements.
             */
            contentDocument?: Node;
            /**
             * Shadow root list for given element host.
             */
            shadowRoots?: Node[];
            /**
             * Content document fragment for template elements.
             */
            templateContent?: Node;
            /**
             * Pseudo elements associated with this node.
             */
            pseudoElements?: Node[];
            /**
             * Deprecated, as the HTML Imports API has been removed (crbug.com/937746).
             * This property used to return the imported document for the HTMLImport links.
             * The property is always undefined now.
             * @deprecated
             */
            importedDocument?: Node;
            /**
             * Distributed nodes for given insertion point.
             */
            distributedNodes?: BackendNode[];
            /**
             * Whether the node is SVG.
             */
            isSVG?: boolean;
            compatibilityMode?: CompatibilityMode;
            assignedSlot?: BackendNode;
            /**
             * @experimental
             */
            isScrollable?: boolean;
            /**
             * @experimental
             */
            affectedByStartingStyles?: boolean;
        }

        /**
         * A structure to hold the top-level node of a detached tree and an array of its retained descendants.
         */
        export interface DetachedElementInfo {
            treeNode: Node;
            retainedNodeIds: NodeId[];
        }

        /**
         * A structure holding an RGBA color.
         */
        export interface RGBA {
            /**
             * The red component, in the [0-255] range.
             */
            r: integer;
            /**
             * The green component, in the [0-255] range.
             */
            g: integer;
            /**
             * The blue component, in the [0-255] range.
             */
            b: integer;
            /**
             * The alpha component, in the [0-1] range (default: 1).
             */
            a?: number;
        }

        /**
         * An array of quad vertices, x immediately followed by y for each point, points clock-wise.
         */
        export type Quad = number[];

        /**
         * Box model.
         */
        export interface BoxModel {
            /**
             * Content box
             */
            content: Quad;
            /**
             * Padding box
             */
            padding: Quad;
            /**
             * Border box
             */
            border: Quad;
            /**
             * Margin box
             */
            margin: Quad;
            /**
             * Node width
             */
            width: integer;
            /**
             * Node height
             */
            height: integer;
            /**
             * Shape outside coordinates
             */
            shapeOutside?: ShapeOutsideInfo;
        }

        /**
         * CSS Shape Outside details.
         */
        export interface ShapeOutsideInfo {
            /**
             * Shape bounds
             */
            bounds: Quad;
            /**
             * Shape coordinate details
             */
            shape: any[];
            /**
             * Margin shape bounds
             */
            marginShape: any[];
        }

        /**
         * Rectangle.
         */
        export interface Rect {
            /**
             * X coordinate
             */
            x: number;
            /**
             * Y coordinate
             */
            y: number;
            /**
             * Rectangle width
             */
            width: number;
            /**
             * Rectangle height
             */
            height: number;
        }

        export interface CSSComputedStyleProperty {
            /**
             * Computed style property name.
             */
            name: string;
            /**
             * Computed style property value.
             */
            value: string;
        }

        export interface CollectClassNamesFromSubtreeRequest {
            /**
             * Id of the node to collect class names.
             */
            nodeId: NodeId;
        }

        export interface CollectClassNamesFromSubtreeResponse {
            /**
             * Class name list.
             */
            classNames: string[];
        }

        export interface CopyToRequest {
            /**
             * Id of the node to copy.
             */
            nodeId: NodeId;
            /**
             * Id of the element to drop the copy into.
             */
            targetNodeId: NodeId;
            /**
             * Drop the copy before this node (if absent, the copy becomes the last child of
             * `targetNodeId`).
             */
            insertBeforeNodeId?: NodeId;
        }

        export interface CopyToResponse {
            /**
             * Id of the node clone.
             */
            nodeId: NodeId;
        }

        export interface DescribeNodeRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface DescribeNodeResponse {
            /**
             * Node description.
             */
            node: Node;
        }

        export interface ScrollIntoViewIfNeededRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * The rect to be scrolled into view, relative to the node's border box, in CSS pixels.
             * When omitted, center of the node will be used, similar to Element.scrollIntoView.
             */
            rect?: Rect;
        }

        export interface DiscardSearchResultsRequest {
            /**
             * Unique search session identifier.
             */
            searchId: string;
        }

        export const enum EnableRequestIncludeWhitespace {
            None = 'none',
            All = 'all',
        }

        export interface EnableRequest {
            /**
             * Whether to include whitespaces in the children array of returned Nodes.
             * @experimental
             */
            includeWhitespace?: ('none' | 'all');
        }

        export interface FocusRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetAttributesRequest {
            /**
             * Id of the node to retrieve attributes for.
             */
            nodeId: NodeId;
        }

        export interface GetAttributesResponse {
            /**
             * An interleaved array of node attribute names and values.
             */
            attributes: string[];
        }

        export interface GetBoxModelRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetBoxModelResponse {
            /**
             * Box model for the node.
             */
            model: BoxModel;
        }

        export interface GetContentQuadsRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface GetContentQuadsResponse {
            /**
             * Quads that describe node layout relative to viewport.
             */
            quads: Quad[];
        }

        export interface GetDocumentRequest {
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface GetDocumentResponse {
            /**
             * Resulting node.
             */
            root: Node;
        }

        export interface GetFlattenedDocumentRequest {
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface GetFlattenedDocumentResponse {
            /**
             * Resulting node.
             */
            nodes: Node[];
        }

        export interface GetNodesForSubtreeByStyleRequest {
            /**
             * Node ID pointing to the root of a subtree.
             */
            nodeId: NodeId;
            /**
             * The style to filter nodes by (includes nodes if any of properties matches).
             */
            computedStyles: CSSComputedStyleProperty[];
            /**
             * Whether or not iframes and shadow roots in the same target should be traversed when returning the
             * results (default is false).
             */
            pierce?: boolean;
        }

        export interface GetNodesForSubtreeByStyleResponse {
            /**
             * Resulting nodes.
             */
            nodeIds: NodeId[];
        }

        export interface GetNodeForLocationRequest {
            /**
             * X coordinate.
             */
            x: integer;
            /**
             * Y coordinate.
             */
            y: integer;
            /**
             * False to skip to the nearest non-UA shadow root ancestor (default: false).
             */
            includeUserAgentShadowDOM?: boolean;
            /**
             * Whether to ignore pointer-events: none on elements and hit test them.
             */
            ignorePointerEventsNone?: boolean;
        }

        export interface GetNodeForLocationResponse {
            /**
             * Resulting node.
             */
            backendNodeId: BackendNodeId;
            /**
             * Frame this node belongs to.
             */
            frameId: Page.FrameId;
            /**
             * Id of the node at given coordinates, only when enabled and requested document.
             */
            nodeId?: NodeId;
        }

        export interface GetOuterHTMLRequest {
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * Include all shadow roots. Equals to false if not specified.
             * @experimental
             */
            includeShadowDOM?: boolean;
        }

        export interface GetOuterHTMLResponse {
            /**
             * Outer HTML markup.
             */
            outerHTML: string;
        }

        export interface GetRelayoutBoundaryRequest {
            /**
             * Id of the node.
             */
            nodeId: NodeId;
        }

        export interface GetRelayoutBoundaryResponse {
            /**
             * Relayout boundary node id for the given node.
             */
            nodeId: NodeId;
        }

        export interface GetSearchResultsRequest {
            /**
             * Unique search session identifier.
             */
            searchId: string;
            /**
             * Start index of the search result to be returned.
             */
            fromIndex: integer;
            /**
             * End index of the search result to be returned.
             */
            toIndex: integer;
        }

        export interface GetSearchResultsResponse {
            /**
             * Ids of the search result nodes.
             */
            nodeIds: NodeId[];
        }

        export interface MoveToRequest {
            /**
             * Id of the node to move.
             */
            nodeId: NodeId;
            /**
             * Id of the element to drop the moved node into.
             */
            targetNodeId: NodeId;
            /**
             * Drop node before this one (if absent, the moved node becomes the last child of
             * `targetNodeId`).
             */
            insertBeforeNodeId?: NodeId;
        }

        export interface MoveToResponse {
            /**
             * New id of the moved node.
             */
            nodeId: NodeId;
        }

        export interface PerformSearchRequest {
            /**
             * Plain text or query selector or XPath search query.
             */
            query: string;
            /**
             * True to search in user agent shadow DOM.
             */
            includeUserAgentShadowDOM?: boolean;
        }

        export interface PerformSearchResponse {
            /**
             * Unique search session identifier.
             */
            searchId: string;
            /**
             * Number of search results.
             */
            resultCount: integer;
        }

        export interface PushNodeByPathToFrontendRequest {
            /**
             * Path to node in the proprietary format.
             */
            path: string;
        }

        export interface PushNodeByPathToFrontendResponse {
            /**
             * Id of the node for given path.
             */
            nodeId: NodeId;
        }

        export interface PushNodesByBackendIdsToFrontendRequest {
            /**
             * The array of backend node ids.
             */
            backendNodeIds: BackendNodeId[];
        }

        export interface PushNodesByBackendIdsToFrontendResponse {
            /**
             * The array of ids of pushed nodes that correspond to the backend ids specified in
             * backendNodeIds.
             */
            nodeIds: NodeId[];
        }

        export interface QuerySelectorRequest {
            /**
             * Id of the node to query upon.
             */
            nodeId: NodeId;
            /**
             * Selector string.
             */
            selector: string;
        }

        export interface QuerySelectorResponse {
            /**
             * Query selector result.
             */
            nodeId: NodeId;
        }

        export interface QuerySelectorAllRequest {
            /**
             * Id of the node to query upon.
             */
            nodeId: NodeId;
            /**
             * Selector string.
             */
            selector: string;
        }

        export interface QuerySelectorAllResponse {
            /**
             * Query selector result.
             */
            nodeIds: NodeId[];
        }

        export interface GetTopLayerElementsResponse {
            /**
             * NodeIds of top layer elements
             */
            nodeIds: NodeId[];
        }

        export const enum GetElementByRelationRequestRelation {
            PopoverTarget = 'PopoverTarget',
            InterestTarget = 'InterestTarget',
            CommandFor = 'CommandFor',
        }

        export interface GetElementByRelationRequest {
            /**
             * Id of the node from which to query the relation.
             */
            nodeId: NodeId;
            /**
             * Type of relation to get.
             */
            relation: ('PopoverTarget' | 'InterestTarget' | 'CommandFor');
        }

        export interface GetElementByRelationResponse {
            /**
             * NodeId of the element matching the queried relation.
             */
            nodeId: NodeId;
        }

        export interface RemoveAttributeRequest {
            /**
             * Id of the element to remove attribute from.
             */
            nodeId: NodeId;
            /**
             * Name of the attribute to remove.
             */
            name: string;
        }

        export interface RemoveNodeRequest {
            /**
             * Id of the node to remove.
             */
            nodeId: NodeId;
        }

        export interface RequestChildNodesRequest {
            /**
             * Id of the node to get children for.
             */
            nodeId: NodeId;
            /**
             * The maximum depth at which children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the sub-tree
             * (default is false).
             */
            pierce?: boolean;
        }

        export interface RequestNodeRequest {
            /**
             * JavaScript object id to convert into node.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface RequestNodeResponse {
            /**
             * Node id for given object.
             */
            nodeId: NodeId;
        }

        export interface ResolveNodeRequest {
            /**
             * Id of the node to resolve.
             */
            nodeId?: NodeId;
            /**
             * Backend identifier of the node to resolve.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * Symbolic group name that can be used to release multiple objects.
             */
            objectGroup?: string;
            /**
             * Execution context in which to resolve the node.
             */
            executionContextId?: Runtime.ExecutionContextId;
        }

        export interface ResolveNodeResponse {
            /**
             * JavaScript object wrapper for given node.
             */
            object: Runtime.RemoteObject;
        }

        export interface SetAttributeValueRequest {
            /**
             * Id of the element to set attribute for.
             */
            nodeId: NodeId;
            /**
             * Attribute name.
             */
            name: string;
            /**
             * Attribute value.
             */
            value: string;
        }

        export interface SetAttributesAsTextRequest {
            /**
             * Id of the element to set attributes for.
             */
            nodeId: NodeId;
            /**
             * Text with a number of attributes. Will parse this text using HTML parser.
             */
            text: string;
            /**
             * Attribute name to replace with new attributes derived from text in case text parsed
             * successfully.
             */
            name?: string;
        }

        export interface SetFileInputFilesRequest {
            /**
             * Array of file paths to set.
             */
            files: string[];
            /**
             * Identifier of the node.
             */
            nodeId?: NodeId;
            /**
             * Identifier of the backend node.
             */
            backendNodeId?: BackendNodeId;
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface SetNodeStackTracesEnabledRequest {
            /**
             * Enable or disable.
             */
            enable: boolean;
        }

        export interface GetNodeStackTracesRequest {
            /**
             * Id of the node to get stack traces for.
             */
            nodeId: NodeId;
        }

        export interface GetNodeStackTracesResponse {
            /**
             * Creation stack trace, if available.
             */
            creation?: Runtime.StackTrace;
        }

        export interface GetFileInfoRequest {
            /**
             * JavaScript object id of the node wrapper.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface GetFileInfoResponse {
            path: string;
        }

        export interface GetDetachedDomNodesResponse {
            /**
             * The list of detached nodes
             */
            detachedNodes: DetachedElementInfo[];
        }

        export interface SetInspectedNodeRequest {
            /**
             * DOM node id to be accessible by means of $x command line API.
             */
            nodeId: NodeId;
        }

        export interface SetNodeNameRequest {
            /**
             * Id of the node to set name for.
             */
            nodeId: NodeId;
            /**
             * New node's name.
             */
            name: string;
        }

        export interface SetNodeNameResponse {
            /**
             * New node's id.
             */
            nodeId: NodeId;
        }

        export interface SetNodeValueRequest {
            /**
             * Id of the node to set value for.
             */
            nodeId: NodeId;
            /**
             * New node's value.
             */
            value: string;
        }

        export interface SetOuterHTMLRequest {
            /**
             * Id of the node to set markup for.
             */
            nodeId: NodeId;
            /**
             * Outer HTML markup to set.
             */
            outerHTML: string;
        }

        export interface GetFrameOwnerRequest {
            frameId: Page.FrameId;
        }

        export interface GetFrameOwnerResponse {
            /**
             * Resulting node.
             */
            backendNodeId: BackendNodeId;
            /**
             * Id of the node at given coordinates, only when enabled and requested document.
             */
            nodeId?: NodeId;
        }

        export interface GetContainerForNodeRequest {
            nodeId: NodeId;
            containerName?: string;
            physicalAxes?: PhysicalAxes;
            logicalAxes?: LogicalAxes;
            queriesScrollState?: boolean;
            queriesAnchored?: boolean;
        }

        export interface GetContainerForNodeResponse {
            /**
             * The container node for the given node, or null if not found.
             */
            nodeId?: NodeId;
        }

        export interface GetQueryingDescendantsForContainerRequest {
            /**
             * Id of the container node to find querying descendants from.
             */
            nodeId: NodeId;
        }

        export interface GetQueryingDescendantsForContainerResponse {
            /**
             * Descendant nodes with container queries against the given container.
             */
            nodeIds: NodeId[];
        }

        export interface GetAnchorElementRequest {
            /**
             * Id of the positioned element from which to find the anchor.
             */
            nodeId: NodeId;
            /**
             * An optional anchor specifier, as defined in
             * https://www.w3.org/TR/css-anchor-position-1/#anchor-specifier.
             * If not provided, it will return the implicit anchor element for
             * the given positioned element.
             */
            anchorSpecifier?: string;
        }

        export interface GetAnchorElementResponse {
            /**
             * The anchor element of the given anchor query.
             */
            nodeId: NodeId;
        }

        export interface ForceShowPopoverRequest {
            /**
             * Id of the popover HTMLElement
             */
            nodeId: NodeId;
            /**
             * If true, opens the popover and keeps it open. If false, closes the
             * popover if it was previously force-opened.
             */
            enable: boolean;
        }

        export interface ForceShowPopoverResponse {
            /**
             * List of popovers that were closed in order to respect popover stacking order.
             */
            nodeIds: NodeId[];
        }

        /**
         * Fired when `Element`'s attribute is modified.
         */
        export interface AttributeModifiedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * Attribute name.
             */
            name: string;
            /**
             * Attribute value.
             */
            value: string;
        }

        /**
         * Fired when `Element`'s attribute is removed.
         */
        export interface AttributeRemovedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * A ttribute name.
             */
            name: string;
        }

        /**
         * Mirrors `DOMCharacterDataModified` event.
         */
        export interface CharacterDataModifiedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * New text value.
             */
            characterData: string;
        }

        /**
         * Fired when `Container`'s child node count has changed.
         */
        export interface ChildNodeCountUpdatedEvent {
            /**
             * Id of the node that has changed.
             */
            nodeId: NodeId;
            /**
             * New node count.
             */
            childNodeCount: integer;
        }

        /**
         * Mirrors `DOMNodeInserted` event.
         */
        export interface ChildNodeInsertedEvent {
            /**
             * Id of the node that has changed.
             */
            parentNodeId: NodeId;
            /**
             * Id of the previous sibling.
             */
            previousNodeId: NodeId;
            /**
             * Inserted node data.
             */
            node: Node;
        }

        /**
         * Mirrors `DOMNodeRemoved` event.
         */
        export interface ChildNodeRemovedEvent {
            /**
             * Parent id.
             */
            parentNodeId: NodeId;
            /**
             * Id of the node that has been removed.
             */
            nodeId: NodeId;
        }

        /**
         * Called when distribution is changed.
         * @experimental
         */
        export interface DistributedNodesUpdatedEvent {
            /**
             * Insertion point where distributed nodes were updated.
             */
            insertionPointId: NodeId;
            /**
             * Distributed nodes for given insertion point.
             */
            distributedNodes: BackendNode[];
        }

        /**
         * Fired when `Element`'s inline style is modified via a CSS property modification.
         * @experimental
         */
        export interface InlineStyleInvalidatedEvent {
            /**
             * Ids of the nodes for which the inline styles have been invalidated.
             */
            nodeIds: NodeId[];
        }

        /**
         * Called when a pseudo element is added to an element.
         * @experimental
         */
        export interface PseudoElementAddedEvent {
            /**
             * Pseudo element's parent element id.
             */
            parentId: NodeId;
            /**
             * The added pseudo element.
             */
            pseudoElement: Node;
        }

        /**
         * Fired when a node's scrollability state changes.
         * @experimental
         */
        export interface ScrollableFlagUpdatedEvent {
            /**
             * The id of the node.
             */
            nodeId: DOM.NodeId;
            /**
             * If the node is scrollable.
             */
            isScrollable: boolean;
        }

        /**
         * Fired when a node's starting styles changes.
         * @experimental
         */
        export interface AffectedByStartingStylesFlagUpdatedEvent {
            /**
             * The id of the node.
             */
            nodeId: DOM.NodeId;
            /**
             * If the node has starting styles.
             */
            affectedByStartingStyles: boolean;
        }

        /**
         * Called when a pseudo element is removed from an element.
         * @experimental
         */
        export interface PseudoElementRemovedEvent {
            /**
             * Pseudo element's parent element id.
             */
            parentId: NodeId;
            /**
             * The removed pseudo element id.
             */
            pseudoElementId: NodeId;
        }

        /**
         * Fired when backend wants to provide client with the missing DOM structure. This happens upon
         * most of the calls requesting node ids.
         */
        export interface SetChildNodesEvent {
            /**
             * Parent node id to populate with children.
             */
            parentId: NodeId;
            /**
             * Child nodes array.
             */
            nodes: Node[];
        }

        /**
         * Called when shadow root is popped from the element.
         * @experimental
         */
        export interface ShadowRootPoppedEvent {
            /**
             * Host element id.
             */
            hostId: NodeId;
            /**
             * Shadow root id.
             */
            rootId: NodeId;
        }

        /**
         * Called when shadow root is pushed into the element.
         * @experimental
         */
        export interface ShadowRootPushedEvent {
            /**
             * Host element id.
             */
            hostId: NodeId;
            /**
             * Shadow root.
             */
            root: Node;
        }
    }

    /**
     * DOM debugging allows setting breakpoints on particular DOM operations and events. JavaScript
     * execution will stop on these operations as if there was a regular breakpoint set.
     */
    export namespace DOMDebugger {

        /**
         * DOM breakpoint type.
         */
        export type DOMBreakpointType = ('subtree-modified' | 'attribute-modified' | 'node-removed');

        /**
         * CSP Violation type.
         * @experimental
         */
        export type CSPViolationType = ('trustedtype-sink-violation' | 'trustedtype-policy-violation');

        /**
         * Object event listener.
         */
        export interface EventListener {
            /**
             * `EventListener`'s type.
             */
            type: string;
            /**
             * `EventListener`'s useCapture.
             */
            useCapture: boolean;
            /**
             * `EventListener`'s passive flag.
             */
            passive: boolean;
            /**
             * `EventListener`'s once flag.
             */
            once: boolean;
            /**
             * Script id of the handler code.
             */
            scriptId: Runtime.ScriptId;
            /**
             * Line number in the script (0-based).
             */
            lineNumber: integer;
            /**
             * Column number in the script (0-based).
             */
            columnNumber: integer;
            /**
             * Event handler function value.
             */
            handler?: Runtime.RemoteObject;
            /**
             * Event original handler function value.
             */
            originalHandler?: Runtime.RemoteObject;
            /**
             * Node the listener is added to (if any).
             */
            backendNodeId?: DOM.BackendNodeId;
        }

        export interface GetEventListenersRequest {
            /**
             * Identifier of the object to return listeners for.
             */
            objectId: Runtime.RemoteObjectId;
            /**
             * The maximum depth at which Node children should be retrieved, defaults to 1. Use -1 for the
             * entire subtree or provide an integer larger than 0.
             */
            depth?: integer;
            /**
             * Whether or not iframes and shadow roots should be traversed when returning the subtree
             * (default is false). Reports listeners for all contexts if pierce is enabled.
             */
            pierce?: boolean;
        }

        export interface GetEventListenersResponse {
            /**
             * Array of relevant listeners.
             */
            listeners: EventListener[];
        }

        export interface RemoveDOMBreakpointRequest {
            /**
             * Identifier of the node to remove breakpoint from.
             */
            nodeId: DOM.NodeId;
            /**
             * Type of the breakpoint to remove.
             */
            type: DOMBreakpointType;
        }

        export interface RemoveEventListenerBreakpointRequest {
            /**
             * Event name.
             */
            eventName: string;
            /**
             * EventTarget interface name.
             * @experimental
             */
            targetName?: string;
        }

        export interface RemoveInstrumentationBreakpointRequest {
            /**
             * Instrumentation name to stop on.
             */
            eventName: string;
        }

        export interface RemoveXHRBreakpointRequest {
            /**
             * Resource URL substring.
             */
            url: string;
        }

        export interface SetBreakOnCSPViolationRequest {
            /**
             * CSP Violations to stop upon.
             */
            violationTypes: CSPViolationType[];
        }

        export interface SetDOMBreakpointRequest {
            /**
             * Identifier of the node to set breakpoint on.
             */
            nodeId: DOM.NodeId;
            /**
             * Type of the operation to stop upon.
             */
            type: DOMBreakpointType;
        }

        export interface SetEventListenerBreakpointRequest {
            /**
             * DOM Event name to stop on (any DOM event will do).
             */
            eventName: string;
            /**
             * EventTarget interface name to stop on. If equal to `"*"` or not provided, will stop on any
             * EventTarget.
             * @experimental
             */
            targetName?: string;
        }

        export interface SetInstrumentationBreakpointRequest {
            /**
             * Instrumentation name to stop on.
             */
            eventName: string;
        }

        export interface SetXHRBreakpointRequest {
            /**
             * Resource URL substring. All XHRs having this substring in the URL will get stopped upon.
             */
            url: string;
        }
    }

    /**
     * This domain facilitates obtaining document snapshots with DOM, layout, and style information.
     * @experimental
     */
    export namespace DOMSnapshot {

        /**
         * A Node in the DOM tree.
         */
        export interface DOMNode {
            /**
             * `Node`'s nodeType.
             */
            nodeType: integer;
            /**
             * `Node`'s nodeName.
             */
            nodeName: string;
            /**
             * `Node`'s nodeValue.
             */
            nodeValue: string;
            /**
             * Only set for textarea elements, contains the text value.
             */
            textValue?: string;
            /**
             * Only set for input elements, contains the input's associated text value.
             */
            inputValue?: string;
            /**
             * Only set for radio and checkbox input elements, indicates if the element has been checked
             */
            inputChecked?: boolean;
            /**
             * Only set for option elements, indicates if the element has been selected
             */
            optionSelected?: boolean;
            /**
             * `Node`'s id, corresponds to DOM.Node.backendNodeId.
             */
            backendNodeId: DOM.BackendNodeId;
            /**
             * The indexes of the node's child nodes in the `domNodes` array returned by `getSnapshot`, if
             * any.
             */
            childNodeIndexes?: integer[];
            /**
             * Attributes of an `Element` node.
             */
            attributes?: NameValue[];
            /**
             * Indexes of pseudo elements associated with this node in the `domNodes` array returned by
             * `getSnapshot`, if any.
             */
            pseudoElementIndexes?: integer[];
            /**
             * The index of the node's related layout tree node in the `layoutTreeNodes` array returned by
             * `getSnapshot`, if any.
             */
            layoutNodeIndex?: integer;
            /**
             * Document URL that `Document` or `FrameOwner` node points to.
             */
            documentURL?: string;
            /**
             * Base URL that `Document` or `FrameOwner` node uses for URL completion.
             */
            baseURL?: string;
            /**
             * Only set for documents, contains the document's content language.
             */
            contentLanguage?: string;
            /**
             * Only set for documents, contains the document's character set encoding.
             */
            documentEncoding?: string;
            /**
             * `DocumentType` node's publicId.
             */
            publicId?: string;
            /**
             * `DocumentType` node's systemId.
             */
            systemId?: string;
            /**
             * Frame ID for frame owner elements and also for the document node.
             */
            frameId?: Page.FrameId;
            /**
             * The index of a frame owner element's content document in the `domNodes` array returned by
             * `getSnapshot`, if any.
             */
            contentDocumentIndex?: integer;
            /**
             * Type of a pseudo element node.
             */
            pseudoType?: DOM.PseudoType;
            /**
             * Shadow root type.
             */
            shadowRootType?: DOM.ShadowRootType;
            /**
             * Whether this DOM node responds to mouse clicks. This includes nodes that have had click
             * event listeners attached via JavaScript as well as anchor tags that naturally navigate when
             * clicked.
             */
            isClickable?: boolean;
            /**
             * Details of the node's event listeners, if any.
             */
            eventListeners?: DOMDebugger.EventListener[];
            /**
             * The selected url for nodes with a srcset attribute.
             */
            currentSourceURL?: string;
            /**
             * The url of the script (if any) that generates this node.
             */
            originURL?: string;
            /**
             * Scroll offsets, set when this node is a Document.
             */
            scrollOffsetX?: number;
            scrollOffsetY?: number;
        }

        /**
         * Details of post layout rendered text positions. The exact layout should not be regarded as
         * stable and may change between versions.
         */
        export interface InlineTextBox {
            /**
             * The bounding box in document coordinates. Note that scroll offset of the document is ignored.
             */
            boundingBox: DOM.Rect;
            /**
             * The starting index in characters, for this post layout textbox substring. Characters that
             * would be represented as a surrogate pair in UTF-16 have length 2.
             */
            startCharacterIndex: integer;
            /**
             * The number of characters in this post layout textbox substring. Characters that would be
             * represented as a surrogate pair in UTF-16 have length 2.
             */
            numCharacters: integer;
        }

        /**
         * Details of an element in the DOM tree with a LayoutObject.
         */
        export interface LayoutTreeNode {
            /**
             * The index of the related DOM node in the `domNodes` array returned by `getSnapshot`.
             */
            domNodeIndex: integer;
            /**
             * The bounding box in document coordinates. Note that scroll offset of the document is ignored.
             */
            boundingBox: DOM.Rect;
            /**
             * Contents of the LayoutText, if any.
             */
            layoutText?: string;
            /**
             * The post-layout inline text nodes, if any.
             */
            inlineTextNodes?: InlineTextBox[];
            /**
             * Index into the `computedStyles` array returned by `getSnapshot`.
             */
            styleIndex?: integer;
            /**
             * Global paint order index, which is determined by the stacking order of the nodes. Nodes
             * that are painted together will have the same index. Only provided if includePaintOrder in
             * getSnapshot was true.
             */
            paintOrder?: integer;
            /**
             * Set to true to indicate the element begins a new stacking context.
             */
            isStackingContext?: boolean;
        }

        /**
         * A subset of the full ComputedStyle as defined by the request whitelist.
         */
        export interface ComputedStyle {
            /**
             * Name/value pairs of computed style properties.
             */
            properties: NameValue[];
        }

        /**
         * A name/value pair.
         */
        export interface NameValue {
            /**
             * Attribute/property name.
             */
            name: string;
            /**
             * Attribute/property value.
             */
            value: string;
        }

        /**
         * Index of the string in the strings table.
         */
        export type StringIndex = integer;

        /**
         * Index of the string in the strings table.
         */
        export type ArrayOfStrings = StringIndex[];

        /**
         * Data that is only present on rare nodes.
         */
        export interface RareStringData {
            index: integer[];
            value: StringIndex[];
        }

        export interface RareBooleanData {
            index: integer[];
        }

        export interface RareIntegerData {
            index: integer[];
            value: integer[];
        }

        export type Rectangle = number[];

        /**
         * Document snapshot.
         */
        export interface DocumentSnapshot {
            /**
             * Document URL that `Document` or `FrameOwner` node points to.
             */
            documentURL: StringIndex;
            /**
             * Document title.
             */
            title: StringIndex;
            /**
             * Base URL that `Document` or `FrameOwner` node uses for URL completion.
             */
            baseURL: StringIndex;
            /**
             * Contains the document's content language.
             */
            contentLanguage: StringIndex;
            /**
             * Contains the document's character set encoding.
             */
            encodingName: StringIndex;
            /**
             * `DocumentType` node's publicId.
             */
            publicId: StringIndex;
            /**
             * `DocumentType` node's systemId.
             */
            systemId: StringIndex;
            /**
             * Frame ID for frame owner elements and also for the document node.
             */
            frameId: StringIndex;
            /**
             * A table with dom nodes.
             */
            nodes: NodeTreeSnapshot;
            /**
             * The nodes in the layout tree.
             */
            layout: LayoutTreeSnapshot;
            /**
             * The post-layout inline text nodes.
             */
            textBoxes: TextBoxSnapshot;
            /**
             * Horizontal scroll offset.
             */
            scrollOffsetX?: number;
            /**
             * Vertical scroll offset.
             */
            scrollOffsetY?: number;
            /**
             * Document content width.
             */
            contentWidth?: number;
            /**
             * Document content height.
             */
            contentHeight?: number;
        }

        /**
         * Table containing nodes.
         */
        export interface NodeTreeSnapshot {
            /**
             * Parent node index.
             */
            parentIndex?: integer[];
            /**
             * `Node`'s nodeType.
             */
            nodeType?: integer[];
            /**
             * Type of the shadow root the `Node` is in. String values are equal to the `ShadowRootType` enum.
             */
            shadowRootType?: RareStringData;
            /**
             * `Node`'s nodeName.
             */
            nodeName?: StringIndex[];
            /**
             * `Node`'s nodeValue.
             */
            nodeValue?: StringIndex[];
            /**
             * `Node`'s id, corresponds to DOM.Node.backendNodeId.
             */
            backendNodeId?: DOM.BackendNodeId[];
            /**
             * Attributes of an `Element` node. Flatten name, value pairs.
             */
            attributes?: ArrayOfStrings[];
            /**
             * Only set for textarea elements, contains the text value.
             */
            textValue?: RareStringData;
            /**
             * Only set for input elements, contains the input's associated text value.
             */
            inputValue?: RareStringData;
            /**
             * Only set for radio and checkbox input elements, indicates if the element has been checked
             */
            inputChecked?: RareBooleanData;
            /**
             * Only set for option elements, indicates if the element has been selected
             */
            optionSelected?: RareBooleanData;
            /**
             * The index of the document in the list of the snapshot documents.
             */
            contentDocumentIndex?: RareIntegerData;
            /**
             * Type of a pseudo element node.
             */
            pseudoType?: RareStringData;
            /**
             * Pseudo element identifier for this node. Only present if there is a
             * valid pseudoType.
             */
            pseudoIdentifier?: RareStringData;
            /**
             * Whether this DOM node responds to mouse clicks. This includes nodes that have had click
             * event listeners attached via JavaScript as well as anchor tags that naturally navigate when
             * clicked.
             */
            isClickable?: RareBooleanData;
            /**
             * The selected url for nodes with a srcset attribute.
             */
            currentSourceURL?: RareStringData;
            /**
             * The url of the script (if any) that generates this node.
             */
            originURL?: RareStringData;
        }

        /**
         * Table of details of an element in the DOM tree with a LayoutObject.
         */
        export interface LayoutTreeSnapshot {
            /**
             * Index of the corresponding node in the `NodeTreeSnapshot` array returned by `captureSnapshot`.
             */
            nodeIndex: integer[];
            /**
             * Array of indexes specifying computed style strings, filtered according to the `computedStyles` parameter passed to `captureSnapshot`.
             */
            styles: ArrayOfStrings[];
            /**
             * The absolute position bounding box.
             */
            bounds: Rectangle[];
            /**
             * Contents of the LayoutText, if any.
             */
            text: StringIndex[];
            /**
             * Stacking context information.
             */
            stackingContexts: RareBooleanData;
            /**
             * Global paint order index, which is determined by the stacking order of the nodes. Nodes
             * that are painted together will have the same index. Only provided if includePaintOrder in
             * captureSnapshot was true.
             */
            paintOrders?: integer[];
            /**
             * The offset rect of nodes. Only available when includeDOMRects is set to true
             */
            offsetRects?: Rectangle[];
            /**
             * The scroll rect of nodes. Only available when includeDOMRects is set to true
             */
            scrollRects?: Rectangle[];
            /**
             * The client rect of nodes. Only available when includeDOMRects is set to true
             */
            clientRects?: Rectangle[];
            /**
             * The list of background colors that are blended with colors of overlapping elements.
             * @experimental
             */
            blendedBackgroundColors?: StringIndex[];
            /**
             * The list of computed text opacities.
             * @experimental
             */
            textColorOpacities?: number[];
        }

        /**
         * Table of details of the post layout rendered text positions. The exact layout should not be regarded as
         * stable and may change between versions.
         */
        export interface TextBoxSnapshot {
            /**
             * Index of the layout tree node that owns this box collection.
             */
            layoutIndex: integer[];
            /**
             * The absolute position bounding box.
             */
            bounds: Rectangle[];
            /**
             * The starting index in characters, for this post layout textbox substring. Characters that
             * would be represented as a surrogate pair in UTF-16 have length 2.
             */
            start: integer[];
            /**
             * The number of characters in this post layout textbox substring. Characters that would be
             * represented as a surrogate pair in UTF-16 have length 2.
             */
            length: integer[];
        }

        export interface GetSnapshotRequest {
            /**
             * Whitelist of computed styles to return.
             */
            computedStyleWhitelist: string[];
            /**
             * Whether or not to retrieve details of DOM listeners (default false).
             */
            includeEventListeners?: boolean;
            /**
             * Whether to determine and include the paint order index of LayoutTreeNodes (default false).
             */
            includePaintOrder?: boolean;
            /**
             * Whether to include UA shadow tree in the snapshot (default false).
             */
            includeUserAgentShadowTree?: boolean;
        }

        export interface GetSnapshotResponse {
            /**
             * The nodes in the DOM tree. The DOMNode at index 0 corresponds to the root document.
             */
            domNodes: DOMNode[];
            /**
             * The nodes in the layout tree.
             */
            layoutTreeNodes: LayoutTreeNode[];
            /**
             * Whitelisted ComputedStyle properties for each node in the layout tree.
             */
            computedStyles: ComputedStyle[];
        }

        export interface CaptureSnapshotRequest {
            /**
             * Whitelist of computed styles to return.
             */
            computedStyles: string[];
            /**
             * Whether to include layout object paint orders into the snapshot.
             */
            includePaintOrder?: boolean;
            /**
             * Whether to include DOM rectangles (offsetRects, clientRects, scrollRects) into the snapshot
             */
            includeDOMRects?: boolean;
            /**
             * Whether to include blended background colors in the snapshot (default: false).
             * Blended background color is achieved by blending background colors of all elements
             * that overlap with the current element.
             * @experimental
             */
            includeBlendedBackgroundColors?: boolean;
            /**
             * Whether to include text color opacity in the snapshot (default: false).
             * An element might have the opacity property set that affects the text color of the element.
             * The final text color opacity is computed based on the opacity of all overlapping elements.
             * @experimental
             */
            includeTextColorOpacities?: boolean;
        }

        export interface CaptureSnapshotResponse {
            /**
             * The nodes in the DOM tree. The DOMNode at index 0 corresponds to the root document.
             */
            documents: DocumentSnapshot[];
            /**
             * Shared string table that all string properties refer to with indexes.
             */
            strings: string[];
        }
    }

    /**
     * Query and modify DOM storage.
     * @experimental
     */
    export namespace DOMStorage {

        export type SerializedStorageKey = string;

        /**
         * DOM Storage identifier.
         */
        export interface StorageId {
            /**
             * Security origin for the storage.
             */
            securityOrigin?: string;
            /**
             * Represents a key by which DOM Storage keys its CachedStorageAreas
             */
            storageKey?: SerializedStorageKey;
            /**
             * Whether the storage is local storage (not session storage).
             */
            isLocalStorage: boolean;
        }

        /**
         * DOM Storage item.
         */
        export type Item = string[];

        export interface ClearRequest {
            storageId: StorageId;
        }

        export interface GetDOMStorageItemsRequest {
            storageId: StorageId;
        }

        export interface GetDOMStorageItemsResponse {
            entries: Item[];
        }

        export interface RemoveDOMStorageItemRequest {
            storageId: StorageId;
            key: string;
        }

        export interface SetDOMStorageItemRequest {
            storageId: StorageId;
            key: string;
            value: string;
        }

        export interface DomStorageItemAddedEvent {
            storageId: StorageId;
            key: string;
            newValue: string;
        }

        export interface DomStorageItemRemovedEvent {
            storageId: StorageId;
            key: string;
        }

        export interface DomStorageItemUpdatedEvent {
            storageId: StorageId;
            key: string;
            oldValue: string;
            newValue: string;
        }

        export interface DomStorageItemsClearedEvent {
            storageId: StorageId;
        }
    }

    /**
     * @experimental
     */
    export namespace DeviceAccess {

        /**
         * Device request id.
         */
        export type RequestId = string;

        /**
         * A device id.
         */
        export type DeviceId = string;

        /**
         * Device information displayed in a user prompt to select a device.
         */
        export interface PromptDevice {
            id: DeviceId;
            /**
             * Display name as it appears in a device request user prompt.
             */
            name: string;
        }

        export interface SelectPromptRequest {
            id: RequestId;
            deviceId: DeviceId;
        }

        export interface CancelPromptRequest {
            id: RequestId;
        }

        /**
         * A device request opened a user prompt to select a device. Respond with the
         * selectPrompt or cancelPrompt command.
         */
        export interface DeviceRequestPromptedEvent {
            id: RequestId;
            devices: PromptDevice[];
        }
    }

    /**
     * @experimental
     */
    export namespace DeviceOrientation {

        export interface SetDeviceOrientationOverrideRequest {
            /**
             * Mock alpha
             */
            alpha: number;
            /**
             * Mock beta
             */
            beta: number;
            /**
             * Mock gamma
             */
            gamma: number;
        }
    }

    /**
     * This domain emulates different environments for the page.
     */
    export namespace Emulation {

        /**
         * @experimental
         */
        export interface SafeAreaInsets {
            /**
             * Overrides safe-area-inset-top.
             */
            top?: integer;
            /**
             * Overrides safe-area-max-inset-top.
             */
            topMax?: integer;
            /**
             * Overrides safe-area-inset-left.
             */
            left?: integer;
            /**
             * Overrides safe-area-max-inset-left.
             */
            leftMax?: integer;
            /**
             * Overrides safe-area-inset-bottom.
             */
            bottom?: integer;
            /**
             * Overrides safe-area-max-inset-bottom.
             */
            bottomMax?: integer;
            /**
             * Overrides safe-area-inset-right.
             */
            right?: integer;
            /**
             * Overrides safe-area-max-inset-right.
             */
            rightMax?: integer;
        }

        export const enum ScreenOrientationType {
            PortraitPrimary = 'portraitPrimary',
            PortraitSecondary = 'portraitSecondary',
            LandscapePrimary = 'landscapePrimary',
            LandscapeSecondary = 'landscapeSecondary',
        }

        /**
         * Screen orientation.
         */
        export interface ScreenOrientation {
            /**
             * Orientation type.
             */
            type: ('portraitPrimary' | 'portraitSecondary' | 'landscapePrimary' | 'landscapeSecondary');
            /**
             * Orientation angle.
             */
            angle: integer;
        }

        export const enum DisplayFeatureOrientation {
            Vertical = 'vertical',
            Horizontal = 'horizontal',
        }

        export interface DisplayFeature {
            /**
             * Orientation of a display feature in relation to screen
             */
            orientation: ('vertical' | 'horizontal');
            /**
             * The offset from the screen origin in either the x (for vertical
             * orientation) or y (for horizontal orientation) direction.
             */
            offset: integer;
            /**
             * A display feature may mask content such that it is not physically
             * displayed - this length along with the offset describes this area.
             * A display feature that only splits content will have a 0 mask_length.
             */
            maskLength: integer;
        }

        export const enum DevicePostureType {
            Continuous = 'continuous',
            Folded = 'folded',
        }

        export interface DevicePosture {
            /**
             * Current posture of the device
             */
            type: ('continuous' | 'folded');
        }

        export interface MediaFeature {
            name: string;
            value: string;
        }

        /**
         * advance: If the scheduler runs out of immediate work, the virtual time base may fast forward to
         * allow the next delayed task (if any) to run; pause: The virtual time base may not advance;
         * pauseIfNetworkFetchesPending: The virtual time base may not advance if there are any pending
         * resource fetches.
         * @experimental
         */
        export type VirtualTimePolicy = ('advance' | 'pause' | 'pauseIfNetworkFetchesPending');

        /**
         * Used to specify User Agent Client Hints to emulate. See https://wicg.github.io/ua-client-hints
         * @experimental
         */
        export interface UserAgentBrandVersion {
            brand: string;
            version: string;
        }

        /**
         * Used to specify User Agent Client Hints to emulate. See https://wicg.github.io/ua-client-hints
         * Missing optional values will be filled in by the target with what it would normally use.
         * @experimental
         */
        export interface UserAgentMetadata {
            /**
             * Brands appearing in Sec-CH-UA.
             */
            brands?: UserAgentBrandVersion[];
            /**
             * Brands appearing in Sec-CH-UA-Full-Version-List.
             */
            fullVersionList?: UserAgentBrandVersion[];
            /**
             * @deprecated
             */
            fullVersion?: string;
            platform: string;
            platformVersion: string;
            architecture: string;
            model: string;
            mobile: boolean;
            bitness?: string;
            wow64?: boolean;
            /**
             * Used to specify User Agent form-factor values.
             * See https://wicg.github.io/ua-client-hints/#sec-ch-ua-form-factors
             */
            formFactors?: string[];
        }

        /**
         * Used to specify sensor types to emulate.
         * See https://w3c.github.io/sensors/#automation for more information.
         * @experimental
         */
        export type SensorType = ('absolute-orientation' | 'accelerometer' | 'ambient-light' | 'gravity' | 'gyroscope' | 'linear-acceleration' | 'magnetometer' | 'relative-orientation');

        /**
         * @experimental
         */
        export interface SensorMetadata {
            available?: boolean;
            minimumFrequency?: number;
            maximumFrequency?: number;
        }

        /**
         * @experimental
         */
        export interface SensorReadingSingle {
            value: number;
        }

        /**
         * @experimental
         */
        export interface SensorReadingXYZ {
            x: number;
            y: number;
            z: number;
        }

        /**
         * @experimental
         */
        export interface SensorReadingQuaternion {
            x: number;
            y: number;
            z: number;
            w: number;
        }

        /**
         * @experimental
         */
        export interface SensorReading {
            single?: SensorReadingSingle;
            xyz?: SensorReadingXYZ;
            quaternion?: SensorReadingQuaternion;
        }

        /**
         * @experimental
         */
        export type PressureSource = ('cpu');

        /**
         * @experimental
         */
        export type PressureState = ('nominal' | 'fair' | 'serious' | 'critical');

        /**
         * @experimental
         */
        export interface PressureMetadata {
            available?: boolean;
        }

        /**
         * @experimental
         */
        export interface WorkAreaInsets {
            /**
             * Work area top inset in pixels. Default is 0;
             */
            top?: integer;
            /**
             * Work area left inset in pixels. Default is 0;
             */
            left?: integer;
            /**
             * Work area bottom inset in pixels. Default is 0;
             */
            bottom?: integer;
            /**
             * Work area right inset in pixels. Default is 0;
             */
            right?: integer;
        }

        /**
         * @experimental
         */
        export type ScreenId = string;

        /**
         * Screen information similar to the one returned by window.getScreenDetails() method,
         * see https://w3c.github.io/window-management/#screendetailed.
         * @experimental
         */
        export interface ScreenInfo {
            /**
             * Offset of the left edge of the screen.
             */
            left: integer;
            /**
             * Offset of the top edge of the screen.
             */
            top: integer;
            /**
             * Width of the screen.
             */
            width: integer;
            /**
             * Height of the screen.
             */
            height: integer;
            /**
             * Offset of the left edge of the available screen area.
             */
            availLeft: integer;
            /**
             * Offset of the top edge of the available screen area.
             */
            availTop: integer;
            /**
             * Width of the available screen area.
             */
            availWidth: integer;
            /**
             * Height of the available screen area.
             */
            availHeight: integer;
            /**
             * Specifies the screen's device pixel ratio.
             */
            devicePixelRatio: number;
            /**
             * Specifies the screen's orientation.
             */
            orientation: ScreenOrientation;
            /**
             * Specifies the screen's color depth in bits.
             */
            colorDepth: integer;
            /**
             * Indicates whether the device has multiple screens.
             */
            isExtended: boolean;
            /**
             * Indicates whether the screen is internal to the device or external, attached to the device.
             */
            isInternal: boolean;
            /**
             * Indicates whether the screen is set as the the operating system primary screen.
             */
            isPrimary: boolean;
            /**
             * Specifies the descriptive label for the screen.
             */
            label: string;
            /**
             * Specifies the unique identifier of the screen.
             */
            id: ScreenId;
        }

        /**
         * Enum of image types that can be disabled.
         * @experimental
         */
        export type DisabledImageType = ('avif' | 'webp');

        export interface CanEmulateResponse {
            /**
             * True if emulation is supported.
             */
            result: boolean;
        }

        export interface SetFocusEmulationEnabledRequest {
            /**
             * Whether to enable to disable focus emulation.
             */
            enabled: boolean;
        }

        export interface SetAutoDarkModeOverrideRequest {
            /**
             * Whether to enable or disable automatic dark mode.
             * If not specified, any existing override will be cleared.
             */
            enabled?: boolean;
        }

        export interface SetCPUThrottlingRateRequest {
            /**
             * Throttling rate as a slowdown factor (1 is no throttle, 2 is 2x slowdown, etc).
             */
            rate: number;
        }

        export interface SetDefaultBackgroundColorOverrideRequest {
            /**
             * RGBA of the default background color. If not specified, any existing override will be
             * cleared.
             */
            color?: DOM.RGBA;
        }

        export interface SetSafeAreaInsetsOverrideRequest {
            insets: SafeAreaInsets;
        }

        export interface SetDeviceMetricsOverrideRequest {
            /**
             * Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            width: integer;
            /**
             * Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            height: integer;
            /**
             * Overriding device scale factor value. 0 disables the override.
             */
            deviceScaleFactor: number;
            /**
             * Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text
             * autosizing and more.
             */
            mobile: boolean;
            /**
             * Scale to apply to resulting view image.
             * @experimental
             */
            scale?: number;
            /**
             * Overriding screen width value in pixels (minimum 0, maximum 10000000).
             * @experimental
             */
            screenWidth?: integer;
            /**
             * Overriding screen height value in pixels (minimum 0, maximum 10000000).
             * @experimental
             */
            screenHeight?: integer;
            /**
             * Overriding view X position on screen in pixels (minimum 0, maximum 10000000).
             * @experimental
             */
            positionX?: integer;
            /**
             * Overriding view Y position on screen in pixels (minimum 0, maximum 10000000).
             * @experimental
             */
            positionY?: integer;
            /**
             * Do not set visible view size, rely upon explicit setVisibleSize call.
             * @experimental
             */
            dontSetVisibleSize?: boolean;
            /**
             * Screen orientation override.
             */
            screenOrientation?: ScreenOrientation;
            /**
             * If set, the visible area of the page will be overridden to this viewport. This viewport
             * change is not observed by the page, e.g. viewport-relative elements do not change positions.
             * @experimental
             */
            viewport?: Page.Viewport;
            /**
             * If set, the display feature of a multi-segment screen. If not set, multi-segment support
             * is turned-off.
             * Deprecated, use Emulation.setDisplayFeaturesOverride.
             * @deprecated
             * @experimental
             */
            displayFeature?: DisplayFeature;
            /**
             * If set, the posture of a foldable device. If not set the posture is set
             * to continuous.
             * Deprecated, use Emulation.setDevicePostureOverride.
             * @deprecated
             * @experimental
             */
            devicePosture?: DevicePosture;
        }

        export interface SetDevicePostureOverrideRequest {
            posture: DevicePosture;
        }

        export interface SetDisplayFeaturesOverrideRequest {
            features: DisplayFeature[];
        }

        export interface SetScrollbarsHiddenRequest {
            /**
             * Whether scrollbars should be always hidden.
             */
            hidden: boolean;
        }

        export interface SetDocumentCookieDisabledRequest {
            /**
             * Whether document.coookie API should be disabled.
             */
            disabled: boolean;
        }

        export const enum SetEmitTouchEventsForMouseRequestConfiguration {
            Mobile = 'mobile',
            Desktop = 'desktop',
        }

        export interface SetEmitTouchEventsForMouseRequest {
            /**
             * Whether touch emulation based on mouse input should be enabled.
             */
            enabled: boolean;
            /**
             * Touch/gesture events configuration. Default: current platform.
             */
            configuration?: ('mobile' | 'desktop');
        }

        export interface SetEmulatedMediaRequest {
            /**
             * Media type to emulate. Empty string disables the override.
             */
            media?: string;
            /**
             * Media features to emulate.
             */
            features?: MediaFeature[];
        }

        export const enum SetEmulatedVisionDeficiencyRequestType {
            None = 'none',
            BlurredVision = 'blurredVision',
            ReducedContrast = 'reducedContrast',
            Achromatopsia = 'achromatopsia',
            Deuteranopia = 'deuteranopia',
            Protanopia = 'protanopia',
            Tritanopia = 'tritanopia',
        }

        export interface SetEmulatedVisionDeficiencyRequest {
            /**
             * Vision deficiency to emulate. Order: best-effort emulations come first, followed by any
             * physiologically accurate emulations for medically recognized color vision deficiencies.
             */
            type: ('none' | 'blurredVision' | 'reducedContrast' | 'achromatopsia' | 'deuteranopia' | 'protanopia' | 'tritanopia');
        }

        export interface SetEmulatedOSTextScaleRequest {
            scale?: number;
        }

        export interface SetGeolocationOverrideRequest {
            /**
             * Mock latitude
             */
            latitude?: number;
            /**
             * Mock longitude
             */
            longitude?: number;
            /**
             * Mock accuracy
             */
            accuracy?: number;
            /**
             * Mock altitude
             */
            altitude?: number;
            /**
             * Mock altitudeAccuracy
             */
            altitudeAccuracy?: number;
            /**
             * Mock heading
             */
            heading?: number;
            /**
             * Mock speed
             */
            speed?: number;
        }

        export interface GetOverriddenSensorInformationRequest {
            type: SensorType;
        }

        export interface GetOverriddenSensorInformationResponse {
            requestedSamplingFrequency: number;
        }

        export interface SetSensorOverrideEnabledRequest {
            enabled: boolean;
            type: SensorType;
            metadata?: SensorMetadata;
        }

        export interface SetSensorOverrideReadingsRequest {
            type: SensorType;
            reading: SensorReading;
        }

        export interface SetPressureSourceOverrideEnabledRequest {
            enabled: boolean;
            source: PressureSource;
            metadata?: PressureMetadata;
        }

        export interface SetPressureStateOverrideRequest {
            source: PressureSource;
            state: PressureState;
        }

        export interface SetPressureDataOverrideRequest {
            source: PressureSource;
            state: PressureState;
            ownContributionEstimate?: number;
        }

        export interface SetIdleOverrideRequest {
            /**
             * Mock isUserActive
             */
            isUserActive: boolean;
            /**
             * Mock isScreenUnlocked
             */
            isScreenUnlocked: boolean;
        }

        export interface SetNavigatorOverridesRequest {
            /**
             * The platform navigator.platform should return.
             */
            platform: string;
        }

        export interface SetPageScaleFactorRequest {
            /**
             * Page scale factor.
             */
            pageScaleFactor: number;
        }

        export interface SetScriptExecutionDisabledRequest {
            /**
             * Whether script execution should be disabled in the page.
             */
            value: boolean;
        }

        export interface SetTouchEmulationEnabledRequest {
            /**
             * Whether the touch event emulation should be enabled.
             */
            enabled: boolean;
            /**
             * Maximum touch points supported. Defaults to one.
             */
            maxTouchPoints?: integer;
        }

        export interface SetVirtualTimePolicyRequest {
            policy: VirtualTimePolicy;
            /**
             * If set, after this many virtual milliseconds have elapsed virtual time will be paused and a
             * virtualTimeBudgetExpired event is sent.
             */
            budget?: number;
            /**
             * If set this specifies the maximum number of tasks that can be run before virtual is forced
             * forwards to prevent deadlock.
             */
            maxVirtualTimeTaskStarvationCount?: integer;
            /**
             * If set, base::Time::Now will be overridden to initially return this value.
             */
            initialVirtualTime?: Network.TimeSinceEpoch;
        }

        export interface SetVirtualTimePolicyResponse {
            /**
             * Absolute timestamp at which virtual time was first enabled (up time in milliseconds).
             */
            virtualTimeTicksBase: number;
        }

        export interface SetLocaleOverrideRequest {
            /**
             * ICU style C locale (e.g. "en_US"). If not specified or empty, disables the override and
             * restores default host system locale.
             */
            locale?: string;
        }

        export interface SetTimezoneOverrideRequest {
            /**
             * The timezone identifier. List of supported timezones:
             * https://source.chromium.org/chromium/chromium/deps/icu.git/+/faee8bc70570192d82d2978a71e2a615788597d1:source/data/misc/metaZones.txt
             * If empty, disables the override and restores default host system timezone.
             */
            timezoneId: string;
        }

        export interface SetVisibleSizeRequest {
            /**
             * Frame width (DIP).
             */
            width: integer;
            /**
             * Frame height (DIP).
             */
            height: integer;
        }

        export interface SetDisabledImageTypesRequest {
            /**
             * Image types to disable.
             */
            imageTypes: DisabledImageType[];
        }

        export interface SetDataSaverOverrideRequest {
            /**
             * Override value. Omitting the parameter disables the override.
             */
            dataSaverEnabled?: boolean;
        }

        export interface SetHardwareConcurrencyOverrideRequest {
            /**
             * Hardware concurrency to report
             */
            hardwareConcurrency: integer;
        }

        export interface SetUserAgentOverrideRequest {
            /**
             * User agent to use.
             */
            userAgent: string;
            /**
             * Browser language to emulate.
             */
            acceptLanguage?: string;
            /**
             * The platform navigator.platform should return.
             */
            platform?: string;
            /**
             * To be sent in Sec-CH-UA-* headers and returned in navigator.userAgentData
             * @experimental
             */
            userAgentMetadata?: UserAgentMetadata;
        }

        export interface SetAutomationOverrideRequest {
            /**
             * Whether the override should be enabled.
             */
            enabled: boolean;
        }

        export interface SetSmallViewportHeightDifferenceOverrideRequest {
            /**
             * This will cause an element of size 100svh to be `difference` pixels smaller than an element
             * of size 100lvh.
             */
            difference: integer;
        }

        export interface GetScreenInfosResponse {
            screenInfos: ScreenInfo[];
        }

        export interface AddScreenRequest {
            /**
             * Offset of the left edge of the screen in pixels.
             */
            left: integer;
            /**
             * Offset of the top edge of the screen in pixels.
             */
            top: integer;
            /**
             * The width of the screen in pixels.
             */
            width: integer;
            /**
             * The height of the screen in pixels.
             */
            height: integer;
            /**
             * Specifies the screen's work area. Default is entire screen.
             */
            workAreaInsets?: WorkAreaInsets;
            /**
             * Specifies the screen's device pixel ratio. Default is 1.
             */
            devicePixelRatio?: number;
            /**
             * Specifies the screen's rotation angle. Available values are 0, 90, 180 and 270. Default is 0.
             */
            rotation?: integer;
            /**
             * Specifies the screen's color depth in bits. Default is 24.
             */
            colorDepth?: integer;
            /**
             * Specifies the descriptive label for the screen. Default is none.
             */
            label?: string;
            /**
             * Indicates whether the screen is internal to the device or external, attached to the device. Default is false.
             */
            isInternal?: boolean;
        }

        export interface AddScreenResponse {
            screenInfo: ScreenInfo;
        }

        export interface RemoveScreenRequest {
            screenId: ScreenId;
        }
    }

    /**
     * EventBreakpoints permits setting JavaScript breakpoints on operations and events
     * occurring in native code invoked from JavaScript. Once breakpoint is hit, it is
     * reported through Debugger domain, similarly to regular breakpoints being hit.
     * @experimental
     */
    export namespace EventBreakpoints {

        export interface SetInstrumentationBreakpointRequest {
            /**
             * Instrumentation name to stop on.
             */
            eventName: string;
        }

        export interface RemoveInstrumentationBreakpointRequest {
            /**
             * Instrumentation name to stop on.
             */
            eventName: string;
        }
    }

    /**
     * Defines commands and events for browser extensions.
     * @experimental
     */
    export namespace Extensions {

        /**
         * Storage areas.
         */
        export type StorageArea = ('session' | 'local' | 'sync' | 'managed');

        export interface LoadUnpackedRequest {
            /**
             * Absolute file path.
             */
            path: string;
        }

        export interface LoadUnpackedResponse {
            /**
             * Extension id.
             */
            id: string;
        }

        export interface UninstallRequest {
            /**
             * Extension id.
             */
            id: string;
        }

        export interface GetStorageItemsRequest {
            /**
             * ID of extension.
             */
            id: string;
            /**
             * StorageArea to retrieve data from.
             */
            storageArea: StorageArea;
            /**
             * Keys to retrieve.
             */
            keys?: string[];
        }

        export interface GetStorageItemsResponse {
            data: any;
        }

        export interface RemoveStorageItemsRequest {
            /**
             * ID of extension.
             */
            id: string;
            /**
             * StorageArea to remove data from.
             */
            storageArea: StorageArea;
            /**
             * Keys to remove.
             */
            keys: string[];
        }

        export interface ClearStorageItemsRequest {
            /**
             * ID of extension.
             */
            id: string;
            /**
             * StorageArea to remove data from.
             */
            storageArea: StorageArea;
        }

        export interface SetStorageItemsRequest {
            /**
             * ID of extension.
             */
            id: string;
            /**
             * StorageArea to set data in.
             */
            storageArea: StorageArea;
            /**
             * Values to set.
             */
            values: any;
        }
    }

    /**
     * This domain allows interacting with the FedCM dialog.
     * @experimental
     */
    export namespace FedCm {

        /**
         * Whether this is a sign-up or sign-in action for this account, i.e.
         * whether this account has ever been used to sign in to this RP before.
         */
        export type LoginState = ('SignIn' | 'SignUp');

        /**
         * The types of FedCM dialogs.
         */
        export type DialogType = ('AccountChooser' | 'AutoReauthn' | 'ConfirmIdpLogin' | 'Error');

        /**
         * The buttons on the FedCM dialog.
         */
        export type DialogButton = ('ConfirmIdpLoginContinue' | 'ErrorGotIt' | 'ErrorMoreDetails');

        /**
         * The URLs that each account has
         */
        export type AccountUrlType = ('TermsOfService' | 'PrivacyPolicy');

        /**
         * Corresponds to IdentityRequestAccount
         */
        export interface Account {
            accountId: string;
            email: string;
            name: string;
            givenName: string;
            pictureUrl: string;
            idpConfigUrl: string;
            idpLoginUrl: string;
            loginState: LoginState;
            /**
             * These two are only set if the loginState is signUp
             */
            termsOfServiceUrl?: string;
            privacyPolicyUrl?: string;
        }

        export interface EnableRequest {
            /**
             * Allows callers to disable the promise rejection delay that would
             * normally happen, if this is unimportant to what's being tested.
             * (step 4 of https://fedidcg.github.io/FedCM/#browser-api-rp-sign-in)
             */
            disableRejectionDelay?: boolean;
        }

        export interface SelectAccountRequest {
            dialogId: string;
            accountIndex: integer;
        }

        export interface ClickDialogButtonRequest {
            dialogId: string;
            dialogButton: DialogButton;
        }

        export interface OpenUrlRequest {
            dialogId: string;
            accountIndex: integer;
            accountUrlType: AccountUrlType;
        }

        export interface DismissDialogRequest {
            dialogId: string;
            triggerCooldown?: boolean;
        }

        export interface DialogShownEvent {
            dialogId: string;
            dialogType: DialogType;
            accounts: Account[];
            /**
             * These exist primarily so that the caller can verify the
             * RP context was used appropriately.
             */
            title: string;
            subtitle?: string;
        }

        /**
         * Triggered when a dialog is closed, either by user action, JS abort,
         * or a command below.
         */
        export interface DialogClosedEvent {
            dialogId: string;
        }
    }

    /**
     * A domain for letting clients substitute browser's network layer with client code.
     */
    export namespace Fetch {

        /**
         * Unique request identifier.
         * Note that this does not identify individual HTTP requests that are part of
         * a network request.
         */
        export type RequestId = string;

        /**
         * Stages of the request to handle. Request will intercept before the request is
         * sent. Response will intercept after the response is received (but before response
         * body is received).
         */
        export type RequestStage = ('Request' | 'Response');

        export interface RequestPattern {
            /**
             * Wildcards (`'*'` -> zero or more, `'?'` -> exactly one) are allowed. Escape character is
             * backslash. Omitting is equivalent to `"*"`.
             */
            urlPattern?: string;
            /**
             * If set, only requests for matching resource types will be intercepted.
             */
            resourceType?: Network.ResourceType;
            /**
             * Stage at which to begin intercepting requests. Default is Request.
             */
            requestStage?: RequestStage;
        }

        /**
         * Response HTTP header entry
         */
        export interface HeaderEntry {
            name: string;
            value: string;
        }

        export const enum AuthChallengeSource {
            Server = 'Server',
            Proxy = 'Proxy',
        }

        /**
         * Authorization challenge for HTTP status code 401 or 407.
         */
        export interface AuthChallenge {
            /**
             * Source of the authentication challenge.
             */
            source?: ('Server' | 'Proxy');
            /**
             * Origin of the challenger.
             */
            origin: string;
            /**
             * The authentication scheme used, such as basic or digest
             */
            scheme: string;
            /**
             * The realm of the challenge. May be empty.
             */
            realm: string;
        }

        export const enum AuthChallengeResponseResponse {
            Default = 'Default',
            CancelAuth = 'CancelAuth',
            ProvideCredentials = 'ProvideCredentials',
        }

        /**
         * Response to an AuthChallenge.
         */
        export interface AuthChallengeResponse {
            /**
             * The decision on what to do in response to the authorization challenge.  Default means
             * deferring to the default behavior of the net stack, which will likely either the Cancel
             * authentication or display a popup dialog box.
             */
            response: ('Default' | 'CancelAuth' | 'ProvideCredentials');
            /**
             * The username to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            username?: string;
            /**
             * The password to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            password?: string;
        }

        export interface EnableRequest {
            /**
             * If specified, only requests matching any of these patterns will produce
             * fetchRequested event and will be paused until clients response. If not set,
             * all requests will be affected.
             */
            patterns?: RequestPattern[];
            /**
             * If true, authRequired events will be issued and requests will be paused
             * expecting a call to continueWithAuth.
             */
            handleAuthRequests?: boolean;
        }

        export interface FailRequestRequest {
            /**
             * An id the client received in requestPaused event.
             */
            requestId: RequestId;
            /**
             * Causes the request to fail with the given reason.
             */
            errorReason: Network.ErrorReason;
        }

        export interface FulfillRequestRequest {
            /**
             * An id the client received in requestPaused event.
             */
            requestId: RequestId;
            /**
             * An HTTP response code.
             */
            responseCode: integer;
            /**
             * Response headers.
             */
            responseHeaders?: HeaderEntry[];
            /**
             * Alternative way of specifying response headers as a \0-separated
             * series of name: value pairs. Prefer the above method unless you
             * need to represent some non-UTF8 values that can't be transmitted
             * over the protocol as text. (Encoded as a base64 string when passed over JSON)
             */
            binaryResponseHeaders?: string;
            /**
             * A response body. If absent, original response body will be used if
             * the request is intercepted at the response stage and empty body
             * will be used if the request is intercepted at the request stage. (Encoded as a base64 string when passed over JSON)
             */
            body?: string;
            /**
             * A textual representation of responseCode.
             * If absent, a standard phrase matching responseCode is used.
             */
            responsePhrase?: string;
        }

        export interface ContinueRequestRequest {
            /**
             * An id the client received in requestPaused event.
             */
            requestId: RequestId;
            /**
             * If set, the request url will be modified in a way that's not observable by page.
             */
            url?: string;
            /**
             * If set, the request method is overridden.
             */
            method?: string;
            /**
             * If set, overrides the post data in the request. (Encoded as a base64 string when passed over JSON)
             */
            postData?: string;
            /**
             * If set, overrides the request headers. Note that the overrides do not
             * extend to subsequent redirect hops, if a redirect happens. Another override
             * may be applied to a different request produced by a redirect.
             */
            headers?: HeaderEntry[];
            /**
             * If set, overrides response interception behavior for this request.
             * @experimental
             */
            interceptResponse?: boolean;
        }

        export interface ContinueWithAuthRequest {
            /**
             * An id the client received in authRequired event.
             */
            requestId: RequestId;
            /**
             * Response to  with an authChallenge.
             */
            authChallengeResponse: AuthChallengeResponse;
        }

        export interface ContinueResponseRequest {
            /**
             * An id the client received in requestPaused event.
             */
            requestId: RequestId;
            /**
             * An HTTP response code. If absent, original response code will be used.
             */
            responseCode?: integer;
            /**
             * A textual representation of responseCode.
             * If absent, a standard phrase matching responseCode is used.
             */
            responsePhrase?: string;
            /**
             * Response headers. If absent, original response headers will be used.
             */
            responseHeaders?: HeaderEntry[];
            /**
             * Alternative way of specifying response headers as a \0-separated
             * series of name: value pairs. Prefer the above method unless you
             * need to represent some non-UTF8 values that can't be transmitted
             * over the protocol as text. (Encoded as a base64 string when passed over JSON)
             */
            binaryResponseHeaders?: string;
        }

        export interface GetResponseBodyRequest {
            /**
             * Identifier for the intercepted request to get body for.
             */
            requestId: RequestId;
        }

        export interface GetResponseBodyResponse {
            /**
             * Response body.
             */
            body: string;
            /**
             * True, if content was sent as base64.
             */
            base64Encoded: boolean;
        }

        export interface TakeResponseBodyAsStreamRequest {
            requestId: RequestId;
        }

        export interface TakeResponseBodyAsStreamResponse {
            stream: IO.StreamHandle;
        }

        /**
         * Issued when the domain is enabled and the request URL matches the
         * specified filter. The request is paused until the client responds
         * with one of continueRequest, failRequest or fulfillRequest.
         * The stage of the request can be determined by presence of responseErrorReason
         * and responseStatusCode -- the request is at the response stage if either
         * of these fields is present and in the request stage otherwise.
         * Redirect responses and subsequent requests are reported similarly to regular
         * responses and requests. Redirect responses may be distinguished by the value
         * of `responseStatusCode` (which is one of 301, 302, 303, 307, 308) along with
         * presence of the `location` header. Requests resulting from a redirect will
         * have `redirectedRequestId` field set.
         */
        export interface RequestPausedEvent {
            /**
             * Each request the page makes will have a unique id.
             */
            requestId: RequestId;
            /**
             * The details of the request.
             */
            request: Network.Request;
            /**
             * The id of the frame that initiated the request.
             */
            frameId: Page.FrameId;
            /**
             * How the requested resource will be used.
             */
            resourceType: Network.ResourceType;
            /**
             * Response error if intercepted at response stage.
             */
            responseErrorReason?: Network.ErrorReason;
            /**
             * Response code if intercepted at response stage.
             */
            responseStatusCode?: integer;
            /**
             * Response status text if intercepted at response stage.
             */
            responseStatusText?: string;
            /**
             * Response headers if intercepted at the response stage.
             */
            responseHeaders?: HeaderEntry[];
            /**
             * If the intercepted request had a corresponding Network.requestWillBeSent event fired for it,
             * then this networkId will be the same as the requestId present in the requestWillBeSent event.
             */
            networkId?: Network.RequestId;
            /**
             * If the request is due to a redirect response from the server, the id of the request that
             * has caused the redirect.
             * @experimental
             */
            redirectedRequestId?: RequestId;
        }

        /**
         * Issued when the domain is enabled with handleAuthRequests set to true.
         * The request is paused until client responds with continueWithAuth.
         */
        export interface AuthRequiredEvent {
            /**
             * Each request the page makes will have a unique id.
             */
            requestId: RequestId;
            /**
             * The details of the request.
             */
            request: Network.Request;
            /**
             * The id of the frame that initiated the request.
             */
            frameId: Page.FrameId;
            /**
             * How the requested resource will be used.
             */
            resourceType: Network.ResourceType;
            /**
             * Details of the Authorization Challenge encountered.
             * If this is set, client should respond with continueRequest that
             * contains AuthChallengeResponse.
             */
            authChallenge: AuthChallenge;
        }
    }

    /**
     * @experimental
     */
    export namespace FileSystem {

        export interface File {
            name: string;
            /**
             * Timestamp
             */
            lastModified: Network.TimeSinceEpoch;
            /**
             * Size in bytes
             */
            size: number;
            type: string;
        }

        export interface Directory {
            name: string;
            nestedDirectories: string[];
            /**
             * Files that are directly nested under this directory.
             */
            nestedFiles: File[];
        }

        export interface BucketFileSystemLocator {
            /**
             * Storage key
             */
            storageKey: Storage.SerializedStorageKey;
            /**
             * Bucket name. Not passing a `bucketName` will retrieve the default Bucket. (https://developer.mozilla.org/en-US/docs/Web/API/Storage_API#storage_buckets)
             */
            bucketName?: string;
            /**
             * Path to the directory using each path component as an array item.
             */
            pathComponents: string[];
        }

        export interface GetDirectoryRequest {
            bucketFileSystemLocator: BucketFileSystemLocator;
        }

        export interface GetDirectoryResponse {
            /**
             * Returns the directory object at the path.
             */
            directory: Directory;
        }
    }

    /**
     * This domain provides experimental commands only supported in headless mode.
     * @experimental
     */
    export namespace HeadlessExperimental {

        export const enum ScreenshotParamsFormat {
            Jpeg = 'jpeg',
            Png = 'png',
            Webp = 'webp',
        }

        /**
         * Encoding options for a screenshot.
         */
        export interface ScreenshotParams {
            /**
             * Image compression format (defaults to png).
             */
            format?: ('jpeg' | 'png' | 'webp');
            /**
             * Compression quality from range [0..100] (jpeg and webp only).
             */
            quality?: integer;
            /**
             * Optimize image encoding for speed, not for resulting size (defaults to false)
             */
            optimizeForSpeed?: boolean;
        }

        export interface BeginFrameRequest {
            /**
             * Timestamp of this BeginFrame in Renderer TimeTicks (milliseconds of uptime). If not set,
             * the current time will be used.
             */
            frameTimeTicks?: number;
            /**
             * The interval between BeginFrames that is reported to the compositor, in milliseconds.
             * Defaults to a 60 frames/second interval, i.e. about 16.666 milliseconds.
             */
            interval?: number;
            /**
             * Whether updates should not be committed and drawn onto the display. False by default. If
             * true, only side effects of the BeginFrame will be run, such as layout and animations, but
             * any visual updates may not be visible on the display or in screenshots.
             */
            noDisplayUpdates?: boolean;
            /**
             * If set, a screenshot of the frame will be captured and returned in the response. Otherwise,
             * no screenshot will be captured. Note that capturing a screenshot can fail, for example,
             * during renderer initialization. In such a case, no screenshot data will be returned.
             */
            screenshot?: ScreenshotParams;
        }

        export interface BeginFrameResponse {
            /**
             * Whether the BeginFrame resulted in damage and, thus, a new frame was committed to the
             * display. Reported for diagnostic uses, may be removed in the future.
             */
            hasDamage: boolean;
            /**
             * Base64-encoded image data of the screenshot, if one was requested and successfully taken. (Encoded as a base64 string when passed over JSON)
             */
            screenshotData?: string;
        }
    }

    /**
     * Input/Output operations for streams produced by DevTools.
     */
    export namespace IO {

        /**
         * This is either obtained from another method or specified as `blob:<uuid>` where
         * `<uuid>` is an UUID of a Blob.
         */
        export type StreamHandle = string;

        export interface CloseRequest {
            /**
             * Handle of the stream to close.
             */
            handle: StreamHandle;
        }

        export interface ReadRequest {
            /**
             * Handle of the stream to read.
             */
            handle: StreamHandle;
            /**
             * Seek to the specified offset before reading (if not specified, proceed with offset
             * following the last read). Some types of streams may only support sequential reads.
             */
            offset?: integer;
            /**
             * Maximum number of bytes to read (left upon the agent discretion if not specified).
             */
            size?: integer;
        }

        export interface ReadResponse {
            /**
             * Set if the data is base64-encoded
             */
            base64Encoded?: boolean;
            /**
             * Data that were read.
             */
            data: string;
            /**
             * Set if the end-of-file condition occurred while reading.
             */
            eof: boolean;
        }

        export interface ResolveBlobRequest {
            /**
             * Object id of a Blob object wrapper.
             */
            objectId: Runtime.RemoteObjectId;
        }

        export interface ResolveBlobResponse {
            /**
             * UUID of the specified Blob.
             */
            uuid: string;
        }
    }

    /**
     * @experimental
     */
    export namespace IndexedDB {

        /**
         * Database with an array of object stores.
         */
        export interface DatabaseWithObjectStores {
            /**
             * Database name.
             */
            name: string;
            /**
             * Database version (type is not 'integer', as the standard
             * requires the version number to be 'unsigned long long')
             */
            version: number;
            /**
             * Object stores in this database.
             */
            objectStores: ObjectStore[];
        }

        /**
         * Object store.
         */
        export interface ObjectStore {
            /**
             * Object store name.
             */
            name: string;
            /**
             * Object store key path.
             */
            keyPath: KeyPath;
            /**
             * If true, object store has auto increment flag set.
             */
            autoIncrement: boolean;
            /**
             * Indexes in this object store.
             */
            indexes: ObjectStoreIndex[];
        }

        /**
         * Object store index.
         */
        export interface ObjectStoreIndex {
            /**
             * Index name.
             */
            name: string;
            /**
             * Index key path.
             */
            keyPath: KeyPath;
            /**
             * If true, index is unique.
             */
            unique: boolean;
            /**
             * If true, index allows multiple entries for a key.
             */
            multiEntry: boolean;
        }

        export const enum KeyType {
            Number = 'number',
            String = 'string',
            Date = 'date',
            Array = 'array',
        }

        /**
         * Key.
         */
        export interface Key {
            /**
             * Key type.
             */
            type: ('number' | 'string' | 'date' | 'array');
            /**
             * Number value.
             */
            number?: number;
            /**
             * String value.
             */
            string?: string;
            /**
             * Date value.
             */
            date?: number;
            /**
             * Array value.
             */
            array?: Key[];
        }

        /**
         * Key range.
         */
        export interface KeyRange {
            /**
             * Lower bound.
             */
            lower?: Key;
            /**
             * Upper bound.
             */
            upper?: Key;
            /**
             * If true lower bound is open.
             */
            lowerOpen: boolean;
            /**
             * If true upper bound is open.
             */
            upperOpen: boolean;
        }

        /**
         * Data entry.
         */
        export interface DataEntry {
            /**
             * Key object.
             */
            key: Runtime.RemoteObject;
            /**
             * Primary key object.
             */
            primaryKey: Runtime.RemoteObject;
            /**
             * Value object.
             */
            value: Runtime.RemoteObject;
        }

        export const enum KeyPathType {
            Null = 'null',
            String = 'string',
            Array = 'array',
        }

        /**
         * Key path.
         */
        export interface KeyPath {
            /**
             * Key path type.
             */
            type: ('null' | 'string' | 'array');
            /**
             * String value.
             */
            string?: string;
            /**
             * Array value.
             */
            array?: string[];
        }

        export interface ClearObjectStoreRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, or storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
            /**
             * Database name.
             */
            databaseName: string;
            /**
             * Object store name.
             */
            objectStoreName: string;
        }

        export interface DeleteDatabaseRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, or storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
            /**
             * Database name.
             */
            databaseName: string;
        }

        export interface DeleteObjectStoreEntriesRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, or storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
            databaseName: string;
            objectStoreName: string;
            /**
             * Range of entry keys to delete
             */
            keyRange: KeyRange;
        }

        export interface RequestDataRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, or storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
            /**
             * Database name.
             */
            databaseName: string;
            /**
             * Object store name.
             */
            objectStoreName: string;
            /**
             * Index name. If not specified, it performs an object store data request.
             */
            indexName?: string;
            /**
             * Number of records to skip.
             */
            skipCount: integer;
            /**
             * Number of records to fetch.
             */
            pageSize: integer;
            /**
             * Key range.
             */
            keyRange?: KeyRange;
        }

        export interface RequestDataResponse {
            /**
             * Array of object store data entries.
             */
            objectStoreDataEntries: DataEntry[];
            /**
             * If true, there are more entries to fetch in the given range.
             */
            hasMore: boolean;
        }

        export interface GetMetadataRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, or storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
            /**
             * Database name.
             */
            databaseName: string;
            /**
             * Object store name.
             */
            objectStoreName: string;
        }

        export interface GetMetadataResponse {
            /**
             * the entries count
             */
            entriesCount: number;
            /**
             * the current value of key generator, to become the next inserted
             * key into the object store. Valid if objectStore.autoIncrement
             * is true.
             */
            keyGeneratorValue: number;
        }

        export interface RequestDatabaseRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, or storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
            /**
             * Database name.
             */
            databaseName: string;
        }

        export interface RequestDatabaseResponse {
            /**
             * Database with an array of object stores.
             */
            databaseWithObjectStores: DatabaseWithObjectStores;
        }

        export interface RequestDatabaseNamesRequest {
            /**
             * At least and at most one of securityOrigin, storageKey, or storageBucket must be specified.
             * Security origin.
             */
            securityOrigin?: string;
            /**
             * Storage key.
             */
            storageKey?: string;
            /**
             * Storage bucket. If not specified, it uses the default bucket.
             */
            storageBucket?: Storage.StorageBucket;
        }

        export interface RequestDatabaseNamesResponse {
            /**
             * Database names for origin.
             */
            databaseNames: string[];
        }
    }

    export namespace Input {

        export interface TouchPoint {
            /**
             * X coordinate of the event relative to the main frame's viewport in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to
             * the top of the viewport and Y increases as it proceeds towards the bottom of the viewport.
             */
            y: number;
            /**
             * X radius of the touch area (default: 1.0).
             */
            radiusX?: number;
            /**
             * Y radius of the touch area (default: 1.0).
             */
            radiusY?: number;
            /**
             * Rotation angle (default: 0.0).
             */
            rotationAngle?: number;
            /**
             * Force (default: 1.0).
             */
            force?: number;
            /**
             * The normalized tangential pressure, which has a range of [-1,1] (default: 0).
             * @experimental
             */
            tangentialPressure?: number;
            /**
             * The plane angle between the Y-Z plane and the plane containing both the stylus axis and the Y axis, in degrees of the range [-90,90], a positive tiltX is to the right (default: 0)
             */
            tiltX?: number;
            /**
             * The plane angle between the X-Z plane and the plane containing both the stylus axis and the X axis, in degrees of the range [-90,90], a positive tiltY is towards the user (default: 0).
             */
            tiltY?: number;
            /**
             * The clockwise rotation of a pen stylus around its own major axis, in degrees in the range [0,359] (default: 0).
             * @experimental
             */
            twist?: integer;
            /**
             * Identifier used to track touch sources between events, must be unique within an event.
             */
            id?: number;
        }

        /**
         * @experimental
         */
        export type GestureSourceType = ('default' | 'touch' | 'mouse');

        export type MouseButton = ('none' | 'left' | 'middle' | 'right' | 'back' | 'forward');

        /**
         * UTC time in seconds, counted from January 1, 1970.
         */
        export type TimeSinceEpoch = number;

        /**
         * @experimental
         */
        export interface DragDataItem {
            /**
             * Mime type of the dragged data.
             */
            mimeType: string;
            /**
             * Depending of the value of `mimeType`, it contains the dragged link,
             * text, HTML markup or any other data.
             */
            data: string;
            /**
             * Title associated with a link. Only valid when `mimeType` == "text/uri-list".
             */
            title?: string;
            /**
             * Stores the base URL for the contained markup. Only valid when `mimeType`
             * == "text/html".
             */
            baseURL?: string;
        }

        /**
         * @experimental
         */
        export interface DragData {
            items: DragDataItem[];
            /**
             * List of filenames that should be included when dropping
             */
            files?: string[];
            /**
             * Bit field representing allowed drag operations. Copy = 1, Link = 2, Move = 16
             */
            dragOperationsMask: integer;
        }

        export const enum DispatchDragEventRequestType {
            DragEnter = 'dragEnter',
            DragOver = 'dragOver',
            Drop = 'drop',
            DragCancel = 'dragCancel',
        }

        export interface DispatchDragEventRequest {
            /**
             * Type of the drag event.
             */
            type: ('dragEnter' | 'dragOver' | 'drop' | 'dragCancel');
            /**
             * X coordinate of the event relative to the main frame's viewport in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to
             * the top of the viewport and Y increases as it proceeds towards the bottom of the viewport.
             */
            y: number;
            data: DragData;
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
        }

        export const enum DispatchKeyEventRequestType {
            KeyDown = 'keyDown',
            KeyUp = 'keyUp',
            RawKeyDown = 'rawKeyDown',
            Char = 'char',
        }

        export interface DispatchKeyEventRequest {
            /**
             * Type of the key event.
             */
            type: ('keyDown' | 'keyUp' | 'rawKeyDown' | 'char');
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Time at which the event occurred.
             */
            timestamp?: TimeSinceEpoch;
            /**
             * Text as generated by processing a virtual key code with a keyboard layout. Not needed for
             * for `keyUp` and `rawKeyDown` events (default: "")
             */
            text?: string;
            /**
             * Text that would have been generated by the keyboard if no modifiers were pressed (except for
             * shift). Useful for shortcut (accelerator) key handling (default: "").
             */
            unmodifiedText?: string;
            /**
             * Unique key identifier (e.g., 'U+0041') (default: "").
             */
            keyIdentifier?: string;
            /**
             * Unique DOM defined string value for each physical key (e.g., 'KeyA') (default: "").
             */
            code?: string;
            /**
             * Unique DOM defined string value describing the meaning of the key in the context of active
             * modifiers, keyboard layout, etc (e.g., 'AltGr') (default: "").
             */
            key?: string;
            /**
             * Windows virtual key code (default: 0).
             */
            windowsVirtualKeyCode?: integer;
            /**
             * Native virtual key code (default: 0).
             */
            nativeVirtualKeyCode?: integer;
            /**
             * Whether the event was generated from auto repeat (default: false).
             */
            autoRepeat?: boolean;
            /**
             * Whether the event was generated from the keypad (default: false).
             */
            isKeypad?: boolean;
            /**
             * Whether the event was a system key event (default: false).
             */
            isSystemKey?: boolean;
            /**
             * Whether the event was from the left or right side of the keyboard. 1=Left, 2=Right (default:
             * 0).
             */
            location?: integer;
            /**
             * Editing commands to send with the key event (e.g., 'selectAll') (default: []).
             * These are related to but not equal the command names used in `document.execCommand` and NSStandardKeyBindingResponding.
             * See https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/core/editing/commands/editor_command_names.h for valid command names.
             * @experimental
             */
            commands?: string[];
        }

        export interface InsertTextRequest {
            /**
             * The text to insert.
             */
            text: string;
        }

        export interface ImeSetCompositionRequest {
            /**
             * The text to insert
             */
            text: string;
            /**
             * selection start
             */
            selectionStart: integer;
            /**
             * selection end
             */
            selectionEnd: integer;
            /**
             * replacement start
             */
            replacementStart?: integer;
            /**
             * replacement end
             */
            replacementEnd?: integer;
        }

        export const enum DispatchMouseEventRequestType {
            MousePressed = 'mousePressed',
            MouseReleased = 'mouseReleased',
            MouseMoved = 'mouseMoved',
            MouseWheel = 'mouseWheel',
        }

        export const enum DispatchMouseEventRequestPointerType {
            Mouse = 'mouse',
            Pen = 'pen',
        }

        export interface DispatchMouseEventRequest {
            /**
             * Type of the mouse event.
             */
            type: ('mousePressed' | 'mouseReleased' | 'mouseMoved' | 'mouseWheel');
            /**
             * X coordinate of the event relative to the main frame's viewport in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to
             * the top of the viewport and Y increases as it proceeds towards the bottom of the viewport.
             */
            y: number;
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Time at which the event occurred.
             */
            timestamp?: TimeSinceEpoch;
            /**
             * Mouse button (default: "none").
             */
            button?: MouseButton;
            /**
             * A number indicating which buttons are pressed on the mouse when a mouse event is triggered.
             * Left=1, Right=2, Middle=4, Back=8, Forward=16, None=0.
             */
            buttons?: integer;
            /**
             * Number of times the mouse button was clicked (default: 0).
             */
            clickCount?: integer;
            /**
             * The normalized pressure, which has a range of [0,1] (default: 0).
             * @experimental
             */
            force?: number;
            /**
             * The normalized tangential pressure, which has a range of [-1,1] (default: 0).
             * @experimental
             */
            tangentialPressure?: number;
            /**
             * The plane angle between the Y-Z plane and the plane containing both the stylus axis and the Y axis, in degrees of the range [-90,90], a positive tiltX is to the right (default: 0).
             */
            tiltX?: number;
            /**
             * The plane angle between the X-Z plane and the plane containing both the stylus axis and the X axis, in degrees of the range [-90,90], a positive tiltY is towards the user (default: 0).
             */
            tiltY?: number;
            /**
             * The clockwise rotation of a pen stylus around its own major axis, in degrees in the range [0,359] (default: 0).
             * @experimental
             */
            twist?: integer;
            /**
             * X delta in CSS pixels for mouse wheel event (default: 0).
             */
            deltaX?: number;
            /**
             * Y delta in CSS pixels for mouse wheel event (default: 0).
             */
            deltaY?: number;
            /**
             * Pointer type (default: "mouse").
             */
            pointerType?: ('mouse' | 'pen');
        }

        export const enum DispatchTouchEventRequestType {
            TouchStart = 'touchStart',
            TouchEnd = 'touchEnd',
            TouchMove = 'touchMove',
            TouchCancel = 'touchCancel',
        }

        export interface DispatchTouchEventRequest {
            /**
             * Type of the touch event. TouchEnd and TouchCancel must not contain any touch points, while
             * TouchStart and TouchMove must contains at least one.
             */
            type: ('touchStart' | 'touchEnd' | 'touchMove' | 'touchCancel');
            /**
             * Active touch points on the touch device. One event per any changed point (compared to
             * previous touch event in a sequence) is generated, emulating pressing/moving/releasing points
             * one by one.
             */
            touchPoints: TouchPoint[];
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Time at which the event occurred.
             */
            timestamp?: TimeSinceEpoch;
        }

        export const enum EmulateTouchFromMouseEventRequestType {
            MousePressed = 'mousePressed',
            MouseReleased = 'mouseReleased',
            MouseMoved = 'mouseMoved',
            MouseWheel = 'mouseWheel',
        }

        export interface EmulateTouchFromMouseEventRequest {
            /**
             * Type of the mouse event.
             */
            type: ('mousePressed' | 'mouseReleased' | 'mouseMoved' | 'mouseWheel');
            /**
             * X coordinate of the mouse pointer in DIP.
             */
            x: integer;
            /**
             * Y coordinate of the mouse pointer in DIP.
             */
            y: integer;
            /**
             * Mouse button. Only "none", "left", "right" are supported.
             */
            button: MouseButton;
            /**
             * Time at which the event occurred (default: current time).
             */
            timestamp?: TimeSinceEpoch;
            /**
             * X delta in DIP for mouse wheel event (default: 0).
             */
            deltaX?: number;
            /**
             * Y delta in DIP for mouse wheel event (default: 0).
             */
            deltaY?: number;
            /**
             * Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8
             * (default: 0).
             */
            modifiers?: integer;
            /**
             * Number of times the mouse button was clicked (default: 0).
             */
            clickCount?: integer;
        }

        export interface SetIgnoreInputEventsRequest {
            /**
             * Ignores input events processing when set to true.
             */
            ignore: boolean;
        }

        export interface SetInterceptDragsRequest {
            enabled: boolean;
        }

        export interface SynthesizePinchGestureRequest {
            /**
             * X coordinate of the start of the gesture in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the start of the gesture in CSS pixels.
             */
            y: number;
            /**
             * Relative scale factor after zooming (>1.0 zooms in, <1.0 zooms out).
             */
            scaleFactor: number;
            /**
             * Relative pointer speed in pixels per second (default: 800).
             */
            relativeSpeed?: integer;
            /**
             * Which type of input events to be generated (default: 'default', which queries the platform
             * for the preferred input type).
             */
            gestureSourceType?: GestureSourceType;
        }

        export interface SynthesizeScrollGestureRequest {
            /**
             * X coordinate of the start of the gesture in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the start of the gesture in CSS pixels.
             */
            y: number;
            /**
             * The distance to scroll along the X axis (positive to scroll left).
             */
            xDistance?: number;
            /**
             * The distance to scroll along the Y axis (positive to scroll up).
             */
            yDistance?: number;
            /**
             * The number of additional pixels to scroll back along the X axis, in addition to the given
             * distance.
             */
            xOverscroll?: number;
            /**
             * The number of additional pixels to scroll back along the Y axis, in addition to the given
             * distance.
             */
            yOverscroll?: number;
            /**
             * Prevent fling (default: true).
             */
            preventFling?: boolean;
            /**
             * Swipe speed in pixels per second (default: 800).
             */
            speed?: integer;
            /**
             * Which type of input events to be generated (default: 'default', which queries the platform
             * for the preferred input type).
             */
            gestureSourceType?: GestureSourceType;
            /**
             * The number of times to repeat the gesture (default: 0).
             */
            repeatCount?: integer;
            /**
             * The number of milliseconds delay between each repeat. (default: 250).
             */
            repeatDelayMs?: integer;
            /**
             * The name of the interaction markers to generate, if not empty (default: "").
             */
            interactionMarkerName?: string;
        }

        export interface SynthesizeTapGestureRequest {
            /**
             * X coordinate of the start of the gesture in CSS pixels.
             */
            x: number;
            /**
             * Y coordinate of the start of the gesture in CSS pixels.
             */
            y: number;
            /**
             * Duration between touchdown and touchup events in ms (default: 50).
             */
            duration?: integer;
            /**
             * Number of times to perform the tap (e.g. 2 for double tap, default: 1).
             */
            tapCount?: integer;
            /**
             * Which type of input events to be generated (default: 'default', which queries the platform
             * for the preferred input type).
             */
            gestureSourceType?: GestureSourceType;
        }

        /**
         * Emitted only when `Input.setInterceptDrags` is enabled. Use this data with `Input.dispatchDragEvent` to
         * restore normal drag and drop behavior.
         * @experimental
         */
        export interface DragInterceptedEvent {
            data: DragData;
        }
    }

    /**
     * @experimental
     */
    export namespace Inspector {

        /**
         * Fired when remote debugging connection is about to be terminated. Contains detach reason.
         */
        export interface DetachedEvent {
            /**
             * The reason why connection has been terminated.
             */
            reason: string;
        }
    }

    /**
     * @experimental
     */
    export namespace LayerTree {

        /**
         * Unique Layer identifier.
         */
        export type LayerId = string;

        /**
         * Unique snapshot identifier.
         */
        export type SnapshotId = string;

        export const enum ScrollRectType {
            RepaintsOnScroll = 'RepaintsOnScroll',
            TouchEventHandler = 'TouchEventHandler',
            WheelEventHandler = 'WheelEventHandler',
        }

        /**
         * Rectangle where scrolling happens on the main thread.
         */
        export interface ScrollRect {
            /**
             * Rectangle itself.
             */
            rect: DOM.Rect;
            /**
             * Reason for rectangle to force scrolling on the main thread
             */
            type: ('RepaintsOnScroll' | 'TouchEventHandler' | 'WheelEventHandler');
        }

        /**
         * Sticky position constraints.
         */
        export interface StickyPositionConstraint {
            /**
             * Layout rectangle of the sticky element before being shifted
             */
            stickyBoxRect: DOM.Rect;
            /**
             * Layout rectangle of the containing block of the sticky element
             */
            containingBlockRect: DOM.Rect;
            /**
             * The nearest sticky layer that shifts the sticky box
             */
            nearestLayerShiftingStickyBox?: LayerId;
            /**
             * The nearest sticky layer that shifts the containing block
             */
            nearestLayerShiftingContainingBlock?: LayerId;
        }

        /**
         * Serialized fragment of layer picture along with its offset within the layer.
         */
        export interface PictureTile {
            /**
             * Offset from owning layer left boundary
             */
            x: number;
            /**
             * Offset from owning layer top boundary
             */
            y: number;
            /**
             * Base64-encoded snapshot data. (Encoded as a base64 string when passed over JSON)
             */
            picture: string;
        }

        /**
         * Information about a compositing layer.
         */
        export interface Layer {
            /**
             * The unique id for this layer.
             */
            layerId: LayerId;
            /**
             * The id of parent (not present for root).
             */
            parentLayerId?: LayerId;
            /**
             * The backend id for the node associated with this layer.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * Offset from parent layer, X coordinate.
             */
            offsetX: number;
            /**
             * Offset from parent layer, Y coordinate.
             */
            offsetY: number;
            /**
             * Layer width.
             */
            width: number;
            /**
             * Layer height.
             */
            height: number;
            /**
             * Transformation matrix for layer, default is identity matrix
             */
            transform?: number[];
            /**
             * Transform anchor point X, absent if no transform specified
             */
            anchorX?: number;
            /**
             * Transform anchor point Y, absent if no transform specified
             */
            anchorY?: number;
            /**
             * Transform anchor point Z, absent if no transform specified
             */
            anchorZ?: number;
            /**
             * Indicates how many time this layer has painted.
             */
            paintCount: integer;
            /**
             * Indicates whether this layer hosts any content, rather than being used for
             * transform/scrolling purposes only.
             */
            drawsContent: boolean;
            /**
             * Set if layer is not visible.
             */
            invisible?: boolean;
            /**
             * Rectangles scrolling on main thread only.
             */
            scrollRects?: ScrollRect[];
            /**
             * Sticky position constraint information
             */
            stickyPositionConstraint?: StickyPositionConstraint;
        }

        /**
         * Array of timings, one per paint step.
         */
        export type PaintProfile = number[];

        export interface CompositingReasonsRequest {
            /**
             * The id of the layer for which we want to get the reasons it was composited.
             */
            layerId: LayerId;
        }

        export interface CompositingReasonsResponse {
            /**
             * A list of strings specifying reasons for the given layer to become composited.
             */
            compositingReasons: string[];
            /**
             * A list of strings specifying reason IDs for the given layer to become composited.
             */
            compositingReasonIds: string[];
        }

        export interface LoadSnapshotRequest {
            /**
             * An array of tiles composing the snapshot.
             */
            tiles: PictureTile[];
        }

        export interface LoadSnapshotResponse {
            /**
             * The id of the snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface MakeSnapshotRequest {
            /**
             * The id of the layer.
             */
            layerId: LayerId;
        }

        export interface MakeSnapshotResponse {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface ProfileSnapshotRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
            /**
             * The maximum number of times to replay the snapshot (1, if not specified).
             */
            minRepeatCount?: integer;
            /**
             * The minimum duration (in seconds) to replay the snapshot.
             */
            minDuration?: number;
            /**
             * The clip rectangle to apply when replaying the snapshot.
             */
            clipRect?: DOM.Rect;
        }

        export interface ProfileSnapshotResponse {
            /**
             * The array of paint profiles, one per run.
             */
            timings: PaintProfile[];
        }

        export interface ReleaseSnapshotRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface ReplaySnapshotRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
            /**
             * The first step to replay from (replay from the very start if not specified).
             */
            fromStep?: integer;
            /**
             * The last step to replay to (replay till the end if not specified).
             */
            toStep?: integer;
            /**
             * The scale to apply while replaying (defaults to 1).
             */
            scale?: number;
        }

        export interface ReplaySnapshotResponse {
            /**
             * A data: URL for resulting image.
             */
            dataURL: string;
        }

        export interface SnapshotCommandLogRequest {
            /**
             * The id of the layer snapshot.
             */
            snapshotId: SnapshotId;
        }

        export interface SnapshotCommandLogResponse {
            /**
             * The array of canvas function calls.
             */
            commandLog: any[];
        }

        export interface LayerPaintedEvent {
            /**
             * The id of the painted layer.
             */
            layerId: LayerId;
            /**
             * Clip rectangle.
             */
            clip: DOM.Rect;
        }

        export interface LayerTreeDidChangeEvent {
            /**
             * Layer tree, absent if not in the compositing mode.
             */
            layers?: Layer[];
        }
    }

    /**
     * Provides access to log entries.
     */
    export namespace Log {

        export const enum LogEntrySource {
            XML = 'xml',
            Javascript = 'javascript',
            Network = 'network',
            Storage = 'storage',
            Appcache = 'appcache',
            Rendering = 'rendering',
            Security = 'security',
            Deprecation = 'deprecation',
            Worker = 'worker',
            Violation = 'violation',
            Intervention = 'intervention',
            Recommendation = 'recommendation',
            Other = 'other',
        }

        export const enum LogEntryLevel {
            Verbose = 'verbose',
            Info = 'info',
            Warning = 'warning',
            Error = 'error',
        }

        export const enum LogEntryCategory {
            Cors = 'cors',
        }

        /**
         * Log entry.
         */
        export interface LogEntry {
            /**
             * Log entry source.
             */
            source: ('xml' | 'javascript' | 'network' | 'storage' | 'appcache' | 'rendering' | 'security' | 'deprecation' | 'worker' | 'violation' | 'intervention' | 'recommendation' | 'other');
            /**
             * Log entry severity.
             */
            level: ('verbose' | 'info' | 'warning' | 'error');
            /**
             * Logged text.
             */
            text: string;
            category?: ('cors');
            /**
             * Timestamp when this entry was added.
             */
            timestamp: Runtime.Timestamp;
            /**
             * URL of the resource if known.
             */
            url?: string;
            /**
             * Line number in the resource.
             */
            lineNumber?: integer;
            /**
             * JavaScript stack trace.
             */
            stackTrace?: Runtime.StackTrace;
            /**
             * Identifier of the network request associated with this entry.
             */
            networkRequestId?: Network.RequestId;
            /**
             * Identifier of the worker associated with this entry.
             */
            workerId?: string;
            /**
             * Call arguments.
             */
            args?: Runtime.RemoteObject[];
        }

        export const enum ViolationSettingName {
            LongTask = 'longTask',
            LongLayout = 'longLayout',
            BlockedEvent = 'blockedEvent',
            BlockedParser = 'blockedParser',
            DiscouragedAPIUse = 'discouragedAPIUse',
            Handler = 'handler',
            RecurringHandler = 'recurringHandler',
        }

        /**
         * Violation configuration setting.
         */
        export interface ViolationSetting {
            /**
             * Violation type.
             */
            name: ('longTask' | 'longLayout' | 'blockedEvent' | 'blockedParser' | 'discouragedAPIUse' | 'handler' | 'recurringHandler');
            /**
             * Time threshold to trigger upon.
             */
            threshold: number;
        }

        export interface StartViolationsReportRequest {
            /**
             * Configuration for violations.
             */
            config: ViolationSetting[];
        }

        /**
         * Issued when new message was logged.
         */
        export interface EntryAddedEvent {
            /**
             * The entry.
             */
            entry: LogEntry;
        }
    }

    /**
     * This domain allows detailed inspection of media elements.
     * @experimental
     */
    export namespace Media {

        /**
         * Players will get an ID that is unique within the agent context.
         */
        export type PlayerId = string;

        export type Timestamp = number;

        export const enum PlayerMessageLevel {
            Error = 'error',
            Warning = 'warning',
            Info = 'info',
            Debug = 'debug',
        }

        /**
         * Have one type per entry in MediaLogRecord::Type
         * Corresponds to kMessage
         */
        export interface PlayerMessage {
            /**
             * Keep in sync with MediaLogMessageLevel
             * We are currently keeping the message level 'error' separate from the
             * PlayerError type because right now they represent different things,
             * this one being a DVLOG(ERROR) style log message that gets printed
             * based on what log level is selected in the UI, and the other is a
             * representation of a media::PipelineStatus object. Soon however we're
             * going to be moving away from using PipelineStatus for errors and
             * introducing a new error type which should hopefully let us integrate
             * the error log level into the PlayerError type.
             */
            level: ('error' | 'warning' | 'info' | 'debug');
            message: string;
        }

        /**
         * Corresponds to kMediaPropertyChange
         */
        export interface PlayerProperty {
            name: string;
            value: string;
        }

        /**
         * Corresponds to kMediaEventTriggered
         */
        export interface PlayerEvent {
            timestamp: Timestamp;
            value: string;
        }

        /**
         * Represents logged source line numbers reported in an error.
         * NOTE: file and line are from chromium c++ implementation code, not js.
         */
        export interface PlayerErrorSourceLocation {
            file: string;
            line: integer;
        }

        /**
         * Corresponds to kMediaError
         */
        export interface PlayerError {
            errorType: string;
            /**
             * Code is the numeric enum entry for a specific set of error codes, such
             * as PipelineStatusCodes in media/base/pipeline_status.h
             */
            code: integer;
            /**
             * A trace of where this error was caused / where it passed through.
             */
            stack: PlayerErrorSourceLocation[];
            /**
             * Errors potentially have a root cause error, ie, a DecoderError might be
             * caused by an WindowsError
             */
            cause: PlayerError[];
            /**
             * Extra data attached to an error, such as an HRESULT, Video Codec, etc.
             */
            data: any;
        }

        export interface Player {
            playerId: PlayerId;
            domNodeId?: DOM.BackendNodeId;
        }

        /**
         * This can be called multiple times, and can be used to set / override /
         * remove player properties. A null propValue indicates removal.
         */
        export interface PlayerPropertiesChangedEvent {
            playerId: PlayerId;
            properties: PlayerProperty[];
        }

        /**
         * Send events as a list, allowing them to be batched on the browser for less
         * congestion. If batched, events must ALWAYS be in chronological order.
         */
        export interface PlayerEventsAddedEvent {
            playerId: PlayerId;
            events: PlayerEvent[];
        }

        /**
         * Send a list of any messages that need to be delivered.
         */
        export interface PlayerMessagesLoggedEvent {
            playerId: PlayerId;
            messages: PlayerMessage[];
        }

        /**
         * Send a list of any errors that need to be delivered.
         */
        export interface PlayerErrorsRaisedEvent {
            playerId: PlayerId;
            errors: PlayerError[];
        }

        /**
         * Called whenever a player is created, or when a new agent joins and receives
         * a list of active players. If an agent is restored, it will receive one
         * event for each active player.
         */
        export interface PlayerCreatedEvent {
            player: Player;
        }
    }

    /**
     * @experimental
     */
    export namespace Memory {

        /**
         * Memory pressure level.
         */
        export type PressureLevel = ('moderate' | 'critical');

        /**
         * Heap profile sample.
         */
        export interface SamplingProfileNode {
            /**
             * Size of the sampled allocation.
             */
            size: number;
            /**
             * Total bytes attributed to this sample.
             */
            total: number;
            /**
             * Execution stack at the point of allocation.
             */
            stack: string[];
        }

        /**
         * Array of heap profile samples.
         */
        export interface SamplingProfile {
            samples: SamplingProfileNode[];
            modules: Module[];
        }

        /**
         * Executable module information
         */
        export interface Module {
            /**
             * Name of the module.
             */
            name: string;
            /**
             * UUID of the module.
             */
            uuid: string;
            /**
             * Base address where the module is loaded into memory. Encoded as a decimal
             * or hexadecimal (0x prefixed) string.
             */
            baseAddress: string;
            /**
             * Size of the module in bytes.
             */
            size: number;
        }

        /**
         * DOM object counter data.
         */
        export interface DOMCounter {
            /**
             * Object name. Note: object names should be presumed volatile and clients should not expect
             * the returned names to be consistent across runs.
             */
            name: string;
            /**
             * Object count.
             */
            count: integer;
        }

        export interface GetDOMCountersResponse {
            documents: integer;
            nodes: integer;
            jsEventListeners: integer;
        }

        export interface GetDOMCountersForLeakDetectionResponse {
            /**
             * DOM object counters.
             */
            counters: DOMCounter[];
        }

        export interface SetPressureNotificationsSuppressedRequest {
            /**
             * If true, memory pressure notifications will be suppressed.
             */
            suppressed: boolean;
        }

        export interface SimulatePressureNotificationRequest {
            /**
             * Memory pressure level of the notification.
             */
            level: PressureLevel;
        }

        export interface StartSamplingRequest {
            /**
             * Average number of bytes between samples.
             */
            samplingInterval?: integer;
            /**
             * Do not randomize intervals between samples.
             */
            suppressRandomness?: boolean;
        }

        export interface GetAllTimeSamplingProfileResponse {
            profile: SamplingProfile;
        }

        export interface GetBrowserSamplingProfileResponse {
            profile: SamplingProfile;
        }

        export interface GetSamplingProfileResponse {
            profile: SamplingProfile;
        }
    }

    /**
     * Network domain allows tracking network activities of the page. It exposes information about http,
     * file, data and other requests and responses, their headers, bodies, timing, etc.
     */
    export namespace Network {

        /**
         * Resource type as it was perceived by the rendering engine.
         */
        export type ResourceType = ('Document' | 'Stylesheet' | 'Image' | 'Media' | 'Font' | 'Script' | 'TextTrack' | 'XHR' | 'Fetch' | 'Prefetch' | 'EventSource' | 'WebSocket' | 'Manifest' | 'SignedExchange' | 'Ping' | 'CSPViolationReport' | 'Preflight' | 'FedCM' | 'Other');

        /**
         * Unique loader identifier.
         */
        export type LoaderId = string;

        /**
         * Unique network request identifier.
         * Note that this does not identify individual HTTP requests that are part of
         * a network request.
         */
        export type RequestId = string;

        /**
         * Unique intercepted request identifier.
         */
        export type InterceptionId = string;

        /**
         * Network level fetch failure reason.
         */
        export type ErrorReason = ('Failed' | 'Aborted' | 'TimedOut' | 'AccessDenied' | 'ConnectionClosed' | 'ConnectionReset' | 'ConnectionRefused' | 'ConnectionAborted' | 'ConnectionFailed' | 'NameNotResolved' | 'InternetDisconnected' | 'AddressUnreachable' | 'BlockedByClient' | 'BlockedByResponse');

        /**
         * UTC time in seconds, counted from January 1, 1970.
         */
        export type TimeSinceEpoch = number;

        /**
         * Monotonically increasing time in seconds since an arbitrary point in the past.
         */
        export type MonotonicTime = number;

        /**
         * Request / response headers as keys / values of JSON object.
         */
        export interface Headers {
            [key: string]: string;
        }

        /**
         * The underlying connection technology that the browser is supposedly using.
         */
        export type ConnectionType = ('none' | 'cellular2g' | 'cellular3g' | 'cellular4g' | 'bluetooth' | 'ethernet' | 'wifi' | 'wimax' | 'other');

        /**
         * Represents the cookie's 'SameSite' status:
         * https://tools.ietf.org/html/draft-west-first-party-cookies
         */
        export type CookieSameSite = ('Strict' | 'Lax' | 'None');

        /**
         * Represents the cookie's 'Priority' status:
         * https://tools.ietf.org/html/draft-west-cookie-priority-00
         * @experimental
         */
        export type CookiePriority = ('Low' | 'Medium' | 'High');

        /**
         * Represents the source scheme of the origin that originally set the cookie.
         * A value of "Unset" allows protocol clients to emulate legacy cookie scope for the scheme.
         * This is a temporary ability and it will be removed in the future.
         * @experimental
         */
        export type CookieSourceScheme = ('Unset' | 'NonSecure' | 'Secure');

        /**
         * Timing information for the request.
         */
        export interface ResourceTiming {
            /**
             * Timing's requestTime is a baseline in seconds, while the other numbers are ticks in
             * milliseconds relatively to this requestTime.
             */
            requestTime: number;
            /**
             * Started resolving proxy.
             */
            proxyStart: number;
            /**
             * Finished resolving proxy.
             */
            proxyEnd: number;
            /**
             * Started DNS address resolve.
             */
            dnsStart: number;
            /**
             * Finished DNS address resolve.
             */
            dnsEnd: number;
            /**
             * Started connecting to the remote host.
             */
            connectStart: number;
            /**
             * Connected to the remote host.
             */
            connectEnd: number;
            /**
             * Started SSL handshake.
             */
            sslStart: number;
            /**
             * Finished SSL handshake.
             */
            sslEnd: number;
            /**
             * Started running ServiceWorker.
             * @experimental
             */
            workerStart: number;
            /**
             * Finished Starting ServiceWorker.
             * @experimental
             */
            workerReady: number;
            /**
             * Started fetch event.
             * @experimental
             */
            workerFetchStart: number;
            /**
             * Settled fetch event respondWith promise.
             * @experimental
             */
            workerRespondWithSettled: number;
            /**
             * Started ServiceWorker static routing source evaluation.
             * @experimental
             */
            workerRouterEvaluationStart?: number;
            /**
             * Started cache lookup when the source was evaluated to `cache`.
             * @experimental
             */
            workerCacheLookupStart?: number;
            /**
             * Started sending request.
             */
            sendStart: number;
            /**
             * Finished sending request.
             */
            sendEnd: number;
            /**
             * Time the server started pushing request.
             * @experimental
             */
            pushStart: number;
            /**
             * Time the server finished pushing request.
             * @experimental
             */
            pushEnd: number;
            /**
             * Started receiving response headers.
             * @experimental
             */
            receiveHeadersStart: number;
            /**
             * Finished receiving response headers.
             */
            receiveHeadersEnd: number;
        }

        /**
         * Loading priority of a resource request.
         */
        export type ResourcePriority = ('VeryLow' | 'Low' | 'Medium' | 'High' | 'VeryHigh');

        /**
         * Post data entry for HTTP request
         */
        export interface PostDataEntry {
            bytes?: string;
        }

        export const enum RequestReferrerPolicy {
            UnsafeUrl = 'unsafe-url',
            NoReferrerWhenDowngrade = 'no-referrer-when-downgrade',
            NoReferrer = 'no-referrer',
            Origin = 'origin',
            OriginWhenCrossOrigin = 'origin-when-cross-origin',
            SameOrigin = 'same-origin',
            StrictOrigin = 'strict-origin',
            StrictOriginWhenCrossOrigin = 'strict-origin-when-cross-origin',
        }

        /**
         * HTTP request data.
         */
        export interface Request {
            /**
             * Request URL (without fragment).
             */
            url: string;
            /**
             * Fragment of the requested URL starting with hash, if present.
             */
            urlFragment?: string;
            /**
             * HTTP request method.
             */
            method: string;
            /**
             * HTTP request headers.
             */
            headers: Headers;
            /**
             * HTTP POST request data.
             * Use postDataEntries instead.
             * @deprecated
             */
            postData?: string;
            /**
             * True when the request has POST data. Note that postData might still be omitted when this flag is true when the data is too long.
             */
            hasPostData?: boolean;
            /**
             * Request body elements (post data broken into individual entries).
             * @experimental
             */
            postDataEntries?: PostDataEntry[];
            /**
             * The mixed content type of the request.
             */
            mixedContentType?: Security.MixedContentType;
            /**
             * Priority of the resource request at the time request is sent.
             */
            initialPriority: ResourcePriority;
            /**
             * The referrer policy of the request, as defined in https://www.w3.org/TR/referrer-policy/
             */
            referrerPolicy: ('unsafe-url' | 'no-referrer-when-downgrade' | 'no-referrer' | 'origin' | 'origin-when-cross-origin' | 'same-origin' | 'strict-origin' | 'strict-origin-when-cross-origin');
            /**
             * Whether is loaded via link preload.
             */
            isLinkPreload?: boolean;
            /**
             * Set for requests when the TrustToken API is used. Contains the parameters
             * passed by the developer (e.g. via "fetch") as understood by the backend.
             * @experimental
             */
            trustTokenParams?: TrustTokenParams;
            /**
             * True if this resource request is considered to be the 'same site' as the
             * request corresponding to the main frame.
             * @experimental
             */
            isSameSite?: boolean;
            /**
             * True when the resource request is ad-related.
             * @experimental
             */
            isAdRelated?: boolean;
        }

        /**
         * Details of a signed certificate timestamp (SCT).
         */
        export interface SignedCertificateTimestamp {
            /**
             * Validation status.
             */
            status: string;
            /**
             * Origin.
             */
            origin: string;
            /**
             * Log name / description.
             */
            logDescription: string;
            /**
             * Log ID.
             */
            logId: string;
            /**
             * Issuance date. Unlike TimeSinceEpoch, this contains the number of
             * milliseconds since January 1, 1970, UTC, not the number of seconds.
             */
            timestamp: number;
            /**
             * Hash algorithm.
             */
            hashAlgorithm: string;
            /**
             * Signature algorithm.
             */
            signatureAlgorithm: string;
            /**
             * Signature data.
             */
            signatureData: string;
        }

        /**
         * Security details about a request.
         */
        export interface SecurityDetails {
            /**
             * Protocol name (e.g. "TLS 1.2" or "QUIC").
             */
            protocol: string;
            /**
             * Key Exchange used by the connection, or the empty string if not applicable.
             */
            keyExchange: string;
            /**
             * (EC)DH group used by the connection, if applicable.
             */
            keyExchangeGroup?: string;
            /**
             * Cipher name.
             */
            cipher: string;
            /**
             * TLS MAC. Note that AEAD ciphers do not have separate MACs.
             */
            mac?: string;
            /**
             * Certificate ID value.
             */
            certificateId: Security.CertificateId;
            /**
             * Certificate subject name.
             */
            subjectName: string;
            /**
             * Subject Alternative Name (SAN) DNS names and IP addresses.
             */
            sanList: string[];
            /**
             * Name of the issuing CA.
             */
            issuer: string;
            /**
             * Certificate valid from date.
             */
            validFrom: TimeSinceEpoch;
            /**
             * Certificate valid to (expiration) date
             */
            validTo: TimeSinceEpoch;
            /**
             * List of signed certificate timestamps (SCTs).
             */
            signedCertificateTimestampList: SignedCertificateTimestamp[];
            /**
             * Whether the request complied with Certificate Transparency policy
             */
            certificateTransparencyCompliance: CertificateTransparencyCompliance;
            /**
             * The signature algorithm used by the server in the TLS server signature,
             * represented as a TLS SignatureScheme code point. Omitted if not
             * applicable or not known.
             */
            serverSignatureAlgorithm?: integer;
            /**
             * Whether the connection used Encrypted ClientHello
             */
            encryptedClientHello: boolean;
        }

        /**
         * Whether the request complied with Certificate Transparency policy.
         */
        export type CertificateTransparencyCompliance = ('unknown' | 'not-compliant' | 'compliant');

        /**
         * The reason why request was blocked.
         */
        export type BlockedReason = ('other' | 'csp' | 'mixed-content' | 'origin' | 'inspector' | 'integrity' | 'subresource-filter' | 'content-type' | 'coep-frame-resource-needs-coep-header' | 'coop-sandboxed-iframe-cannot-navigate-to-coop-page' | 'corp-not-same-origin' | 'corp-not-same-origin-after-defaulted-to-same-origin-by-coep' | 'corp-not-same-origin-after-defaulted-to-same-origin-by-dip' | 'corp-not-same-origin-after-defaulted-to-same-origin-by-coep-and-dip' | 'corp-not-same-site' | 'sri-message-signature-mismatch');

        /**
         * Sets Controls for IP Proxy of requests.
         * Page reload is required before the new behavior will be observed.
         * @experimental
         */
        export type IpProxyStatus = ('Available' | 'FeatureNotEnabled' | 'MaskedDomainListNotEnabled' | 'MaskedDomainListNotPopulated' | 'AuthTokensUnavailable' | 'Unavailable' | 'BypassedByDevTools');

        /**
         * The reason why request was blocked.
         */
        export type CorsError = ('DisallowedByMode' | 'InvalidResponse' | 'WildcardOriginNotAllowed' | 'MissingAllowOriginHeader' | 'MultipleAllowOriginValues' | 'InvalidAllowOriginValue' | 'AllowOriginMismatch' | 'InvalidAllowCredentials' | 'CorsDisabledScheme' | 'PreflightInvalidStatus' | 'PreflightDisallowedRedirect' | 'PreflightWildcardOriginNotAllowed' | 'PreflightMissingAllowOriginHeader' | 'PreflightMultipleAllowOriginValues' | 'PreflightInvalidAllowOriginValue' | 'PreflightAllowOriginMismatch' | 'PreflightInvalidAllowCredentials' | 'PreflightMissingAllowExternal' | 'PreflightInvalidAllowExternal' | 'PreflightMissingAllowPrivateNetwork' | 'PreflightInvalidAllowPrivateNetwork' | 'InvalidAllowMethodsPreflightResponse' | 'InvalidAllowHeadersPreflightResponse' | 'MethodDisallowedByPreflightResponse' | 'HeaderDisallowedByPreflightResponse' | 'RedirectContainsCredentials' | 'InsecurePrivateNetwork' | 'InvalidPrivateNetworkAccess' | 'UnexpectedPrivateNetworkAccess' | 'NoCorsRedirectModeNotFollow' | 'PreflightMissingPrivateNetworkAccessId' | 'PreflightMissingPrivateNetworkAccessName' | 'PrivateNetworkAccessPermissionUnavailable' | 'PrivateNetworkAccessPermissionDenied' | 'LocalNetworkAccessPermissionDenied');

        export interface CorsErrorStatus {
            corsError: CorsError;
            failedParameter: string;
        }

        /**
         * Source of serviceworker response.
         */
        export type ServiceWorkerResponseSource = ('cache-storage' | 'http-cache' | 'fallback-code' | 'network');

        export const enum TrustTokenParamsRefreshPolicy {
            UseCached = 'UseCached',
            Refresh = 'Refresh',
        }

        /**
         * Determines what type of Trust Token operation is executed and
         * depending on the type, some additional parameters. The values
         * are specified in third_party/blink/renderer/core/fetch/trust_token.idl.
         * @experimental
         */
        export interface TrustTokenParams {
            operation: TrustTokenOperationType;
            /**
             * Only set for "token-redemption" operation and determine whether
             * to request a fresh SRR or use a still valid cached SRR.
             */
            refreshPolicy: ('UseCached' | 'Refresh');
            /**
             * Origins of issuers from whom to request tokens or redemption
             * records.
             */
            issuers?: string[];
        }

        /**
         * @experimental
         */
        export type TrustTokenOperationType = ('Issuance' | 'Redemption' | 'Signing');

        /**
         * The reason why Chrome uses a specific transport protocol for HTTP semantics.
         * @experimental
         */
        export type AlternateProtocolUsage = ('alternativeJobWonWithoutRace' | 'alternativeJobWonRace' | 'mainJobWonRace' | 'mappingMissing' | 'broken' | 'dnsAlpnH3JobWonWithoutRace' | 'dnsAlpnH3JobWonRace' | 'unspecifiedReason');

        /**
         * Source of service worker router.
         */
        export type ServiceWorkerRouterSource = ('network' | 'cache' | 'fetch-event' | 'race-network-and-fetch-handler' | 'race-network-and-cache');

        /**
         * @experimental
         */
        export interface ServiceWorkerRouterInfo {
            /**
             * ID of the rule matched. If there is a matched rule, this field will
             * be set, otherwiser no value will be set.
             */
            ruleIdMatched?: integer;
            /**
             * The router source of the matched rule. If there is a matched rule, this
             * field will be set, otherwise no value will be set.
             */
            matchedSourceType?: ServiceWorkerRouterSource;
            /**
             * The actual router source used.
             */
            actualSourceType?: ServiceWorkerRouterSource;
        }

        /**
         * HTTP response data.
         */
        export interface Response {
            /**
             * Response URL. This URL can be different from CachedResource.url in case of redirect.
             */
            url: string;
            /**
             * HTTP response status code.
             */
            status: integer;
            /**
             * HTTP response status text.
             */
            statusText: string;
            /**
             * HTTP response headers.
             */
            headers: Headers;
            /**
             * HTTP response headers text. This has been replaced by the headers in Network.responseReceivedExtraInfo.
             * @deprecated
             */
            headersText?: string;
            /**
             * Resource mimeType as determined by the browser.
             */
            mimeType: string;
            /**
             * Resource charset as determined by the browser (if applicable).
             */
            charset: string;
            /**
             * Refined HTTP request headers that were actually transmitted over the network.
             */
            requestHeaders?: Headers;
            /**
             * HTTP request headers text. This has been replaced by the headers in Network.requestWillBeSentExtraInfo.
             * @deprecated
             */
            requestHeadersText?: string;
            /**
             * Specifies whether physical connection was actually reused for this request.
             */
            connectionReused: boolean;
            /**
             * Physical connection id that was actually used for this request.
             */
            connectionId: number;
            /**
             * Remote IP address.
             */
            remoteIPAddress?: string;
            /**
             * Remote port.
             */
            remotePort?: integer;
            /**
             * Specifies that the request was served from the disk cache.
             */
            fromDiskCache?: boolean;
            /**
             * Specifies that the request was served from the ServiceWorker.
             */
            fromServiceWorker?: boolean;
            /**
             * Specifies that the request was served from the prefetch cache.
             */
            fromPrefetchCache?: boolean;
            /**
             * Specifies that the request was served from the prefetch cache.
             */
            fromEarlyHints?: boolean;
            /**
             * Information about how ServiceWorker Static Router API was used. If this
             * field is set with `matchedSourceType` field, a matching rule is found.
             * If this field is set without `matchedSource`, no matching rule is found.
             * Otherwise, the API is not used.
             * @experimental
             */
            serviceWorkerRouterInfo?: ServiceWorkerRouterInfo;
            /**
             * Total number of bytes received for this request so far.
             */
            encodedDataLength: number;
            /**
             * Timing information for the given request.
             */
            timing?: ResourceTiming;
            /**
             * Response source of response from ServiceWorker.
             */
            serviceWorkerResponseSource?: ServiceWorkerResponseSource;
            /**
             * The time at which the returned response was generated.
             */
            responseTime?: TimeSinceEpoch;
            /**
             * Cache Storage Cache Name.
             */
            cacheStorageCacheName?: string;
            /**
             * Protocol used to fetch this request.
             */
            protocol?: string;
            /**
             * The reason why Chrome uses a specific transport protocol for HTTP semantics.
             * @experimental
             */
            alternateProtocolUsage?: AlternateProtocolUsage;
            /**
             * Security state of the request resource.
             */
            securityState: Security.SecurityState;
            /**
             * Security details for the request.
             */
            securityDetails?: SecurityDetails;
            /**
             * Indicates whether the request was sent through IP Protection proxies. If
             * set to true, the request used the IP Protection privacy feature.
             * @experimental
             */
            isIpProtectionUsed?: boolean;
        }

        /**
         * WebSocket request data.
         */
        export interface WebSocketRequest {
            /**
             * HTTP request headers.
             */
            headers: Headers;
        }

        /**
         * WebSocket response data.
         */
        export interface WebSocketResponse {
            /**
             * HTTP response status code.
             */
            status: integer;
            /**
             * HTTP response status text.
             */
            statusText: string;
            /**
             * HTTP response headers.
             */
            headers: Headers;
            /**
             * HTTP response headers text.
             */
            headersText?: string;
            /**
             * HTTP request headers.
             */
            requestHeaders?: Headers;
            /**
             * HTTP request headers text.
             */
            requestHeadersText?: string;
        }

        /**
         * WebSocket message data. This represents an entire WebSocket message, not just a fragmented frame as the name suggests.
         */
        export interface WebSocketFrame {
            /**
             * WebSocket message opcode.
             */
            opcode: number;
            /**
             * WebSocket message mask.
             */
            mask: boolean;
            /**
             * WebSocket message payload data.
             * If the opcode is 1, this is a text message and payloadData is a UTF-8 string.
             * If the opcode isn't 1, then payloadData is a base64 encoded string representing binary data.
             */
            payloadData: string;
        }

        /**
         * Information about the cached resource.
         */
        export interface CachedResource {
            /**
             * Resource URL. This is the url of the original network request.
             */
            url: string;
            /**
             * Type of this resource.
             */
            type: ResourceType;
            /**
             * Cached response data.
             */
            response?: Response;
            /**
             * Cached response body size.
             */
            bodySize: number;
        }

        export const enum InitiatorType {
            Parser = 'parser',
            Script = 'script',
            Preload = 'preload',
            SignedExchange = 'SignedExchange',
            Preflight = 'preflight',
            Other = 'other',
        }

        /**
         * Information about the request initiator.
         */
        export interface Initiator {
            /**
             * Type of this initiator.
             */
            type: ('parser' | 'script' | 'preload' | 'SignedExchange' | 'preflight' | 'other');
            /**
             * Initiator JavaScript stack trace, set for Script only.
             * Requires the Debugger domain to be enabled.
             */
            stack?: Runtime.StackTrace;
            /**
             * Initiator URL, set for Parser type or for Script type (when script is importing module) or for SignedExchange type.
             */
            url?: string;
            /**
             * Initiator line number, set for Parser type or for Script type (when script is importing
             * module) (0-based).
             */
            lineNumber?: number;
            /**
             * Initiator column number, set for Parser type or for Script type (when script is importing
             * module) (0-based).
             */
            columnNumber?: number;
            /**
             * Set if another request triggered this request (e.g. preflight).
             */
            requestId?: RequestId;
        }

        /**
         * cookiePartitionKey object
         * The representation of the components of the key that are created by the cookiePartitionKey class contained in net/cookies/cookie_partition_key.h.
         * @experimental
         */
        export interface CookiePartitionKey {
            /**
             * The site of the top-level URL the browser was visiting at the start
             * of the request to the endpoint that set the cookie.
             */
            topLevelSite: string;
            /**
             * Indicates if the cookie has any ancestors that are cross-site to the topLevelSite.
             */
            hasCrossSiteAncestor: boolean;
        }

        /**
         * Cookie object
         */
        export interface Cookie {
            /**
             * Cookie name.
             */
            name: string;
            /**
             * Cookie value.
             */
            value: string;
            /**
             * Cookie domain.
             */
            domain: string;
            /**
             * Cookie path.
             */
            path: string;
            /**
             * Cookie expiration date as the number of seconds since the UNIX epoch.
             * The value is set to -1 if the expiry date is not set.
             * The value can be null for values that cannot be represented in
             * JSON (±Inf).
             */
            expires: number;
            /**
             * Cookie size.
             */
            size: integer;
            /**
             * True if cookie is http-only.
             */
            httpOnly: boolean;
            /**
             * True if cookie is secure.
             */
            secure: boolean;
            /**
             * True in case of session cookie.
             */
            session: boolean;
            /**
             * Cookie SameSite type.
             */
            sameSite?: CookieSameSite;
            /**
             * Cookie Priority
             * @experimental
             */
            priority: CookiePriority;
            /**
             * True if cookie is SameParty.
             * @deprecated
             * @experimental
             */
            sameParty: boolean;
            /**
             * Cookie source scheme type.
             * @experimental
             */
            sourceScheme: CookieSourceScheme;
            /**
             * Cookie source port. Valid values are {-1, [1, 65535]}, -1 indicates an unspecified port.
             * An unspecified port value allows protocol clients to emulate legacy cookie scope for the port.
             * This is a temporary ability and it will be removed in the future.
             * @experimental
             */
            sourcePort: integer;
            /**
             * Cookie partition key.
             * @experimental
             */
            partitionKey?: CookiePartitionKey;
            /**
             * True if cookie partition key is opaque.
             * @experimental
             */
            partitionKeyOpaque?: boolean;
        }

        /**
         * Types of reasons why a cookie may not be stored from a response.
         * @experimental
         */
        export type SetCookieBlockedReason = ('SecureOnly' | 'SameSiteStrict' | 'SameSiteLax' | 'SameSiteUnspecifiedTreatedAsLax' | 'SameSiteNoneInsecure' | 'UserPreferences' | 'ThirdPartyPhaseout' | 'ThirdPartyBlockedInFirstPartySet' | 'SyntaxError' | 'SchemeNotSupported' | 'OverwriteSecure' | 'InvalidDomain' | 'InvalidPrefix' | 'UnknownError' | 'SchemefulSameSiteStrict' | 'SchemefulSameSiteLax' | 'SchemefulSameSiteUnspecifiedTreatedAsLax' | 'SamePartyFromCrossPartyContext' | 'SamePartyConflictsWithOtherAttributes' | 'NameValuePairExceedsMaxSize' | 'DisallowedCharacter' | 'NoCookieContent');

        /**
         * Types of reasons why a cookie may not be sent with a request.
         * @experimental
         */
        export type CookieBlockedReason = ('SecureOnly' | 'NotOnPath' | 'DomainMismatch' | 'SameSiteStrict' | 'SameSiteLax' | 'SameSiteUnspecifiedTreatedAsLax' | 'SameSiteNoneInsecure' | 'UserPreferences' | 'ThirdPartyPhaseout' | 'ThirdPartyBlockedInFirstPartySet' | 'UnknownError' | 'SchemefulSameSiteStrict' | 'SchemefulSameSiteLax' | 'SchemefulSameSiteUnspecifiedTreatedAsLax' | 'SamePartyFromCrossPartyContext' | 'NameValuePairExceedsMaxSize' | 'PortMismatch' | 'SchemeMismatch' | 'AnonymousContext');

        /**
         * Types of reasons why a cookie should have been blocked by 3PCD but is exempted for the request.
         * @experimental
         */
        export type CookieExemptionReason = ('None' | 'UserSetting' | 'TPCDMetadata' | 'TPCDDeprecationTrial' | 'TopLevelTPCDDeprecationTrial' | 'TPCDHeuristics' | 'EnterprisePolicy' | 'StorageAccess' | 'TopLevelStorageAccess' | 'Scheme' | 'SameSiteNoneCookiesInSandbox');

        /**
         * A cookie which was not stored from a response with the corresponding reason.
         * @experimental
         */
        export interface BlockedSetCookieWithReason {
            /**
             * The reason(s) this cookie was blocked.
             */
            blockedReasons: SetCookieBlockedReason[];
            /**
             * The string representing this individual cookie as it would appear in the header.
             * This is not the entire "cookie" or "set-cookie" header which could have multiple cookies.
             */
            cookieLine: string;
            /**
             * The cookie object which represents the cookie which was not stored. It is optional because
             * sometimes complete cookie information is not available, such as in the case of parsing
             * errors.
             */
            cookie?: Cookie;
        }

        /**
         * A cookie should have been blocked by 3PCD but is exempted and stored from a response with the
         * corresponding reason. A cookie could only have at most one exemption reason.
         * @experimental
         */
        export interface ExemptedSetCookieWithReason {
            /**
             * The reason the cookie was exempted.
             */
            exemptionReason: CookieExemptionReason;
            /**
             * The string representing this individual cookie as it would appear in the header.
             */
            cookieLine: string;
            /**
             * The cookie object representing the cookie.
             */
            cookie: Cookie;
        }

        /**
         * A cookie associated with the request which may or may not be sent with it.
         * Includes the cookies itself and reasons for blocking or exemption.
         * @experimental
         */
        export interface AssociatedCookie {
            /**
             * The cookie object representing the cookie which was not sent.
             */
            cookie: Cookie;
            /**
             * The reason(s) the cookie was blocked. If empty means the cookie is included.
             */
            blockedReasons: CookieBlockedReason[];
            /**
             * The reason the cookie should have been blocked by 3PCD but is exempted. A cookie could
             * only have at most one exemption reason.
             */
            exemptionReason?: CookieExemptionReason;
        }

        /**
         * Cookie parameter object
         */
        export interface CookieParam {
            /**
             * Cookie name.
             */
            name: string;
            /**
             * Cookie value.
             */
            value: string;
            /**
             * The request-URI to associate with the setting of the cookie. This value can affect the
             * default domain, path, source port, and source scheme values of the created cookie.
             */
            url?: string;
            /**
             * Cookie domain.
             */
            domain?: string;
            /**
             * Cookie path.
             */
            path?: string;
            /**
             * True if cookie is secure.
             */
            secure?: boolean;
            /**
             * True if cookie is http-only.
             */
            httpOnly?: boolean;
            /**
             * Cookie SameSite type.
             */
            sameSite?: CookieSameSite;
            /**
             * Cookie expiration date, session cookie if not set
             */
            expires?: TimeSinceEpoch;
            /**
             * Cookie Priority.
             * @experimental
             */
            priority?: CookiePriority;
            /**
             * True if cookie is SameParty.
             * @experimental
             */
            sameParty?: boolean;
            /**
             * Cookie source scheme type.
             * @experimental
             */
            sourceScheme?: CookieSourceScheme;
            /**
             * Cookie source port. Valid values are {-1, [1, 65535]}, -1 indicates an unspecified port.
             * An unspecified port value allows protocol clients to emulate legacy cookie scope for the port.
             * This is a temporary ability and it will be removed in the future.
             * @experimental
             */
            sourcePort?: integer;
            /**
             * Cookie partition key. If not set, the cookie will be set as not partitioned.
             * @experimental
             */
            partitionKey?: CookiePartitionKey;
        }

        export const enum AuthChallengeSource {
            Server = 'Server',
            Proxy = 'Proxy',
        }

        /**
         * Authorization challenge for HTTP status code 401 or 407.
         * @experimental
         */
        export interface AuthChallenge {
            /**
             * Source of the authentication challenge.
             */
            source?: ('Server' | 'Proxy');
            /**
             * Origin of the challenger.
             */
            origin: string;
            /**
             * The authentication scheme used, such as basic or digest
             */
            scheme: string;
            /**
             * The realm of the challenge. May be empty.
             */
            realm: string;
        }

        export const enum AuthChallengeResponseResponse {
            Default = 'Default',
            CancelAuth = 'CancelAuth',
            ProvideCredentials = 'ProvideCredentials',
        }

        /**
         * Response to an AuthChallenge.
         * @experimental
         */
        export interface AuthChallengeResponse {
            /**
             * The decision on what to do in response to the authorization challenge.  Default means
             * deferring to the default behavior of the net stack, which will likely either the Cancel
             * authentication or display a popup dialog box.
             */
            response: ('Default' | 'CancelAuth' | 'ProvideCredentials');
            /**
             * The username to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            username?: string;
            /**
             * The password to provide, possibly empty. Should only be set if response is
             * ProvideCredentials.
             */
            password?: string;
        }

        /**
         * Stages of the interception to begin intercepting. Request will intercept before the request is
         * sent. Response will intercept after the response is received.
         * @experimental
         */
        export type InterceptionStage = ('Request' | 'HeadersReceived');

        /**
         * Request pattern for interception.
         * @experimental
         */
        export interface RequestPattern {
            /**
             * Wildcards (`'*'` -> zero or more, `'?'` -> exactly one) are allowed. Escape character is
             * backslash. Omitting is equivalent to `"*"`.
             */
            urlPattern?: string;
            /**
             * If set, only requests for matching resource types will be intercepted.
             */
            resourceType?: ResourceType;
            /**
             * Stage at which to begin intercepting requests. Default is Request.
             */
            interceptionStage?: InterceptionStage;
        }

        /**
         * Information about a signed exchange signature.
         * https://wicg.github.io/webpackage/draft-yasskin-httpbis-origin-signed-exchanges-impl.html#rfc.section.3.1
         * @experimental
         */
        export interface SignedExchangeSignature {
            /**
             * Signed exchange signature label.
             */
            label: string;
            /**
             * The hex string of signed exchange signature.
             */
            signature: string;
            /**
             * Signed exchange signature integrity.
             */
            integrity: string;
            /**
             * Signed exchange signature cert Url.
             */
            certUrl?: string;
            /**
             * The hex string of signed exchange signature cert sha256.
             */
            certSha256?: string;
            /**
             * Signed exchange signature validity Url.
             */
            validityUrl: string;
            /**
             * Signed exchange signature date.
             */
            date: integer;
            /**
             * Signed exchange signature expires.
             */
            expires: integer;
            /**
             * The encoded certificates.
             */
            certificates?: string[];
        }

        /**
         * Information about a signed exchange header.
         * https://wicg.github.io/webpackage/draft-yasskin-httpbis-origin-signed-exchanges-impl.html#cbor-representation
         * @experimental
         */
        export interface SignedExchangeHeader {
            /**
             * Signed exchange request URL.
             */
            requestUrl: string;
            /**
             * Signed exchange response code.
             */
            responseCode: integer;
            /**
             * Signed exchange response headers.
             */
            responseHeaders: Headers;
            /**
             * Signed exchange response signature.
             */
            signatures: SignedExchangeSignature[];
            /**
             * Signed exchange header integrity hash in the form of `sha256-<base64-hash-value>`.
             */
            headerIntegrity: string;
        }

        /**
         * Field type for a signed exchange related error.
         * @experimental
         */
        export type SignedExchangeErrorField = ('signatureSig' | 'signatureIntegrity' | 'signatureCertUrl' | 'signatureCertSha256' | 'signatureValidityUrl' | 'signatureTimestamps');

        /**
         * Information about a signed exchange response.
         * @experimental
         */
        export interface SignedExchangeError {
            /**
             * Error message.
             */
            message: string;
            /**
             * The index of the signature which caused the error.
             */
            signatureIndex?: integer;
            /**
             * The field which caused the error.
             */
            errorField?: SignedExchangeErrorField;
        }

        /**
         * Information about a signed exchange response.
         * @experimental
         */
        export interface SignedExchangeInfo {
            /**
             * The outer response of signed HTTP exchange which was received from network.
             */
            outerResponse: Response;
            /**
             * Whether network response for the signed exchange was accompanied by
             * extra headers.
             */
            hasExtraInfo: boolean;
            /**
             * Information about the signed exchange header.
             */
            header?: SignedExchangeHeader;
            /**
             * Security details for the signed exchange header.
             */
            securityDetails?: SecurityDetails;
            /**
             * Errors occurred while handling the signed exchange.
             */
            errors?: SignedExchangeError[];
        }

        /**
         * List of content encodings supported by the backend.
         * @experimental
         */
        export type ContentEncoding = ('deflate' | 'gzip' | 'br' | 'zstd');

        /**
         * @experimental
         */
        export interface NetworkConditions {
            /**
             * Only matching requests will be affected by these conditions. Patterns use the URLPattern constructor string
             * syntax (https://urlpattern.spec.whatwg.org/). If the pattern is empty, all requests are matched (including p2p
             * connections).
             */
            urlPattern: string;
            /**
             * Minimum latency from request sent to response headers received (ms).
             */
            latency: number;
            /**
             * Maximal aggregated download throughput (bytes/sec). -1 disables download throttling.
             */
            downloadThroughput: number;
            /**
             * Maximal aggregated upload throughput (bytes/sec).  -1 disables upload throttling.
             */
            uploadThroughput: number;
            /**
             * Connection type if known.
             */
            connectionType?: ConnectionType;
            /**
             * WebRTC packet loss (percent, 0-100). 0 disables packet loss emulation, 100 drops all the packets.
             */
            packetLoss?: number;
            /**
             * WebRTC packet queue length (packet). 0 removes any queue length limitations.
             */
            packetQueueLength?: integer;
            /**
             * WebRTC packetReordering feature.
             */
            packetReordering?: boolean;
        }

        /**
         * @experimental
         */
        export type DirectSocketDnsQueryType = ('ipv4' | 'ipv6');

        /**
         * @experimental
         */
        export interface DirectTCPSocketOptions {
            /**
             * TCP_NODELAY option
             */
            noDelay: boolean;
            /**
             * Expected to be unsigned integer.
             */
            keepAliveDelay?: number;
            /**
             * Expected to be unsigned integer.
             */
            sendBufferSize?: number;
            /**
             * Expected to be unsigned integer.
             */
            receiveBufferSize?: number;
            dnsQueryType?: DirectSocketDnsQueryType;
        }

        /**
         * @experimental
         */
        export interface DirectUDPSocketOptions {
            remoteAddr?: string;
            /**
             * Unsigned int 16.
             */
            remotePort?: integer;
            localAddr?: string;
            /**
             * Unsigned int 16.
             */
            localPort?: integer;
            dnsQueryType?: DirectSocketDnsQueryType;
            /**
             * Expected to be unsigned integer.
             */
            sendBufferSize?: number;
            /**
             * Expected to be unsigned integer.
             */
            receiveBufferSize?: number;
        }

        /**
         * @experimental
         */
        export interface DirectUDPMessage {
            data: string;
            /**
             * Null for connected mode.
             */
            remoteAddr?: string;
            /**
             * Null for connected mode.
             * Expected to be unsigned integer.
             */
            remotePort?: integer;
        }

        /**
         * @experimental
         */
        export type PrivateNetworkRequestPolicy = ('Allow' | 'BlockFromInsecureToMorePrivate' | 'WarnFromInsecureToMorePrivate' | 'PreflightBlock' | 'PreflightWarn' | 'PermissionBlock' | 'PermissionWarn');

        /**
         * @experimental
         */
        export type IPAddressSpace = ('Loopback' | 'Local' | 'Public' | 'Unknown');

        /**
         * @experimental
         */
        export interface ConnectTiming {
            /**
             * Timing's requestTime is a baseline in seconds, while the other numbers are ticks in
             * milliseconds relatively to this requestTime. Matches ResourceTiming's requestTime for
             * the same request (but not for redirected requests).
             */
            requestTime: number;
        }

        /**
         * @experimental
         */
        export interface ClientSecurityState {
            initiatorIsSecureContext: boolean;
            initiatorIPAddressSpace: IPAddressSpace;
            privateNetworkRequestPolicy: PrivateNetworkRequestPolicy;
        }

        /**
         * @experimental
         */
        export type CrossOriginOpenerPolicyValue = ('SameOrigin' | 'SameOriginAllowPopups' | 'RestrictProperties' | 'UnsafeNone' | 'SameOriginPlusCoep' | 'RestrictPropertiesPlusCoep' | 'NoopenerAllowPopups');

        /**
         * @experimental
         */
        export interface CrossOriginOpenerPolicyStatus {
            value: CrossOriginOpenerPolicyValue;
            reportOnlyValue: CrossOriginOpenerPolicyValue;
            reportingEndpoint?: string;
            reportOnlyReportingEndpoint?: string;
        }

        /**
         * @experimental
         */
        export type CrossOriginEmbedderPolicyValue = ('None' | 'Credentialless' | 'RequireCorp');

        /**
         * @experimental
         */
        export interface CrossOriginEmbedderPolicyStatus {
            value: CrossOriginEmbedderPolicyValue;
            reportOnlyValue: CrossOriginEmbedderPolicyValue;
            reportingEndpoint?: string;
            reportOnlyReportingEndpoint?: string;
        }

        /**
         * @experimental
         */
        export type ContentSecurityPolicySource = ('HTTP' | 'Meta');

        /**
         * @experimental
         */
        export interface ContentSecurityPolicyStatus {
            effectiveDirectives: string;
            isEnforced: boolean;
            source: ContentSecurityPolicySource;
        }

        /**
         * @experimental
         */
        export interface SecurityIsolationStatus {
            coop?: CrossOriginOpenerPolicyStatus;
            coep?: CrossOriginEmbedderPolicyStatus;
            csp?: ContentSecurityPolicyStatus[];
        }

        /**
         * The status of a Reporting API report.
         * @experimental
         */
        export type ReportStatus = ('Queued' | 'Pending' | 'MarkedForRemoval' | 'Success');

        /**
         * @experimental
         */
        export type ReportId = string;

        /**
         * An object representing a report generated by the Reporting API.
         * @experimental
         */
        export interface ReportingApiReport {
            id: ReportId;
            /**
             * The URL of the document that triggered the report.
             */
            initiatorUrl: string;
            /**
             * The name of the endpoint group that should be used to deliver the report.
             */
            destination: string;
            /**
             * The type of the report (specifies the set of data that is contained in the report body).
             */
            type: string;
            /**
             * When the report was generated.
             */
            timestamp: Network.TimeSinceEpoch;
            /**
             * How many uploads deep the related request was.
             */
            depth: integer;
            /**
             * The number of delivery attempts made so far, not including an active attempt.
             */
            completedAttempts: integer;
            body: any;
            status: ReportStatus;
        }

        /**
         * @experimental
         */
        export interface ReportingApiEndpoint {
            /**
             * The URL of the endpoint to which reports may be delivered.
             */
            url: string;
            /**
             * Name of the endpoint group.
             */
            groupName: string;
        }

        /**
         * An object providing the result of a network resource load.
         * @experimental
         */
        export interface LoadNetworkResourcePageResult {
            success: boolean;
            /**
             * Optional values used for error reporting.
             */
            netError?: number;
            netErrorName?: string;
            httpStatusCode?: number;
            /**
             * If successful, one of the following two fields holds the result.
             */
            stream?: IO.StreamHandle;
            /**
             * Response headers.
             */
            headers?: Network.Headers;
        }

        /**
         * An options object that may be extended later to better support CORS,
         * CORB and streaming.
         * @experimental
         */
        export interface LoadNetworkResourceOptions {
            disableCache: boolean;
            includeCredentials: boolean;
        }

        export interface GetIPProtectionProxyStatusResponse {
            /**
             * Whether IP proxy is available
             */
            status: IpProxyStatus;
        }

        export interface SetIPProtectionProxyBypassEnabledRequest {
            /**
             * Whether IP Proxy is being bypassed by devtools; false by default.
             */
            enabled: boolean;
        }

        export interface SetAcceptedEncodingsRequest {
            /**
             * List of accepted content encodings.
             */
            encodings: ContentEncoding[];
        }

        export interface CanClearBrowserCacheResponse {
            /**
             * True if browser cache can be cleared.
             */
            result: boolean;
        }

        export interface CanClearBrowserCookiesResponse {
            /**
             * True if browser cookies can be cleared.
             */
            result: boolean;
        }

        export interface CanEmulateNetworkConditionsResponse {
            /**
             * True if emulation of network conditions is supported.
             */
            result: boolean;
        }

        export interface ContinueInterceptedRequestRequest {
            interceptionId: InterceptionId;
            /**
             * If set this causes the request to fail with the given reason. Passing `Aborted` for requests
             * marked with `isNavigationRequest` also cancels the navigation. Must not be set in response
             * to an authChallenge.
             */
            errorReason?: ErrorReason;
            /**
             * If set the requests completes using with the provided base64 encoded raw response, including
             * HTTP status line and headers etc... Must not be set in response to an authChallenge. (Encoded as a base64 string when passed over JSON)
             */
            rawResponse?: string;
            /**
             * If set the request url will be modified in a way that's not observable by page. Must not be
             * set in response to an authChallenge.
             */
            url?: string;
            /**
             * If set this allows the request method to be overridden. Must not be set in response to an
             * authChallenge.
             */
            method?: string;
            /**
             * If set this allows postData to be set. Must not be set in response to an authChallenge.
             */
            postData?: string;
            /**
             * If set this allows the request headers to be changed. Must not be set in response to an
             * authChallenge.
             */
            headers?: Headers;
            /**
             * Response to a requestIntercepted with an authChallenge. Must not be set otherwise.
             */
            authChallengeResponse?: AuthChallengeResponse;
        }

        export interface DeleteCookiesRequest {
            /**
             * Name of the cookies to remove.
             */
            name: string;
            /**
             * If specified, deletes all the cookies with the given name where domain and path match
             * provided URL.
             */
            url?: string;
            /**
             * If specified, deletes only cookies with the exact domain.
             */
            domain?: string;
            /**
             * If specified, deletes only cookies with the exact path.
             */
            path?: string;
            /**
             * If specified, deletes only cookies with the the given name and partitionKey where
             * all partition key attributes match the cookie partition key attribute.
             * @experimental
             */
            partitionKey?: CookiePartitionKey;
        }

        export interface EmulateNetworkConditionsRequest {
            /**
             * True to emulate internet disconnection.
             */
            offline: boolean;
            /**
             * Minimum latency from request sent to response headers received (ms).
             */
            latency: number;
            /**
             * Maximal aggregated download throughput (bytes/sec). -1 disables download throttling.
             */
            downloadThroughput: number;
            /**
             * Maximal aggregated upload throughput (bytes/sec).  -1 disables upload throttling.
             */
            uploadThroughput: number;
            /**
             * Connection type if known.
             */
            connectionType?: ConnectionType;
            /**
             * WebRTC packet loss (percent, 0-100). 0 disables packet loss emulation, 100 drops all the packets.
             * @experimental
             */
            packetLoss?: number;
            /**
             * WebRTC packet queue length (packet). 0 removes any queue length limitations.
             * @experimental
             */
            packetQueueLength?: integer;
            /**
             * WebRTC packetReordering feature.
             * @experimental
             */
            packetReordering?: boolean;
        }

        export interface EmulateNetworkConditionsByRuleRequest {
            /**
             * True to emulate internet disconnection.
             */
            offline: boolean;
            /**
             * Configure conditions for matching requests. If multiple entries match a request, the first entry wins.  Global
             * conditions can be configured by leaving the urlPattern for the conditions empty. These global conditions are
             * also applied for throttling of p2p connections.
             */
            matchedNetworkConditions: NetworkConditions[];
        }

        export interface EmulateNetworkConditionsByRuleResponse {
            /**
             * An id for each entry in matchedNetworkConditions. The id will be included in the requestWillBeSentExtraInfo for
             * requests affected by a rule.
             */
            ruleIds: string[];
        }

        export interface OverrideNetworkStateRequest {
            /**
             * True to emulate internet disconnection.
             */
            offline: boolean;
            /**
             * Minimum latency from request sent to response headers received (ms).
             */
            latency: number;
            /**
             * Maximal aggregated download throughput (bytes/sec). -1 disables download throttling.
             */
            downloadThroughput: number;
            /**
             * Maximal aggregated upload throughput (bytes/sec).  -1 disables upload throttling.
             */
            uploadThroughput: number;
            /**
             * Connection type if known.
             */
            connectionType?: ConnectionType;
        }

        export interface EnableRequest {
            /**
             * Buffer size in bytes to use when preserving network payloads (XHRs, etc).
             * @experimental
             */
            maxTotalBufferSize?: integer;
            /**
             * Per-resource buffer size in bytes to use when preserving network payloads (XHRs, etc).
             * @experimental
             */
            maxResourceBufferSize?: integer;
            /**
             * Longest post body size (in bytes) that would be included in requestWillBeSent notification
             */
            maxPostDataSize?: integer;
            /**
             * Whether DirectSocket chunk send/receive events should be reported.
             * @experimental
             */
            reportDirectSocketTraffic?: boolean;
            /**
             * Enable storing response bodies outside of renderer, so that these survive
             * a cross-process navigation. Requires maxTotalBufferSize to be set.
             * Currently defaults to false.
             * @experimental
             */
            enableDurableMessages?: boolean;
        }

        export interface GetAllCookiesResponse {
            /**
             * Array of cookie objects.
             */
            cookies: Cookie[];
        }

        export interface GetCertificateRequest {
            /**
             * Origin to get certificate for.
             */
            origin: string;
        }

        export interface GetCertificateResponse {
            tableNames: string[];
        }

        export interface GetCookiesRequest {
            /**
             * The list of URLs for which applicable cookies will be fetched.
             * If not specified, it's assumed to be set to the list containing
             * the URLs of the page and all of its subframes.
             */
            urls?: string[];
        }

        export interface GetCookiesResponse {
            /**
             * Array of cookie objects.
             */
            cookies: Cookie[];
        }

        export interface GetResponseBodyRequest {
            /**
             * Identifier of the network request to get content for.
             */
            requestId: RequestId;
        }

        export interface GetResponseBodyResponse {
            /**
             * Response body.
             */
            body: string;
            /**
             * True, if content was sent as base64.
             */
            base64Encoded: boolean;
        }

        export interface GetRequestPostDataRequest {
            /**
             * Identifier of the network request to get content for.
             */
            requestId: RequestId;
        }

        export interface GetRequestPostDataResponse {
            /**
             * Request body string, omitting files from multipart requests
             */
            postData: string;
        }

        export interface GetResponseBodyForInterceptionRequest {
            /**
             * Identifier for the intercepted request to get body for.
             */
            interceptionId: InterceptionId;
        }

        export interface GetResponseBodyForInterceptionResponse {
            /**
             * Response body.
             */
            body: string;
            /**
             * True, if content was sent as base64.
             */
            base64Encoded: boolean;
        }

        export interface TakeResponseBodyForInterceptionAsStreamRequest {
            interceptionId: InterceptionId;
        }

        export interface TakeResponseBodyForInterceptionAsStreamResponse {
            stream: IO.StreamHandle;
        }

        export interface ReplayXHRRequest {
            /**
             * Identifier of XHR to replay.
             */
            requestId: RequestId;
        }

        export interface SearchInResponseBodyRequest {
            /**
             * Identifier of the network response to search.
             */
            requestId: RequestId;
            /**
             * String to search for.
             */
            query: string;
            /**
             * If true, search is case sensitive.
             */
            caseSensitive?: boolean;
            /**
             * If true, treats string parameter as regex.
             */
            isRegex?: boolean;
        }

        export interface SearchInResponseBodyResponse {
            /**
             * List of search matches.
             */
            result: Debugger.SearchMatch[];
        }

        export interface SetBlockedURLsRequest {
            /**
             * URL patterns to block. Wildcards ('*') are allowed.
             */
            urls: string[];
        }

        export interface SetBypassServiceWorkerRequest {
            /**
             * Bypass service worker and load from network.
             */
            bypass: boolean;
        }

        export interface SetCacheDisabledRequest {
            /**
             * Cache disabled state.
             */
            cacheDisabled: boolean;
        }

        export interface SetCookieRequest {
            /**
             * Cookie name.
             */
            name: string;
            /**
             * Cookie value.
             */
            value: string;
            /**
             * The request-URI to associate with the setting of the cookie. This value can affect the
             * default domain, path, source port, and source scheme values of the created cookie.
             */
            url?: string;
            /**
             * Cookie domain.
             */
            domain?: string;
            /**
             * Cookie path.
             */
            path?: string;
            /**
             * True if cookie is secure.
             */
            secure?: boolean;
            /**
             * True if cookie is http-only.
             */
            httpOnly?: boolean;
            /**
             * Cookie SameSite type.
             */
            sameSite?: CookieSameSite;
            /**
             * Cookie expiration date, session cookie if not set
             */
            expires?: TimeSinceEpoch;
            /**
             * Cookie Priority type.
             * @experimental
             */
            priority?: CookiePriority;
            /**
             * True if cookie is SameParty.
             * @experimental
             */
            sameParty?: boolean;
            /**
             * Cookie source scheme type.
             * @experimental
             */
            sourceScheme?: CookieSourceScheme;
            /**
             * Cookie source port. Valid values are {-1, [1, 65535]}, -1 indicates an unspecified port.
             * An unspecified port value allows protocol clients to emulate legacy cookie scope for the port.
             * This is a temporary ability and it will be removed in the future.
             * @experimental
             */
            sourcePort?: integer;
            /**
             * Cookie partition key. If not set, the cookie will be set as not partitioned.
             * @experimental
             */
            partitionKey?: CookiePartitionKey;
        }

        export interface SetCookieResponse {
            /**
             * Always set to true. If an error occurs, the response indicates protocol error.
             * @deprecated
             */
            success: boolean;
        }

        export interface SetCookiesRequest {
            /**
             * Cookies to be set.
             */
            cookies: CookieParam[];
        }

        export interface SetExtraHTTPHeadersRequest {
            /**
             * Map with extra HTTP headers.
             */
            headers: Headers;
        }

        export interface SetAttachDebugStackRequest {
            /**
             * Whether to attach a page script stack for debugging purpose.
             */
            enabled: boolean;
        }

        export interface SetRequestInterceptionRequest {
            /**
             * Requests matching any of these patterns will be forwarded and wait for the corresponding
             * continueInterceptedRequest call.
             */
            patterns: RequestPattern[];
        }

        export interface SetUserAgentOverrideRequest {
            /**
             * User agent to use.
             */
            userAgent: string;
            /**
             * Browser language to emulate.
             */
            acceptLanguage?: string;
            /**
             * The platform navigator.platform should return.
             */
            platform?: string;
            /**
             * To be sent in Sec-CH-UA-* headers and returned in navigator.userAgentData
             * @experimental
             */
            userAgentMetadata?: Emulation.UserAgentMetadata;
        }

        export interface StreamResourceContentRequest {
            /**
             * Identifier of the request to stream.
             */
            requestId: RequestId;
        }

        export interface StreamResourceContentResponse {
            /**
             * Data that has been buffered until streaming is enabled. (Encoded as a base64 string when passed over JSON)
             */
            bufferedData: string;
        }

        export interface GetSecurityIsolationStatusRequest {
            /**
             * If no frameId is provided, the status of the target is provided.
             */
            frameId?: Page.FrameId;
        }

        export interface GetSecurityIsolationStatusResponse {
            status: SecurityIsolationStatus;
        }

        export interface EnableReportingApiRequest {
            /**
             * Whether to enable or disable events for the Reporting API
             */
            enable: boolean;
        }

        export interface LoadNetworkResourceRequest {
            /**
             * Frame id to get the resource for. Mandatory for frame targets, and
             * should be omitted for worker targets.
             */
            frameId?: Page.FrameId;
            /**
             * URL of the resource to get content for.
             */
            url: string;
            /**
             * Options for the request.
             */
            options: LoadNetworkResourceOptions;
        }

        export interface LoadNetworkResourceResponse {
            resource: LoadNetworkResourcePageResult;
        }

        export interface SetCookieControlsRequest {
            /**
             * Whether 3pc restriction is enabled.
             */
            enableThirdPartyCookieRestriction: boolean;
            /**
             * Whether 3pc grace period exception should be enabled; false by default.
             */
            disableThirdPartyCookieMetadata: boolean;
            /**
             * Whether 3pc heuristics exceptions should be enabled; false by default.
             */
            disableThirdPartyCookieHeuristics: boolean;
        }

        /**
         * Fired when data chunk was received over the network.
         */
        export interface DataReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Data chunk length.
             */
            dataLength: integer;
            /**
             * Actual bytes received (might be less than dataLength for compressed encodings).
             */
            encodedDataLength: integer;
            /**
             * Data that was received. (Encoded as a base64 string when passed over JSON)
             * @experimental
             */
            data?: string;
        }

        /**
         * Fired when EventSource message is received.
         */
        export interface EventSourceMessageReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Message type.
             */
            eventName: string;
            /**
             * Message identifier.
             */
            eventId: string;
            /**
             * Message content.
             */
            data: string;
        }

        /**
         * Fired when HTTP request has failed to load.
         */
        export interface LoadingFailedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Resource type.
             */
            type: ResourceType;
            /**
             * Error message. List of network errors: https://cs.chromium.org/chromium/src/net/base/net_error_list.h
             */
            errorText: string;
            /**
             * True if loading was canceled.
             */
            canceled?: boolean;
            /**
             * The reason why loading was blocked, if any.
             */
            blockedReason?: BlockedReason;
            /**
             * The reason why loading was blocked by CORS, if any.
             */
            corsErrorStatus?: CorsErrorStatus;
        }

        /**
         * Fired when HTTP request has finished loading.
         */
        export interface LoadingFinishedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Total number of bytes received for this request.
             */
            encodedDataLength: number;
        }

        /**
         * Details of an intercepted HTTP request, which must be either allowed, blocked, modified or
         * mocked.
         * Deprecated, use Fetch.requestPaused instead.
         * @deprecated
         * @experimental
         */
        export interface RequestInterceptedEvent {
            /**
             * Each request the page makes will have a unique id, however if any redirects are encountered
             * while processing that fetch, they will be reported with the same id as the original fetch.
             * Likewise if HTTP authentication is needed then the same fetch id will be used.
             */
            interceptionId: InterceptionId;
            request: Request;
            /**
             * The id of the frame that initiated the request.
             */
            frameId: Page.FrameId;
            /**
             * How the requested resource will be used.
             */
            resourceType: ResourceType;
            /**
             * Whether this is a navigation request, which can abort the navigation completely.
             */
            isNavigationRequest: boolean;
            /**
             * Set if the request is a navigation that will result in a download.
             * Only present after response is received from the server (i.e. HeadersReceived stage).
             */
            isDownload?: boolean;
            /**
             * Redirect location, only sent if a redirect was intercepted.
             */
            redirectUrl?: string;
            /**
             * Details of the Authorization Challenge encountered. If this is set then
             * continueInterceptedRequest must contain an authChallengeResponse.
             */
            authChallenge?: AuthChallenge;
            /**
             * Response error if intercepted at response stage or if redirect occurred while intercepting
             * request.
             */
            responseErrorReason?: ErrorReason;
            /**
             * Response code if intercepted at response stage or if redirect occurred while intercepting
             * request or auth retry occurred.
             */
            responseStatusCode?: integer;
            /**
             * Response headers if intercepted at the response stage or if redirect occurred while
             * intercepting request or auth retry occurred.
             */
            responseHeaders?: Headers;
            /**
             * If the intercepted request had a corresponding requestWillBeSent event fired for it, then
             * this requestId will be the same as the requestId present in the requestWillBeSent event.
             */
            requestId?: RequestId;
        }

        /**
         * Fired if request ended up loading from cache.
         */
        export interface RequestServedFromCacheEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
        }

        /**
         * Fired when page is about to send HTTP request.
         */
        export interface RequestWillBeSentEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Loader identifier. Empty string if the request is fetched from worker.
             */
            loaderId: LoaderId;
            /**
             * URL of the document this request is loaded for.
             */
            documentURL: string;
            /**
             * Request data.
             */
            request: Request;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Timestamp.
             */
            wallTime: TimeSinceEpoch;
            /**
             * Request initiator.
             */
            initiator: Initiator;
            /**
             * In the case that redirectResponse is populated, this flag indicates whether
             * requestWillBeSentExtraInfo and responseReceivedExtraInfo events will be or were emitted
             * for the request which was just redirected.
             * @experimental
             */
            redirectHasExtraInfo: boolean;
            /**
             * Redirect response data.
             */
            redirectResponse?: Response;
            /**
             * Type of this resource.
             */
            type?: ResourceType;
            /**
             * Frame identifier.
             */
            frameId?: Page.FrameId;
            /**
             * Whether the request is initiated by a user gesture. Defaults to false.
             */
            hasUserGesture?: boolean;
        }

        /**
         * Fired when resource loading priority is changed
         * @experimental
         */
        export interface ResourceChangedPriorityEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * New priority
             */
            newPriority: ResourcePriority;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
        }

        /**
         * Fired when a signed exchange was received over the network
         * @experimental
         */
        export interface SignedExchangeReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Information about the signed exchange response.
             */
            info: SignedExchangeInfo;
        }

        /**
         * Fired when HTTP response is available.
         */
        export interface ResponseReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Loader identifier. Empty string if the request is fetched from worker.
             */
            loaderId: LoaderId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Resource type.
             */
            type: ResourceType;
            /**
             * Response data.
             */
            response: Response;
            /**
             * Indicates whether requestWillBeSentExtraInfo and responseReceivedExtraInfo events will be
             * or were emitted for this request.
             * @experimental
             */
            hasExtraInfo: boolean;
            /**
             * Frame identifier.
             */
            frameId?: Page.FrameId;
        }

        /**
         * Fired when WebSocket is closed.
         */
        export interface WebSocketClosedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
        }

        /**
         * Fired upon WebSocket creation.
         */
        export interface WebSocketCreatedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * WebSocket request URL.
             */
            url: string;
            /**
             * Request initiator.
             */
            initiator?: Initiator;
        }

        /**
         * Fired when WebSocket message error occurs.
         */
        export interface WebSocketFrameErrorEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket error message.
             */
            errorMessage: string;
        }

        /**
         * Fired when WebSocket message is received.
         */
        export interface WebSocketFrameReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket response data.
             */
            response: WebSocketFrame;
        }

        /**
         * Fired when WebSocket message is sent.
         */
        export interface WebSocketFrameSentEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket response data.
             */
            response: WebSocketFrame;
        }

        /**
         * Fired when WebSocket handshake response becomes available.
         */
        export interface WebSocketHandshakeResponseReceivedEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * WebSocket response data.
             */
            response: WebSocketResponse;
        }

        /**
         * Fired when WebSocket is about to initiate handshake.
         */
        export interface WebSocketWillSendHandshakeRequestEvent {
            /**
             * Request identifier.
             */
            requestId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * UTC Timestamp.
             */
            wallTime: TimeSinceEpoch;
            /**
             * WebSocket request data.
             */
            request: WebSocketRequest;
        }

        /**
         * Fired upon WebTransport creation.
         */
        export interface WebTransportCreatedEvent {
            /**
             * WebTransport identifier.
             */
            transportId: RequestId;
            /**
             * WebTransport request URL.
             */
            url: string;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
            /**
             * Request initiator.
             */
            initiator?: Initiator;
        }

        /**
         * Fired when WebTransport handshake is finished.
         */
        export interface WebTransportConnectionEstablishedEvent {
            /**
             * WebTransport identifier.
             */
            transportId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
        }

        /**
         * Fired when WebTransport is disposed.
         */
        export interface WebTransportClosedEvent {
            /**
             * WebTransport identifier.
             */
            transportId: RequestId;
            /**
             * Timestamp.
             */
            timestamp: MonotonicTime;
        }

        /**
         * Fired upon direct_socket.TCPSocket creation.
         * @experimental
         */
        export interface DirectTCPSocketCreatedEvent {
            identifier: RequestId;
            remoteAddr: string;
            /**
             * Unsigned int 16.
             */
            remotePort: integer;
            options: DirectTCPSocketOptions;
            timestamp: MonotonicTime;
            initiator?: Initiator;
        }

        /**
         * Fired when direct_socket.TCPSocket connection is opened.
         * @experimental
         */
        export interface DirectTCPSocketOpenedEvent {
            identifier: RequestId;
            remoteAddr: string;
            /**
             * Expected to be unsigned integer.
             */
            remotePort: integer;
            timestamp: MonotonicTime;
            localAddr?: string;
            /**
             * Expected to be unsigned integer.
             */
            localPort?: integer;
        }

        /**
         * Fired when direct_socket.TCPSocket is aborted.
         * @experimental
         */
        export interface DirectTCPSocketAbortedEvent {
            identifier: RequestId;
            errorMessage: string;
            timestamp: MonotonicTime;
        }

        /**
         * Fired when direct_socket.TCPSocket is closed.
         * @experimental
         */
        export interface DirectTCPSocketClosedEvent {
            identifier: RequestId;
            timestamp: MonotonicTime;
        }

        /**
         * Fired when data is sent to tcp direct socket stream.
         * @experimental
         */
        export interface DirectTCPSocketChunkSentEvent {
            identifier: RequestId;
            data: string;
            timestamp: MonotonicTime;
        }

        /**
         * Fired when data is received from tcp direct socket stream.
         * @experimental
         */
        export interface DirectTCPSocketChunkReceivedEvent {
            identifier: RequestId;
            data: string;
            timestamp: MonotonicTime;
        }

        /**
         * Fired upon direct_socket.UDPSocket creation.
         * @experimental
         */
        export interface DirectUDPSocketCreatedEvent {
            identifier: RequestId;
            options: DirectUDPSocketOptions;
            timestamp: MonotonicTime;
            initiator?: Initiator;
        }

        /**
         * Fired when direct_socket.UDPSocket connection is opened.
         * @experimental
         */
        export interface DirectUDPSocketOpenedEvent {
            identifier: RequestId;
            localAddr: string;
            /**
             * Expected to be unsigned integer.
             */
            localPort: integer;
            timestamp: MonotonicTime;
            remoteAddr?: string;
            /**
             * Expected to be unsigned integer.
             */
            remotePort?: integer;
        }

        /**
         * Fired when direct_socket.UDPSocket is aborted.
         * @experimental
         */
        export interface DirectUDPSocketAbortedEvent {
            identifier: RequestId;
            errorMessage: string;
            timestamp: MonotonicTime;
        }

        /**
         * Fired when direct_socket.UDPSocket is closed.
         * @experimental
         */
        export interface DirectUDPSocketClosedEvent {
            identifier: RequestId;
            timestamp: MonotonicTime;
        }

        /**
         * Fired when message is sent to udp direct socket stream.
         * @experimental
         */
        export interface DirectUDPSocketChunkSentEvent {
            identifier: RequestId;
            message: DirectUDPMessage;
            timestamp: MonotonicTime;
        }

        /**
         * Fired when message is received from udp direct socket stream.
         * @experimental
         */
        export interface DirectUDPSocketChunkReceivedEvent {
            identifier: RequestId;
            message: DirectUDPMessage;
            timestamp: MonotonicTime;
        }

        /**
         * Fired when additional information about a requestWillBeSent event is available from the
         * network stack. Not every requestWillBeSent event will have an additional
         * requestWillBeSentExtraInfo fired for it, and there is no guarantee whether requestWillBeSent
         * or requestWillBeSentExtraInfo will be fired first for the same request.
         * @experimental
         */
        export interface RequestWillBeSentExtraInfoEvent {
            /**
             * Request identifier. Used to match this information to an existing requestWillBeSent event.
             */
            requestId: RequestId;
            /**
             * A list of cookies potentially associated to the requested URL. This includes both cookies sent with
             * the request and the ones not sent; the latter are distinguished by having blockedReasons field set.
             */
            associatedCookies: AssociatedCookie[];
            /**
             * Raw request headers as they will be sent over the wire.
             */
            headers: Headers;
            /**
             * Connection timing information for the request.
             * @experimental
             */
            connectTiming: ConnectTiming;
            /**
             * The client security state set for the request.
             */
            clientSecurityState?: ClientSecurityState;
            /**
             * Whether the site has partitioned cookies stored in a partition different than the current one.
             */
            siteHasCookieInOtherPartition?: boolean;
            /**
             * The network conditions id if this request was affected by network conditions configured via
             * emulateNetworkConditionsByRule.
             */
            appliedNetworkConditionsId?: string;
        }

        /**
         * Fired when additional information about a responseReceived event is available from the network
         * stack. Not every responseReceived event will have an additional responseReceivedExtraInfo for
         * it, and responseReceivedExtraInfo may be fired before or after responseReceived.
         * @experimental
         */
        export interface ResponseReceivedExtraInfoEvent {
            /**
             * Request identifier. Used to match this information to another responseReceived event.
             */
            requestId: RequestId;
            /**
             * A list of cookies which were not stored from the response along with the corresponding
             * reasons for blocking. The cookies here may not be valid due to syntax errors, which
             * are represented by the invalid cookie line string instead of a proper cookie.
             */
            blockedCookies: BlockedSetCookieWithReason[];
            /**
             * Raw response headers as they were received over the wire.
             * Duplicate headers in the response are represented as a single key with their values
             * concatentated using `\n` as the separator.
             * See also `headersText` that contains verbatim text for HTTP/1.*.
             */
            headers: Headers;
            /**
             * The IP address space of the resource. The address space can only be determined once the transport
             * established the connection, so we can't send it in `requestWillBeSentExtraInfo`.
             */
            resourceIPAddressSpace: IPAddressSpace;
            /**
             * The status code of the response. This is useful in cases the request failed and no responseReceived
             * event is triggered, which is the case for, e.g., CORS errors. This is also the correct status code
             * for cached requests, where the status in responseReceived is a 200 and this will be 304.
             */
            statusCode: integer;
            /**
             * Raw response header text as it was received over the wire. The raw text may not always be
             * available, such as in the case of HTTP/2 or QUIC.
             */
            headersText?: string;
            /**
             * The cookie partition key that will be used to store partitioned cookies set in this response.
             * Only sent when partitioned cookies are enabled.
             * @experimental
             */
            cookiePartitionKey?: CookiePartitionKey;
            /**
             * True if partitioned cookies are enabled, but the partition key is not serializable to string.
             */
            cookiePartitionKeyOpaque?: boolean;
            /**
             * A list of cookies which should have been blocked by 3PCD but are exempted and stored from
             * the response with the corresponding reason.
             */
            exemptedCookies?: ExemptedSetCookieWithReason[];
        }

        /**
         * Fired when 103 Early Hints headers is received in addition to the common response.
         * Not every responseReceived event will have an responseReceivedEarlyHints fired.
         * Only one responseReceivedEarlyHints may be fired for eached responseReceived event.
         * @experimental
         */
        export interface ResponseReceivedEarlyHintsEvent {
            /**
             * Request identifier. Used to match this information to another responseReceived event.
             */
            requestId: RequestId;
            /**
             * Raw response headers as they were received over the wire.
             * Duplicate headers in the response are represented as a single key with their values
             * concatentated using `\n` as the separator.
             * See also `headersText` that contains verbatim text for HTTP/1.*.
             */
            headers: Headers;
        }

        export const enum TrustTokenOperationDoneEventStatus {
            Ok = 'Ok',
            InvalidArgument = 'InvalidArgument',
            MissingIssuerKeys = 'MissingIssuerKeys',
            FailedPrecondition = 'FailedPrecondition',
            ResourceExhausted = 'ResourceExhausted',
            AlreadyExists = 'AlreadyExists',
            ResourceLimited = 'ResourceLimited',
            Unauthorized = 'Unauthorized',
            BadResponse = 'BadResponse',
            InternalError = 'InternalError',
            UnknownError = 'UnknownError',
            FulfilledLocally = 'FulfilledLocally',
            SiteIssuerLimit = 'SiteIssuerLimit',
        }

        /**
         * Fired exactly once for each Trust Token operation. Depending on
         * the type of the operation and whether the operation succeeded or
         * failed, the event is fired before the corresponding request was sent
         * or after the response was received.
         * @experimental
         */
        export interface TrustTokenOperationDoneEvent {
            /**
             * Detailed success or error status of the operation.
             * 'AlreadyExists' also signifies a successful operation, as the result
             * of the operation already exists und thus, the operation was abort
             * preemptively (e.g. a cache hit).
             */
            status: ('Ok' | 'InvalidArgument' | 'MissingIssuerKeys' | 'FailedPrecondition' | 'ResourceExhausted' | 'AlreadyExists' | 'ResourceLimited' | 'Unauthorized' | 'BadResponse' | 'InternalError' | 'UnknownError' | 'FulfilledLocally' | 'SiteIssuerLimit');
            type: TrustTokenOperationType;
            requestId: RequestId;
            /**
             * Top level origin. The context in which the operation was attempted.
             */
            topLevelOrigin?: string;
            /**
             * Origin of the issuer in case of a "Issuance" or "Redemption" operation.
             */
            issuerOrigin?: string;
            /**
             * The number of obtained Trust Tokens on a successful "Issuance" operation.
             */
            issuedTokenCount?: integer;
        }

        /**
         * Fired once when parsing the .wbn file has succeeded.
         * The event contains the information about the web bundle contents.
         * @experimental
         */
        export interface SubresourceWebBundleMetadataReceivedEvent {
            /**
             * Request identifier. Used to match this information to another event.
             */
            requestId: RequestId;
            /**
             * A list of URLs of resources in the subresource Web Bundle.
             */
            urls: string[];
        }

        /**
         * Fired once when parsing the .wbn file has failed.
         * @experimental
         */
        export interface SubresourceWebBundleMetadataErrorEvent {
            /**
             * Request identifier. Used to match this information to another event.
             */
            requestId: RequestId;
            /**
             * Error message
             */
            errorMessage: string;
        }

        /**
         * Fired when handling requests for resources within a .wbn file.
         * Note: this will only be fired for resources that are requested by the webpage.
         * @experimental
         */
        export interface SubresourceWebBundleInnerResponseParsedEvent {
            /**
             * Request identifier of the subresource request
             */
            innerRequestId: RequestId;
            /**
             * URL of the subresource resource.
             */
            innerRequestURL: string;
            /**
             * Bundle request identifier. Used to match this information to another event.
             * This made be absent in case when the instrumentation was enabled only
             * after webbundle was parsed.
             */
            bundleRequestId?: RequestId;
        }

        /**
         * Fired when request for resources within a .wbn file failed.
         * @experimental
         */
        export interface SubresourceWebBundleInnerResponseErrorEvent {
            /**
             * Request identifier of the subresource request
             */
            innerRequestId: RequestId;
            /**
             * URL of the subresource resource.
             */
            innerRequestURL: string;
            /**
             * Error message
             */
            errorMessage: string;
            /**
             * Bundle request identifier. Used to match this information to another event.
             * This made be absent in case when the instrumentation was enabled only
             * after webbundle was parsed.
             */
            bundleRequestId?: RequestId;
        }

        /**
         * Is sent whenever a new report is added.
         * And after 'enableReportingApi' for all existing reports.
         * @experimental
         */
        export interface ReportingApiReportAddedEvent {
            report: ReportingApiReport;
        }

        /**
         * @experimental
         */
        export interface ReportingApiReportUpdatedEvent {
            report: ReportingApiReport;
        }

        /**
         * @experimental
         */
        export interface ReportingApiEndpointsChangedForOriginEvent {
            /**
             * Origin of the document(s) which configured the endpoints.
             */
            origin: string;
            endpoints: ReportingApiEndpoint[];
        }
    }

    /**
     * This domain provides various functionality related to drawing atop the inspected page.
     * @experimental
     */
    export namespace Overlay {

        /**
         * Configuration data for drawing the source order of an elements children.
         */
        export interface SourceOrderConfig {
            /**
             * the color to outline the given element in.
             */
            parentOutlineColor: DOM.RGBA;
            /**
             * the color to outline the child elements in.
             */
            childOutlineColor: DOM.RGBA;
        }

        /**
         * Configuration data for the highlighting of Grid elements.
         */
        export interface GridHighlightConfig {
            /**
             * Whether the extension lines from grid cells to the rulers should be shown (default: false).
             */
            showGridExtensionLines?: boolean;
            /**
             * Show Positive line number labels (default: false).
             */
            showPositiveLineNumbers?: boolean;
            /**
             * Show Negative line number labels (default: false).
             */
            showNegativeLineNumbers?: boolean;
            /**
             * Show area name labels (default: false).
             */
            showAreaNames?: boolean;
            /**
             * Show line name labels (default: false).
             */
            showLineNames?: boolean;
            /**
             * Show track size labels (default: false).
             */
            showTrackSizes?: boolean;
            /**
             * The grid container border highlight color (default: transparent).
             */
            gridBorderColor?: DOM.RGBA;
            /**
             * The cell border color (default: transparent). Deprecated, please use rowLineColor and columnLineColor instead.
             * @deprecated
             */
            cellBorderColor?: DOM.RGBA;
            /**
             * The row line color (default: transparent).
             */
            rowLineColor?: DOM.RGBA;
            /**
             * The column line color (default: transparent).
             */
            columnLineColor?: DOM.RGBA;
            /**
             * Whether the grid border is dashed (default: false).
             */
            gridBorderDash?: boolean;
            /**
             * Whether the cell border is dashed (default: false). Deprecated, please us rowLineDash and columnLineDash instead.
             * @deprecated
             */
            cellBorderDash?: boolean;
            /**
             * Whether row lines are dashed (default: false).
             */
            rowLineDash?: boolean;
            /**
             * Whether column lines are dashed (default: false).
             */
            columnLineDash?: boolean;
            /**
             * The row gap highlight fill color (default: transparent).
             */
            rowGapColor?: DOM.RGBA;
            /**
             * The row gap hatching fill color (default: transparent).
             */
            rowHatchColor?: DOM.RGBA;
            /**
             * The column gap highlight fill color (default: transparent).
             */
            columnGapColor?: DOM.RGBA;
            /**
             * The column gap hatching fill color (default: transparent).
             */
            columnHatchColor?: DOM.RGBA;
            /**
             * The named grid areas border color (Default: transparent).
             */
            areaBorderColor?: DOM.RGBA;
            /**
             * The grid container background color (Default: transparent).
             */
            gridBackgroundColor?: DOM.RGBA;
        }

        /**
         * Configuration data for the highlighting of Flex container elements.
         */
        export interface FlexContainerHighlightConfig {
            /**
             * The style of the container border
             */
            containerBorder?: LineStyle;
            /**
             * The style of the separator between lines
             */
            lineSeparator?: LineStyle;
            /**
             * The style of the separator between items
             */
            itemSeparator?: LineStyle;
            /**
             * Style of content-distribution space on the main axis (justify-content).
             */
            mainDistributedSpace?: BoxStyle;
            /**
             * Style of content-distribution space on the cross axis (align-content).
             */
            crossDistributedSpace?: BoxStyle;
            /**
             * Style of empty space caused by row gaps (gap/row-gap).
             */
            rowGapSpace?: BoxStyle;
            /**
             * Style of empty space caused by columns gaps (gap/column-gap).
             */
            columnGapSpace?: BoxStyle;
            /**
             * Style of the self-alignment line (align-items).
             */
            crossAlignment?: LineStyle;
        }

        /**
         * Configuration data for the highlighting of Flex item elements.
         */
        export interface FlexItemHighlightConfig {
            /**
             * Style of the box representing the item's base size
             */
            baseSizeBox?: BoxStyle;
            /**
             * Style of the border around the box representing the item's base size
             */
            baseSizeBorder?: LineStyle;
            /**
             * Style of the arrow representing if the item grew or shrank
             */
            flexibilityArrow?: LineStyle;
        }

        export const enum LineStylePattern {
            Dashed = 'dashed',
            Dotted = 'dotted',
        }

        /**
         * Style information for drawing a line.
         */
        export interface LineStyle {
            /**
             * The color of the line (default: transparent)
             */
            color?: DOM.RGBA;
            /**
             * The line pattern (default: solid)
             */
            pattern?: ('dashed' | 'dotted');
        }

        /**
         * Style information for drawing a box.
         */
        export interface BoxStyle {
            /**
             * The background color for the box (default: transparent)
             */
            fillColor?: DOM.RGBA;
            /**
             * The hatching color for the box (default: transparent)
             */
            hatchColor?: DOM.RGBA;
        }

        export type ContrastAlgorithm = ('aa' | 'aaa' | 'apca');

        /**
         * Configuration data for the highlighting of page elements.
         */
        export interface HighlightConfig {
            /**
             * Whether the node info tooltip should be shown (default: false).
             */
            showInfo?: boolean;
            /**
             * Whether the node styles in the tooltip (default: false).
             */
            showStyles?: boolean;
            /**
             * Whether the rulers should be shown (default: false).
             */
            showRulers?: boolean;
            /**
             * Whether the a11y info should be shown (default: true).
             */
            showAccessibilityInfo?: boolean;
            /**
             * Whether the extension lines from node to the rulers should be shown (default: false).
             */
            showExtensionLines?: boolean;
            /**
             * The content box highlight fill color (default: transparent).
             */
            contentColor?: DOM.RGBA;
            /**
             * The padding highlight fill color (default: transparent).
             */
            paddingColor?: DOM.RGBA;
            /**
             * The border highlight fill color (default: transparent).
             */
            borderColor?: DOM.RGBA;
            /**
             * The margin highlight fill color (default: transparent).
             */
            marginColor?: DOM.RGBA;
            /**
             * The event target element highlight fill color (default: transparent).
             */
            eventTargetColor?: DOM.RGBA;
            /**
             * The shape outside fill color (default: transparent).
             */
            shapeColor?: DOM.RGBA;
            /**
             * The shape margin fill color (default: transparent).
             */
            shapeMarginColor?: DOM.RGBA;
            /**
             * The grid layout color (default: transparent).
             */
            cssGridColor?: DOM.RGBA;
            /**
             * The color format used to format color styles (default: hex).
             */
            colorFormat?: ColorFormat;
            /**
             * The grid layout highlight configuration (default: all transparent).
             */
            gridHighlightConfig?: GridHighlightConfig;
            /**
             * The flex container highlight configuration (default: all transparent).
             */
            flexContainerHighlightConfig?: FlexContainerHighlightConfig;
            /**
             * The flex item highlight configuration (default: all transparent).
             */
            flexItemHighlightConfig?: FlexItemHighlightConfig;
            /**
             * The contrast algorithm to use for the contrast ratio (default: aa).
             */
            contrastAlgorithm?: ContrastAlgorithm;
            /**
             * The container query container highlight configuration (default: all transparent).
             */
            containerQueryContainerHighlightConfig?: ContainerQueryContainerHighlightConfig;
        }

        export type ColorFormat = ('rgb' | 'hsl' | 'hwb' | 'hex');

        /**
         * Configurations for Persistent Grid Highlight
         */
        export interface GridNodeHighlightConfig {
            /**
             * A descriptor for the highlight appearance.
             */
            gridHighlightConfig: GridHighlightConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId: DOM.NodeId;
        }

        export interface FlexNodeHighlightConfig {
            /**
             * A descriptor for the highlight appearance of flex containers.
             */
            flexContainerHighlightConfig: FlexContainerHighlightConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId: DOM.NodeId;
        }

        export interface ScrollSnapContainerHighlightConfig {
            /**
             * The style of the snapport border (default: transparent)
             */
            snapportBorder?: LineStyle;
            /**
             * The style of the snap area border (default: transparent)
             */
            snapAreaBorder?: LineStyle;
            /**
             * The margin highlight fill color (default: transparent).
             */
            scrollMarginColor?: DOM.RGBA;
            /**
             * The padding highlight fill color (default: transparent).
             */
            scrollPaddingColor?: DOM.RGBA;
        }

        export interface ScrollSnapHighlightConfig {
            /**
             * A descriptor for the highlight appearance of scroll snap containers.
             */
            scrollSnapContainerHighlightConfig: ScrollSnapContainerHighlightConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId: DOM.NodeId;
        }

        /**
         * Configuration for dual screen hinge
         */
        export interface HingeConfig {
            /**
             * A rectangle represent hinge
             */
            rect: DOM.Rect;
            /**
             * The content box highlight fill color (default: a dark color).
             */
            contentColor?: DOM.RGBA;
            /**
             * The content box highlight outline color (default: transparent).
             */
            outlineColor?: DOM.RGBA;
        }

        /**
         * Configuration for Window Controls Overlay
         */
        export interface WindowControlsOverlayConfig {
            /**
             * Whether the title bar CSS should be shown when emulating the Window Controls Overlay.
             */
            showCSS: boolean;
            /**
             * Selected platforms to show the overlay.
             */
            selectedPlatform: string;
            /**
             * The theme color defined in app manifest.
             */
            themeColor: string;
        }

        export interface ContainerQueryHighlightConfig {
            /**
             * A descriptor for the highlight appearance of container query containers.
             */
            containerQueryContainerHighlightConfig: ContainerQueryContainerHighlightConfig;
            /**
             * Identifier of the container node to highlight.
             */
            nodeId: DOM.NodeId;
        }

        export interface ContainerQueryContainerHighlightConfig {
            /**
             * The style of the container border.
             */
            containerBorder?: LineStyle;
            /**
             * The style of the descendants' borders.
             */
            descendantBorder?: LineStyle;
        }

        export interface IsolatedElementHighlightConfig {
            /**
             * A descriptor for the highlight appearance of an element in isolation mode.
             */
            isolationModeHighlightConfig: IsolationModeHighlightConfig;
            /**
             * Identifier of the isolated element to highlight.
             */
            nodeId: DOM.NodeId;
        }

        export interface IsolationModeHighlightConfig {
            /**
             * The fill color of the resizers (default: transparent).
             */
            resizerColor?: DOM.RGBA;
            /**
             * The fill color for resizer handles (default: transparent).
             */
            resizerHandleColor?: DOM.RGBA;
            /**
             * The fill color for the mask covering non-isolated elements (default: transparent).
             */
            maskColor?: DOM.RGBA;
        }

        export type InspectMode = ('searchForNode' | 'searchForUAShadowDOM' | 'captureAreaScreenshot' | 'none');

        export interface GetHighlightObjectForTestRequest {
            /**
             * Id of the node to get highlight object for.
             */
            nodeId: DOM.NodeId;
            /**
             * Whether to include distance info.
             */
            includeDistance?: boolean;
            /**
             * Whether to include style info.
             */
            includeStyle?: boolean;
            /**
             * The color format to get config with (default: hex).
             */
            colorFormat?: ColorFormat;
            /**
             * Whether to show accessibility info (default: true).
             */
            showAccessibilityInfo?: boolean;
        }

        export interface GetHighlightObjectForTestResponse {
            /**
             * Highlight data for the node.
             */
            highlight: any;
        }

        export interface GetGridHighlightObjectsForTestRequest {
            /**
             * Ids of the node to get highlight object for.
             */
            nodeIds: DOM.NodeId[];
        }

        export interface GetGridHighlightObjectsForTestResponse {
            /**
             * Grid Highlight data for the node ids provided.
             */
            highlights: any;
        }

        export interface GetSourceOrderHighlightObjectForTestRequest {
            /**
             * Id of the node to highlight.
             */
            nodeId: DOM.NodeId;
        }

        export interface GetSourceOrderHighlightObjectForTestResponse {
            /**
             * Source order highlight data for the node id provided.
             */
            highlight: any;
        }

        export interface HighlightFrameRequest {
            /**
             * Identifier of the frame to highlight.
             */
            frameId: Page.FrameId;
            /**
             * The content box highlight fill color (default: transparent).
             */
            contentColor?: DOM.RGBA;
            /**
             * The content box highlight outline color (default: transparent).
             */
            contentOutlineColor?: DOM.RGBA;
        }

        export interface HighlightNodeRequest {
            /**
             * A descriptor for the highlight appearance.
             */
            highlightConfig: HighlightConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node to highlight.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node to be highlighted.
             */
            objectId?: Runtime.RemoteObjectId;
            /**
             * Selectors to highlight relevant nodes.
             */
            selector?: string;
        }

        export interface HighlightQuadRequest {
            /**
             * Quad to highlight
             */
            quad: DOM.Quad;
            /**
             * The highlight fill color (default: transparent).
             */
            color?: DOM.RGBA;
            /**
             * The highlight outline color (default: transparent).
             */
            outlineColor?: DOM.RGBA;
        }

        export interface HighlightRectRequest {
            /**
             * X coordinate
             */
            x: integer;
            /**
             * Y coordinate
             */
            y: integer;
            /**
             * Rectangle width
             */
            width: integer;
            /**
             * Rectangle height
             */
            height: integer;
            /**
             * The highlight fill color (default: transparent).
             */
            color?: DOM.RGBA;
            /**
             * The highlight outline color (default: transparent).
             */
            outlineColor?: DOM.RGBA;
        }

        export interface HighlightSourceOrderRequest {
            /**
             * A descriptor for the appearance of the overlay drawing.
             */
            sourceOrderConfig: SourceOrderConfig;
            /**
             * Identifier of the node to highlight.
             */
            nodeId?: DOM.NodeId;
            /**
             * Identifier of the backend node to highlight.
             */
            backendNodeId?: DOM.BackendNodeId;
            /**
             * JavaScript object id of the node to be highlighted.
             */
            objectId?: Runtime.RemoteObjectId;
        }

        export interface SetInspectModeRequest {
            /**
             * Set an inspection mode.
             */
            mode: InspectMode;
            /**
             * A descriptor for the highlight appearance of hovered-over nodes. May be omitted if `enabled
             * == false`.
             */
            highlightConfig?: HighlightConfig;
        }

        export interface SetShowAdHighlightsRequest {
            /**
             * True for showing ad highlights
             */
            show: boolean;
        }

        export interface SetPausedInDebuggerMessageRequest {
            /**
             * The message to display, also triggers resume and step over controls.
             */
            message?: string;
        }

        export interface SetShowDebugBordersRequest {
            /**
             * True for showing debug borders
             */
            show: boolean;
        }

        export interface SetShowFPSCounterRequest {
            /**
             * True for showing the FPS counter
             */
            show: boolean;
        }

        export interface SetShowGridOverlaysRequest {
            /**
             * An array of node identifiers and descriptors for the highlight appearance.
             */
            gridNodeHighlightConfigs: GridNodeHighlightConfig[];
        }

        export interface SetShowFlexOverlaysRequest {
            /**
             * An array of node identifiers and descriptors for the highlight appearance.
             */
            flexNodeHighlightConfigs: FlexNodeHighlightConfig[];
        }

        export interface SetShowScrollSnapOverlaysRequest {
            /**
             * An array of node identifiers and descriptors for the highlight appearance.
             */
            scrollSnapHighlightConfigs: ScrollSnapHighlightConfig[];
        }

        export interface SetShowContainerQueryOverlaysRequest {
            /**
             * An array of node identifiers and descriptors for the highlight appearance.
             */
            containerQueryHighlightConfigs: ContainerQueryHighlightConfig[];
        }

        export interface SetShowPaintRectsRequest {
            /**
             * True for showing paint rectangles
             */
            result: boolean;
        }

        export interface SetShowLayoutShiftRegionsRequest {
            /**
             * True for showing layout shift regions
             */
            result: boolean;
        }

        export interface SetShowScrollBottleneckRectsRequest {
            /**
             * True for showing scroll bottleneck rects
             */
            show: boolean;
        }

        export interface SetShowHitTestBordersRequest {
            /**
             * True for showing hit-test borders
             */
            show: boolean;
        }

        export interface SetShowWebVitalsRequest {
            show: boolean;
        }

        export interface SetShowViewportSizeOnResizeRequest {
            /**
             * Whether to paint size or not.
             */
            show: boolean;
        }

        export interface SetShowHingeRequest {
            /**
             * hinge data, null means hideHinge
             */
            hingeConfig?: HingeConfig;
        }

        export interface SetShowIsolatedElementsRequest {
            /**
             * An array of node identifiers and descriptors for the highlight appearance.
             */
            isolatedElementHighlightConfigs: IsolatedElementHighlightConfig[];
        }

        export interface SetShowWindowControlsOverlayRequest {
            /**
             * Window Controls Overlay data, null means hide Window Controls Overlay
             */
            windowControlsOverlayConfig?: WindowControlsOverlayConfig;
        }

        /**
         * Fired when the node should be inspected. This happens after call to `setInspectMode` or when
         * user manually inspects an element.
         */
        export interface InspectNodeRequestedEvent {
            /**
             * Id of the node to inspect.
             */
            backendNodeId: DOM.BackendNodeId;
        }

        /**
         * Fired when the node should be highlighted. This happens after call to `setInspectMode`.
         */
        export interface NodeHighlightRequestedEvent {
            nodeId: DOM.NodeId;
        }

        /**
         * Fired when user asks to capture screenshot of some area on the page.
         */
        export interface ScreenshotRequestedEvent {
            /**
             * Viewport to capture, in device independent pixels (dip).
             */
            viewport: Page.Viewport;
        }
    }

    /**
     * This domain allows interacting with the browser to control PWAs.
     * @experimental
     */
    export namespace PWA {

        /**
         * The following types are the replica of
         * https://crsrc.org/c/chrome/browser/web_applications/proto/web_app_os_integration_state.proto;drc=9910d3be894c8f142c977ba1023f30a656bc13fc;l=67
         */
        export interface FileHandlerAccept {
            /**
             * New name of the mimetype according to
             * https://www.iana.org/assignments/media-types/media-types.xhtml
             */
            mediaType: string;
            fileExtensions: string[];
        }

        export interface FileHandler {
            action: string;
            accepts: FileHandlerAccept[];
            displayName: string;
        }

        /**
         * If user prefers opening the app in browser or an app window.
         */
        export type DisplayMode = ('standalone' | 'browser');

        export interface GetOsAppStateRequest {
            /**
             * The id from the webapp's manifest file, commonly it's the url of the
             * site installing the webapp. See
             * https://web.dev/learn/pwa/web-app-manifest.
             */
            manifestId: string;
        }

        export interface GetOsAppStateResponse {
            badgeCount: integer;
            fileHandlers: FileHandler[];
        }

        export interface InstallRequest {
            manifestId: string;
            /**
             * The location of the app or bundle overriding the one derived from the
             * manifestId.
             */
            installUrlOrBundleUrl?: string;
        }

        export interface UninstallRequest {
            manifestId: string;
        }

        export interface LaunchRequest {
            manifestId: string;
            url?: string;
        }

        export interface LaunchResponse {
            /**
             * ID of the tab target created as a result.
             */
            targetId: Target.TargetID;
        }

        export interface LaunchFilesInAppRequest {
            manifestId: string;
            files: string[];
        }

        export interface LaunchFilesInAppResponse {
            /**
             * IDs of the tab targets created as the result.
             */
            targetIds: Target.TargetID[];
        }

        export interface OpenCurrentPageInAppRequest {
            manifestId: string;
        }

        export interface ChangeAppUserSettingsRequest {
            manifestId: string;
            /**
             * If user allows the links clicked on by the user in the app's scope, or
             * extended scope if the manifest has scope extensions and the flags
             * `DesktopPWAsLinkCapturingWithScopeExtensions` and
             * `WebAppEnableScopeExtensions` are enabled.
             * 
             * Note, the API does not support resetting the linkCapturing to the
             * initial value, uninstalling and installing the web app again will reset
             * it.
             * 
             * TODO(crbug.com/339453269): Setting this value on ChromeOS is not
             * supported yet.
             */
            linkCapturing?: boolean;
            displayMode?: DisplayMode;
        }
    }

    /**
     * Actions and events related to the inspected page belong to the page domain.
     */
    export namespace Page {

        /**
         * Unique frame identifier.
         */
        export type FrameId = string;

        /**
         * Indicates whether a frame has been identified as an ad.
         * @experimental
         */
        export type AdFrameType = ('none' | 'child' | 'root');

        /**
         * @experimental
         */
        export type AdFrameExplanation = ('ParentIsAd' | 'CreatedByAdScript' | 'MatchedBlockingRule');

        /**
         * Indicates whether a frame has been identified as an ad and why.
         * @experimental
         */
        export interface AdFrameStatus {
            adFrameType: AdFrameType;
            explanations?: AdFrameExplanation[];
        }

        /**
         * Identifies the script which caused a script or frame to be labelled as an
         * ad.
         * @experimental
         */
        export interface AdScriptId {
            /**
             * Script Id of the script which caused a script or frame to be labelled as
             * an ad.
             */
            scriptId: Runtime.ScriptId;
            /**
             * Id of scriptId's debugger.
             */
            debuggerId: Runtime.UniqueDebuggerId;
        }

        /**
         * Encapsulates the script ancestry and the root script filterlist rule that
         * caused the frame to be labelled as an ad. Only created when `ancestryChain`
         * is not empty.
         * @experimental
         */
        export interface AdScriptAncestry {
            /**
             * A chain of `AdScriptId`s representing the ancestry of an ad script that
             * led to the creation of a frame. The chain is ordered from the script
             * itself (lower level) up to its root ancestor that was flagged by
             * filterlist.
             */
            ancestryChain: AdScriptId[];
            /**
             * The filterlist rule that caused the root (last) script in
             * `ancestryChain` to be ad-tagged. Only populated if the rule is
             * available.
             */
            rootScriptFilterlistRule?: string;
        }

        /**
         * Indicates whether the frame is a secure context and why it is the case.
         * @experimental
         */
        export type SecureContextType = ('Secure' | 'SecureLocalhost' | 'InsecureScheme' | 'InsecureAncestor');

        /**
         * Indicates whether the frame is cross-origin isolated and why it is the case.
         * @experimental
         */
        export type CrossOriginIsolatedContextType = ('Isolated' | 'NotIsolated' | 'NotIsolatedFeatureDisabled');

        /**
         * @experimental
         */
        export type GatedAPIFeatures = ('SharedArrayBuffers' | 'SharedArrayBuffersTransferAllowed' | 'PerformanceMeasureMemory' | 'PerformanceProfile');

        /**
         * All Permissions Policy features. This enum should match the one defined
         * in services/network/public/cpp/permissions_policy/permissions_policy_features.json5.
         * @experimental
         */
        export type PermissionsPolicyFeature = ('accelerometer' | 'all-screens-capture' | 'ambient-light-sensor' | 'aria-notify' | 'attribution-reporting' | 'autoplay' | 'bluetooth' | 'browsing-topics' | 'camera' | 'captured-surface-control' | 'ch-dpr' | 'ch-device-memory' | 'ch-downlink' | 'ch-ect' | 'ch-prefers-color-scheme' | 'ch-prefers-reduced-motion' | 'ch-prefers-reduced-transparency' | 'ch-rtt' | 'ch-save-data' | 'ch-ua' | 'ch-ua-arch' | 'ch-ua-bitness' | 'ch-ua-high-entropy-values' | 'ch-ua-platform' | 'ch-ua-model' | 'ch-ua-mobile' | 'ch-ua-form-factors' | 'ch-ua-full-version' | 'ch-ua-full-version-list' | 'ch-ua-platform-version' | 'ch-ua-wow64' | 'ch-viewport-height' | 'ch-viewport-width' | 'ch-width' | 'clipboard-read' | 'clipboard-write' | 'compute-pressure' | 'controlled-frame' | 'cross-origin-isolated' | 'deferred-fetch' | 'deferred-fetch-minimal' | 'device-attributes' | 'digital-credentials-create' | 'digital-credentials-get' | 'direct-sockets' | 'direct-sockets-multicast' | 'direct-sockets-private' | 'display-capture' | 'document-domain' | 'encrypted-media' | 'execution-while-out-of-viewport' | 'execution-while-not-rendered' | 'fenced-unpartitioned-storage-read' | 'focus-without-user-activation' | 'fullscreen' | 'frobulate' | 'gamepad' | 'geolocation' | 'gyroscope' | 'hid' | 'identity-credentials-get' | 'idle-detection' | 'interest-cohort' | 'join-ad-interest-group' | 'keyboard-map' | 'language-detector' | 'language-model' | 'local-fonts' | 'local-network-access' | 'magnetometer' | 'media-playback-while-not-visible' | 'microphone' | 'midi' | 'on-device-speech-recognition' | 'otp-credentials' | 'payment' | 'picture-in-picture' | 'popins' | 'private-aggregation' | 'private-state-token-issuance' | 'private-state-token-redemption' | 'publickey-credentials-create' | 'publickey-credentials-get' | 'record-ad-auction-events' | 'rewriter' | 'run-ad-auction' | 'screen-wake-lock' | 'serial' | 'shared-autofill' | 'shared-storage' | 'shared-storage-select-url' | 'smart-card' | 'speaker-selection' | 'storage-access' | 'sub-apps' | 'summarizer' | 'sync-xhr' | 'translator' | 'unload' | 'usb' | 'usb-unrestricted' | 'vertical-scroll' | 'web-app-installation' | 'web-printing' | 'web-share' | 'window-management' | 'writer' | 'xr-spatial-tracking');

        /**
         * Reason for a permissions policy feature to be disabled.
         * @experimental
         */
        export type PermissionsPolicyBlockReason = ('Header' | 'IframeAttribute' | 'InFencedFrameTree' | 'InIsolatedApp');

        /**
         * @experimental
         */
        export interface PermissionsPolicyBlockLocator {
            frameId: FrameId;
            blockReason: PermissionsPolicyBlockReason;
        }

        /**
         * @experimental
         */
        export interface PermissionsPolicyFeatureState {
            feature: PermissionsPolicyFeature;
            allowed: boolean;
            locator?: PermissionsPolicyBlockLocator;
        }

        /**
         * Origin Trial(https://www.chromium.org/blink/origin-trials) support.
         * Status for an Origin Trial token.
         * @experimental
         */
        export type OriginTrialTokenStatus = ('Success' | 'NotSupported' | 'Insecure' | 'Expired' | 'WrongOrigin' | 'InvalidSignature' | 'Malformed' | 'WrongVersion' | 'FeatureDisabled' | 'TokenDisabled' | 'FeatureDisabledForUser' | 'UnknownTrial');

        /**
         * Status for an Origin Trial.
         * @experimental
         */
        export type OriginTrialStatus = ('Enabled' | 'ValidTokenNotProvided' | 'OSNotSupported' | 'TrialNotAllowed');

        /**
         * @experimental
         */
        export type OriginTrialUsageRestriction = ('None' | 'Subset');

        /**
         * @experimental
         */
        export interface OriginTrialToken {
            origin: string;
            matchSubDomains: boolean;
            trialName: string;
            expiryTime: Network.TimeSinceEpoch;
            isThirdParty: boolean;
            usageRestriction: OriginTrialUsageRestriction;
        }

        /**
         * @experimental
         */
        export interface OriginTrialTokenWithStatus {
            rawTokenText: string;
            /**
             * `parsedToken` is present only when the token is extractable and
             * parsable.
             */
            parsedToken?: OriginTrialToken;
            status: OriginTrialTokenStatus;
        }

        /**
         * @experimental
         */
        export interface OriginTrial {
            trialName: string;
            status: OriginTrialStatus;
            tokensWithStatus: OriginTrialTokenWithStatus[];
        }

        /**
         * Additional information about the frame document's security origin.
         * @experimental
         */
        export interface SecurityOriginDetails {
            /**
             * Indicates whether the frame document's security origin is one
             * of the local hostnames (e.g. "localhost") or IP addresses (IPv4
             * 127.0.0.0/8 or IPv6 ::1).
             */
            isLocalhost: boolean;
        }

        /**
         * Information about the Frame on the page.
         */
        export interface Frame {
            /**
             * Frame unique identifier.
             */
            id: FrameId;
            /**
             * Parent frame identifier.
             */
            parentId?: FrameId;
            /**
             * Identifier of the loader associated with this frame.
             */
            loaderId: Network.LoaderId;
            /**
             * Frame's name as specified in the tag.
             */
            name?: string;
            /**
             * Frame document's URL without fragment.
             */
            url: string;
            /**
             * Frame document's URL fragment including the '#'.
             * @experimental
             */
            urlFragment?: string;
            /**
             * Frame document's registered domain, taking the public suffixes list into account.
             * Extracted from the Frame's url.
             * Example URLs: http://www.google.com/file.html -> "google.com"
             *               http://a.b.co.uk/file.html      -> "b.co.uk"
             * @experimental
             */
            domainAndRegistry: string;
            /**
             * Frame document's security origin.
             */
            securityOrigin: string;
            /**
             * Additional details about the frame document's security origin.
             * @experimental
             */
            securityOriginDetails?: SecurityOriginDetails;
            /**
             * Frame document's mimeType as determined by the browser.
             */
            mimeType: string;
            /**
             * If the frame failed to load, this contains the URL that could not be loaded. Note that unlike url above, this URL may contain a fragment.
             * @experimental
             */
            unreachableUrl?: string;
            /**
             * Indicates whether this frame was tagged as an ad and why.
             * @experimental
             */
            adFrameStatus?: AdFrameStatus;
            /**
             * Indicates whether the main document is a secure context and explains why that is the case.
             * @experimental
             */
            secureContextType: SecureContextType;
            /**
             * Indicates whether this is a cross origin isolated context.
             * @experimental
             */
            crossOriginIsolatedContextType: CrossOriginIsolatedContextType;
            /**
             * Indicated which gated APIs / features are available.
             * @experimental
             */
            gatedAPIFeatures: GatedAPIFeatures[];
        }

        /**
         * Information about the Resource on the page.
         * @experimental
         */
        export interface FrameResource {
            /**
             * Resource URL.
             */
            url: string;
            /**
             * Type of this resource.
             */
            type: Network.ResourceType;
            /**
             * Resource mimeType as determined by the browser.
             */
            mimeType: string;
            /**
             * last-modified timestamp as reported by server.
             */
            lastModified?: Network.TimeSinceEpoch;
            /**
             * Resource content size.
             */
            contentSize?: number;
            /**
             * True if the resource failed to load.
             */
            failed?: boolean;
            /**
             * True if the resource was canceled during loading.
             */
            canceled?: boolean;
        }

        /**
         * Information about the Frame hierarchy along with their cached resources.
         * @experimental
         */
        export interface FrameResourceTree {
            /**
             * Frame information for this tree item.
             */
            frame: Frame;
            /**
             * Child frames.
             */
            childFrames?: FrameResourceTree[];
            /**
             * Information about frame resources.
             */
            resources: FrameResource[];
        }

        /**
         * Information about the Frame hierarchy.
         */
        export interface FrameTree {
            /**
             * Frame information for this tree item.
             */
            frame: Frame;
            /**
             * Child frames.
             */
            childFrames?: FrameTree[];
        }

        /**
         * Unique script identifier.
         */
        export type ScriptIdentifier = string;

        /**
         * Transition type.
         */
        export type TransitionType = ('link' | 'typed' | 'address_bar' | 'auto_bookmark' | 'auto_subframe' | 'manual_subframe' | 'generated' | 'auto_toplevel' | 'form_submit' | 'reload' | 'keyword' | 'keyword_generated' | 'other');

        /**
         * Navigation history entry.
         */
        export interface NavigationEntry {
            /**
             * Unique id of the navigation history entry.
             */
            id: integer;
            /**
             * URL of the navigation history entry.
             */
            url: string;
            /**
             * URL that the user typed in the url bar.
             */
            userTypedURL: string;
            /**
             * Title of the navigation history entry.
             */
            title: string;
            /**
             * Transition type.
             */
            transitionType: TransitionType;
        }

        /**
         * Screencast frame metadata.
         * @experimental
         */
        export interface ScreencastFrameMetadata {
            /**
             * Top offset in DIP.
             */
            offsetTop: number;
            /**
             * Page scale factor.
             */
            pageScaleFactor: number;
            /**
             * Device screen width in DIP.
             */
            deviceWidth: number;
            /**
             * Device screen height in DIP.
             */
            deviceHeight: number;
            /**
             * Position of horizontal scroll in CSS pixels.
             */
            scrollOffsetX: number;
            /**
             * Position of vertical scroll in CSS pixels.
             */
            scrollOffsetY: number;
            /**
             * Frame swap timestamp.
             */
            timestamp?: Network.TimeSinceEpoch;
        }

        /**
         * Javascript dialog type.
         */
        export type DialogType = ('alert' | 'confirm' | 'prompt' | 'beforeunload');

        /**
         * Error while paring app manifest.
         */
        export interface AppManifestError {
            /**
             * Error message.
             */
            message: string;
            /**
             * If critical, this is a non-recoverable parse error.
             */
            critical: integer;
            /**
             * Error line.
             */
            line: integer;
            /**
             * Error column.
             */
            column: integer;
        }

        /**
         * Parsed app manifest properties.
         * @experimental
         */
        export interface AppManifestParsedProperties {
            /**
             * Computed scope value
             */
            scope: string;
        }

        /**
         * Layout viewport position and dimensions.
         */
        export interface LayoutViewport {
            /**
             * Horizontal offset relative to the document (CSS pixels).
             */
            pageX: integer;
            /**
             * Vertical offset relative to the document (CSS pixels).
             */
            pageY: integer;
            /**
             * Width (CSS pixels), excludes scrollbar if present.
             */
            clientWidth: integer;
            /**
             * Height (CSS pixels), excludes scrollbar if present.
             */
            clientHeight: integer;
        }

        /**
         * Visual viewport position, dimensions, and scale.
         */
        export interface VisualViewport {
            /**
             * Horizontal offset relative to the layout viewport (CSS pixels).
             */
            offsetX: number;
            /**
             * Vertical offset relative to the layout viewport (CSS pixels).
             */
            offsetY: number;
            /**
             * Horizontal offset relative to the document (CSS pixels).
             */
            pageX: number;
            /**
             * Vertical offset relative to the document (CSS pixels).
             */
            pageY: number;
            /**
             * Width (CSS pixels), excludes scrollbar if present.
             */
            clientWidth: number;
            /**
             * Height (CSS pixels), excludes scrollbar if present.
             */
            clientHeight: number;
            /**
             * Scale relative to the ideal viewport (size at width=device-width).
             */
            scale: number;
            /**
             * Page zoom factor (CSS to device independent pixels ratio).
             */
            zoom?: number;
        }

        /**
         * Viewport for capturing screenshot.
         */
        export interface Viewport {
            /**
             * X offset in device independent pixels (dip).
             */
            x: number;
            /**
             * Y offset in device independent pixels (dip).
             */
            y: number;
            /**
             * Rectangle width in device independent pixels (dip).
             */
            width: number;
            /**
             * Rectangle height in device independent pixels (dip).
             */
            height: number;
            /**
             * Page scale factor.
             */
            scale: number;
        }

        /**
         * Generic font families collection.
         * @experimental
         */
        export interface FontFamilies {
            /**
             * The standard font-family.
             */
            standard?: string;
            /**
             * The fixed font-family.
             */
            fixed?: string;
            /**
             * The serif font-family.
             */
            serif?: string;
            /**
             * The sansSerif font-family.
             */
            sansSerif?: string;
            /**
             * The cursive font-family.
             */
            cursive?: string;
            /**
             * The fantasy font-family.
             */
            fantasy?: string;
            /**
             * The math font-family.
             */
            math?: string;
        }

        /**
         * Font families collection for a script.
         * @experimental
         */
        export interface ScriptFontFamilies {
            /**
             * Name of the script which these font families are defined for.
             */
            script: string;
            /**
             * Generic font families collection for the script.
             */
            fontFamilies: FontFamilies;
        }

        /**
         * Default font sizes.
         * @experimental
         */
        export interface FontSizes {
            /**
             * Default standard font size.
             */
            standard?: integer;
            /**
             * Default fixed font size.
             */
            fixed?: integer;
        }

        /**
         * @experimental
         */
        export type ClientNavigationReason = ('anchorClick' | 'formSubmissionGet' | 'formSubmissionPost' | 'httpHeaderRefresh' | 'initialFrameNavigation' | 'metaTagRefresh' | 'other' | 'pageBlockInterstitial' | 'reload' | 'scriptInitiated');

        /**
         * @experimental
         */
        export type ClientNavigationDisposition = ('currentTab' | 'newTab' | 'newWindow' | 'download');

        /**
         * @experimental
         */
        export interface InstallabilityErrorArgument {
            /**
             * Argument name (e.g. name:'minimum-icon-size-in-pixels').
             */
            name: string;
            /**
             * Argument value (e.g. value:'64').
             */
            value: string;
        }

        /**
         * The installability error
         * @experimental
         */
        export interface InstallabilityError {
            /**
             * The error id (e.g. 'manifest-missing-suitable-icon').
             */
            errorId: string;
            /**
             * The list of error arguments (e.g. {name:'minimum-icon-size-in-pixels', value:'64'}).
             */
            errorArguments: InstallabilityErrorArgument[];
        }

        /**
         * The referring-policy used for the navigation.
         * @experimental
         */
        export type ReferrerPolicy = ('noReferrer' | 'noReferrerWhenDowngrade' | 'origin' | 'originWhenCrossOrigin' | 'sameOrigin' | 'strictOrigin' | 'strictOriginWhenCrossOrigin' | 'unsafeUrl');

        /**
         * Per-script compilation cache parameters for `Page.produceCompilationCache`
         * @experimental
         */
        export interface CompilationCacheParams {
            /**
             * The URL of the script to produce a compilation cache entry for.
             */
            url: string;
            /**
             * A hint to the backend whether eager compilation is recommended.
             * (the actual compilation mode used is upon backend discretion).
             */
            eager?: boolean;
        }

        /**
         * @experimental
         */
        export interface FileFilter {
            name?: string;
            accepts?: string[];
        }

        /**
         * @experimental
         */
        export interface FileHandler {
            action: string;
            name: string;
            icons?: ImageResource[];
            /**
             * Mimic a map, name is the key, accepts is the value.
             */
            accepts?: FileFilter[];
            /**
             * Won't repeat the enums, using string for easy comparison. Same as the
             * other enums below.
             */
            launchType: string;
        }

        /**
         * The image definition used in both icon and screenshot.
         * @experimental
         */
        export interface ImageResource {
            /**
             * The src field in the definition, but changing to url in favor of
             * consistency.
             */
            url: string;
            sizes?: string;
            type?: string;
        }

        /**
         * @experimental
         */
        export interface LaunchHandler {
            clientMode: string;
        }

        /**
         * @experimental
         */
        export interface ProtocolHandler {
            protocol: string;
            url: string;
        }

        /**
         * @experimental
         */
        export interface RelatedApplication {
            id?: string;
            url: string;
        }

        /**
         * @experimental
         */
        export interface ScopeExtension {
            /**
             * Instead of using tuple, this field always returns the serialized string
             * for easy understanding and comparison.
             */
            origin: string;
            hasOriginWildcard: boolean;
        }

        /**
         * @experimental
         */
        export interface Screenshot {
            image: ImageResource;
            formFactor: string;
            label?: string;
        }

        /**
         * @experimental
         */
        export interface ShareTarget {
            action: string;
            method: string;
            enctype: string;
            /**
             * Embed the ShareTargetParams
             */
            title?: string;
            text?: string;
            url?: string;
            files?: FileFilter[];
        }

        /**
         * @experimental
         */
        export interface Shortcut {
            name: string;
            url: string;
        }

        /**
         * @experimental
         */
        export interface WebAppManifest {
            backgroundColor?: string;
            /**
             * The extra description provided by the manifest.
             */
            description?: string;
            dir?: string;
            display?: string;
            /**
             * The overrided display mode controlled by the user.
             */
            displayOverrides?: string[];
            /**
             * The handlers to open files.
             */
            fileHandlers?: FileHandler[];
            icons?: ImageResource[];
            id?: string;
            lang?: string;
            /**
             * TODO(crbug.com/1231886): This field is non-standard and part of a Chrome
             * experiment. See:
             * https://github.com/WICG/web-app-launch/blob/main/launch_handler.md
             */
            launchHandler?: LaunchHandler;
            name?: string;
            orientation?: string;
            preferRelatedApplications?: boolean;
            /**
             * The handlers to open protocols.
             */
            protocolHandlers?: ProtocolHandler[];
            relatedApplications?: RelatedApplication[];
            scope?: string;
            /**
             * Non-standard, see
             * https://github.com/WICG/manifest-incubations/blob/gh-pages/scope_extensions-explainer.md
             */
            scopeExtensions?: ScopeExtension[];
            /**
             * The screenshots used by chromium.
             */
            screenshots?: Screenshot[];
            shareTarget?: ShareTarget;
            shortName?: string;
            shortcuts?: Shortcut[];
            startUrl?: string;
            themeColor?: string;
        }

        /**
         * The type of a frameNavigated event.
         * @experimental
         */
        export type NavigationType = ('Navigation' | 'BackForwardCacheRestore');

        /**
         * List of not restored reasons for back-forward cache.
         * @experimental
         */
        export type BackForwardCacheNotRestoredReason = ('NotPrimaryMainFrame' | 'BackForwardCacheDisabled' | 'RelatedActiveContentsExist' | 'HTTPStatusNotOK' | 'SchemeNotHTTPOrHTTPS' | 'Loading' | 'WasGrantedMediaAccess' | 'DisableForRenderFrameHostCalled' | 'DomainNotAllowed' | 'HTTPMethodNotGET' | 'SubframeIsNavigating' | 'Timeout' | 'CacheLimit' | 'JavaScriptExecution' | 'RendererProcessKilled' | 'RendererProcessCrashed' | 'SchedulerTrackedFeatureUsed' | 'ConflictingBrowsingInstance' | 'CacheFlushed' | 'ServiceWorkerVersionActivation' | 'SessionRestored' | 'ServiceWorkerPostMessage' | 'EnteredBackForwardCacheBeforeServiceWorkerHostAdded' | 'RenderFrameHostReused_SameSite' | 'RenderFrameHostReused_CrossSite' | 'ServiceWorkerClaim' | 'IgnoreEventAndEvict' | 'HaveInnerContents' | 'TimeoutPuttingInCache' | 'BackForwardCacheDisabledByLowMemory' | 'BackForwardCacheDisabledByCommandLine' | 'NetworkRequestDatapipeDrainedAsBytesConsumer' | 'NetworkRequestRedirected' | 'NetworkRequestTimeout' | 'NetworkExceedsBufferLimit' | 'NavigationCancelledWhileRestoring' | 'NotMostRecentNavigationEntry' | 'BackForwardCacheDisabledForPrerender' | 'UserAgentOverrideDiffers' | 'ForegroundCacheLimit' | 'BrowsingInstanceNotSwapped' | 'BackForwardCacheDisabledForDelegate' | 'UnloadHandlerExistsInMainFrame' | 'UnloadHandlerExistsInSubFrame' | 'ServiceWorkerUnregistration' | 'CacheControlNoStore' | 'CacheControlNoStoreCookieModified' | 'CacheControlNoStoreHTTPOnlyCookieModified' | 'NoResponseHead' | 'Unknown' | 'ActivationNavigationsDisallowedForBug1234857' | 'ErrorDocument' | 'FencedFramesEmbedder' | 'CookieDisabled' | 'HTTPAuthRequired' | 'CookieFlushed' | 'BroadcastChannelOnMessage' | 'WebViewSettingsChanged' | 'WebViewJavaScriptObjectChanged' | 'WebViewMessageListenerInjected' | 'WebViewSafeBrowsingAllowlistChanged' | 'WebViewDocumentStartJavascriptChanged' | 'WebSocket' | 'WebTransport' | 'WebRTC' | 'MainResourceHasCacheControlNoStore' | 'MainResourceHasCacheControlNoCache' | 'SubresourceHasCacheControlNoStore' | 'SubresourceHasCacheControlNoCache' | 'ContainsPlugins' | 'DocumentLoaded' | 'OutstandingNetworkRequestOthers' | 'RequestedMIDIPermission' | 'RequestedAudioCapturePermission' | 'RequestedVideoCapturePermission' | 'RequestedBackForwardCacheBlockedSensors' | 'RequestedBackgroundWorkPermission' | 'BroadcastChannel' | 'WebXR' | 'SharedWorker' | 'SharedWorkerMessage' | 'SharedWorkerWithNoActiveClient' | 'WebLocks' | 'WebHID' | 'WebBluetooth' | 'WebShare' | 'RequestedStorageAccessGrant' | 'WebNfc' | 'OutstandingNetworkRequestFetch' | 'OutstandingNetworkRequestXHR' | 'AppBanner' | 'Printing' | 'WebDatabase' | 'PictureInPicture' | 'SpeechRecognizer' | 'IdleManager' | 'PaymentManager' | 'SpeechSynthesis' | 'KeyboardLock' | 'WebOTPService' | 'OutstandingNetworkRequestDirectSocket' | 'InjectedJavascript' | 'InjectedStyleSheet' | 'KeepaliveRequest' | 'IndexedDBEvent' | 'Dummy' | 'JsNetworkRequestReceivedCacheControlNoStoreResource' | 'WebRTCUsedWithCCNS' | 'WebTransportUsedWithCCNS' | 'WebSocketUsedWithCCNS' | 'SmartCard' | 'LiveMediaStreamTrack' | 'UnloadHandler' | 'ParserAborted' | 'ContentSecurityHandler' | 'ContentWebAuthenticationAPI' | 'ContentFileChooser' | 'ContentSerial' | 'ContentFileSystemAccess' | 'ContentMediaDevicesDispatcherHost' | 'ContentWebBluetooth' | 'ContentWebUSB' | 'ContentMediaSessionService' | 'ContentScreenReader' | 'ContentDiscarded' | 'EmbedderPopupBlockerTabHelper' | 'EmbedderSafeBrowsingTriggeredPopupBlocker' | 'EmbedderSafeBrowsingThreatDetails' | 'EmbedderAppBannerManager' | 'EmbedderDomDistillerViewerSource' | 'EmbedderDomDistillerSelfDeletingRequestDelegate' | 'EmbedderOomInterventionTabHelper' | 'EmbedderOfflinePage' | 'EmbedderChromePasswordManagerClientBindCredentialManager' | 'EmbedderPermissionRequestManager' | 'EmbedderModalDialog' | 'EmbedderExtensions' | 'EmbedderExtensionMessaging' | 'EmbedderExtensionMessagingForOpenPort' | 'EmbedderExtensionSentMessageToCachedFrame' | 'RequestedByWebViewClient' | 'PostMessageByWebViewClient' | 'CacheControlNoStoreDeviceBoundSessionTerminated' | 'CacheLimitPrunedOnModerateMemoryPressure' | 'CacheLimitPrunedOnCriticalMemoryPressure');

        /**
         * Types of not restored reasons for back-forward cache.
         * @experimental
         */
        export type BackForwardCacheNotRestoredReasonType = ('SupportPending' | 'PageSupportNeeded' | 'Circumstantial');

        /**
         * @experimental
         */
        export interface BackForwardCacheBlockingDetails {
            /**
             * Url of the file where blockage happened. Optional because of tests.
             */
            url?: string;
            /**
             * Function name where blockage happened. Optional because of anonymous functions and tests.
             */
            function?: string;
            /**
             * Line number in the script (0-based).
             */
            lineNumber: integer;
            /**
             * Column number in the script (0-based).
             */
            columnNumber: integer;
        }

        /**
         * @experimental
         */
        export interface BackForwardCacheNotRestoredExplanation {
            /**
             * Type of the reason
             */
            type: BackForwardCacheNotRestoredReasonType;
            /**
             * Not restored reason
             */
            reason: BackForwardCacheNotRestoredReason;
            /**
             * Context associated with the reason. The meaning of this context is
             * dependent on the reason:
             * - EmbedderExtensionSentMessageToCachedFrame: the extension ID.
             */
            context?: string;
            details?: BackForwardCacheBlockingDetails[];
        }

        /**
         * @experimental
         */
        export interface BackForwardCacheNotRestoredExplanationTree {
            /**
             * URL of each frame
             */
            url: string;
            /**
             * Not restored reasons of each frame
             */
            explanations: BackForwardCacheNotRestoredExplanation[];
            /**
             * Array of children frame
             */
            children: BackForwardCacheNotRestoredExplanationTree[];
        }

        export interface AddScriptToEvaluateOnLoadRequest {
            scriptSource: string;
        }

        export interface AddScriptToEvaluateOnLoadResponse {
            /**
             * Identifier of the added script.
             */
            identifier: ScriptIdentifier;
        }

        export interface AddScriptToEvaluateOnNewDocumentRequest {
            source: string;
            /**
             * If specified, creates an isolated world with the given name and evaluates given script in it.
             * This world name will be used as the ExecutionContextDescription::name when the corresponding
             * event is emitted.
             * @experimental
             */
            worldName?: string;
            /**
             * Specifies whether command line API should be available to the script, defaults
             * to false.
             * @experimental
             */
            includeCommandLineAPI?: boolean;
            /**
             * If true, runs the script immediately on existing execution contexts or worlds.
             * Default: false.
             * @experimental
             */
            runImmediately?: boolean;
        }

        export interface AddScriptToEvaluateOnNewDocumentResponse {
            /**
             * Identifier of the added script.
             */
            identifier: ScriptIdentifier;
        }

        export const enum CaptureScreenshotRequestFormat {
            Jpeg = 'jpeg',
            Png = 'png',
            Webp = 'webp',
        }

        export interface CaptureScreenshotRequest {
            /**
             * Image compression format (defaults to png).
             */
            format?: ('jpeg' | 'png' | 'webp');
            /**
             * Compression quality from range [0..100] (jpeg only).
             */
            quality?: integer;
            /**
             * Capture the screenshot of a given region only.
             */
            clip?: Viewport;
            /**
             * Capture the screenshot from the surface, rather than the view. Defaults to true.
             * @experimental
             */
            fromSurface?: boolean;
            /**
             * Capture the screenshot beyond the viewport. Defaults to false.
             * @experimental
             */
            captureBeyondViewport?: boolean;
            /**
             * Optimize image encoding for speed, not for resulting size (defaults to false)
             * @experimental
             */
            optimizeForSpeed?: boolean;
        }

        export interface CaptureScreenshotResponse {
            /**
             * Base64-encoded image data. (Encoded as a base64 string when passed over JSON)
             */
            data: string;
        }

        export const enum CaptureSnapshotRequestFormat {
            MHTML = 'mhtml',
        }

        export interface CaptureSnapshotRequest {
            /**
             * Format (defaults to mhtml).
             */
            format?: ('mhtml');
        }

        export interface CaptureSnapshotResponse {
            /**
             * Serialized page data.
             */
            data: string;
        }

        export interface CreateIsolatedWorldRequest {
            /**
             * Id of the frame in which the isolated world should be created.
             */
            frameId: FrameId;
            /**
             * An optional name which is reported in the Execution Context.
             */
            worldName?: string;
            /**
             * Whether or not universal access should be granted to the isolated world. This is a powerful
             * option, use with caution.
             */
            grantUniveralAccess?: boolean;
        }

        export interface CreateIsolatedWorldResponse {
            /**
             * Execution context of the isolated world.
             */
            executionContextId: Runtime.ExecutionContextId;
        }

        export interface DeleteCookieRequest {
            /**
             * Name of the cookie to remove.
             */
            cookieName: string;
            /**
             * URL to match cooke domain and path.
             */
            url: string;
        }

        export interface EnableRequest {
            /**
             * If true, the `Page.fileChooserOpened` event will be emitted regardless of the state set by
             * `Page.setInterceptFileChooserDialog` command (default: false).
             * @experimental
             */
            enableFileChooserOpenedEvent?: boolean;
        }

        export interface GetAppManifestRequest {
            manifestId?: string;
        }

        export interface GetAppManifestResponse {
            /**
             * Manifest location.
             */
            url: string;
            errors: AppManifestError[];
            /**
             * Manifest content.
             */
            data?: string;
            /**
             * Parsed manifest properties. Deprecated, use manifest instead.
             * @deprecated
             * @experimental
             */
            parsed?: AppManifestParsedProperties;
            /**
             * @experimental
             */
            manifest: WebAppManifest;
        }

        export interface GetInstallabilityErrorsResponse {
            installabilityErrors: InstallabilityError[];
        }

        export interface GetManifestIconsResponse {
            primaryIcon?: string;
        }

        export interface GetAppIdResponse {
            /**
             * App id, either from manifest's id attribute or computed from start_url
             */
            appId?: string;
            /**
             * Recommendation for manifest's id attribute to match current id computed from start_url
             */
            recommendedId?: string;
        }

        export interface GetAdScriptAncestryRequest {
            frameId: FrameId;
        }

        export interface GetAdScriptAncestryResponse {
            /**
             * The ancestry chain of ad script identifiers leading to this frame's
             * creation, along with the root script's filterlist rule. The ancestry
             * chain is ordered from the most immediate script (in the frame creation
             * stack) to more distant ancestors (that created the immediately preceding
             * script). Only sent if frame is labelled as an ad and ids are available.
             */
            adScriptAncestry?: AdScriptAncestry;
        }

        export interface GetFrameTreeResponse {
            /**
             * Present frame tree structure.
             */
            frameTree: FrameTree;
        }

        export interface GetLayoutMetricsResponse {
            /**
             * Deprecated metrics relating to the layout viewport. Is in device pixels. Use `cssLayoutViewport` instead.
             * @deprecated
             */
            layoutViewport: LayoutViewport;
            /**
             * Deprecated metrics relating to the visual viewport. Is in device pixels. Use `cssVisualViewport` instead.
             * @deprecated
             */
            visualViewport: VisualViewport;
            /**
             * Deprecated size of scrollable area. Is in DP. Use `cssContentSize` instead.
             * @deprecated
             */
            contentSize: DOM.Rect;
            /**
             * Metrics relating to the layout viewport in CSS pixels.
             */
            cssLayoutViewport: LayoutViewport;
            /**
             * Metrics relating to the visual viewport in CSS pixels.
             */
            cssVisualViewport: VisualViewport;
            /**
             * Size of scrollable area in CSS pixels.
             */
            cssContentSize: DOM.Rect;
        }

        export interface GetNavigationHistoryResponse {
            /**
             * Index of the current navigation history entry.
             */
            currentIndex: integer;
            /**
             * Array of navigation history entries.
             */
            entries: NavigationEntry[];
        }

        export interface GetResourceContentRequest {
            /**
             * Frame id to get resource for.
             */
            frameId: FrameId;
            /**
             * URL of the resource to get content for.
             */
            url: string;
        }

        export interface GetResourceContentResponse {
            /**
             * Resource content.
             */
            content: string;
            /**
             * True, if content was served as base64.
             */
            base64Encoded: boolean;
        }

        export interface GetResourceTreeResponse {
            /**
             * Present frame / resource tree structure.
             */
            frameTree: FrameResourceTree;
        }

        export interface HandleJavaScriptDialogRequest {
            /**
             * Whether to accept or dismiss the dialog.
             */
            accept: boolean;
            /**
             * The text to enter into the dialog prompt before accepting. Used only if this is a prompt
             * dialog.
             */
            promptText?: string;
        }

        export interface NavigateRequest {
            /**
             * URL to navigate the page to.
             */
            url: string;
            /**
             * Referrer URL.
             */
            referrer?: string;
            /**
             * Intended transition type.
             */
            transitionType?: TransitionType;
            /**
             * Frame id to navigate, if not specified navigates the top frame.
             */
            frameId?: FrameId;
            /**
             * Referrer-policy used for the navigation.
             * @experimental
             */
            referrerPolicy?: ReferrerPolicy;
        }

        export interface NavigateResponse {
            /**
             * Frame id that has navigated (or failed to navigate)
             */
            frameId: FrameId;
            /**
             * Loader identifier. This is omitted in case of same-document navigation,
             * as the previously committed loaderId would not change.
             */
            loaderId?: Network.LoaderId;
            /**
             * User friendly error message, present if and only if navigation has failed.
             */
            errorText?: string;
            /**
             * Whether the navigation resulted in a download.
             * @experimental
             */
            isDownload?: boolean;
        }

        export interface NavigateToHistoryEntryRequest {
            /**
             * Unique id of the entry to navigate to.
             */
            entryId: integer;
        }

        export const enum PrintToPDFRequestTransferMode {
            ReturnAsBase64 = 'ReturnAsBase64',
            ReturnAsStream = 'ReturnAsStream',
        }

        export interface PrintToPDFRequest {
            /**
             * Paper orientation. Defaults to false.
             */
            landscape?: boolean;
            /**
             * Display header and footer. Defaults to false.
             */
            displayHeaderFooter?: boolean;
            /**
             * Print background graphics. Defaults to false.
             */
            printBackground?: boolean;
            /**
             * Scale of the webpage rendering. Defaults to 1.
             */
            scale?: number;
            /**
             * Paper width in inches. Defaults to 8.5 inches.
             */
            paperWidth?: number;
            /**
             * Paper height in inches. Defaults to 11 inches.
             */
            paperHeight?: number;
            /**
             * Top margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginTop?: number;
            /**
             * Bottom margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginBottom?: number;
            /**
             * Left margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginLeft?: number;
            /**
             * Right margin in inches. Defaults to 1cm (~0.4 inches).
             */
            marginRight?: number;
            /**
             * Paper ranges to print, one based, e.g., '1-5, 8, 11-13'. Pages are
             * printed in the document order, not in the order specified, and no
             * more than once.
             * Defaults to empty string, which implies the entire document is printed.
             * The page numbers are quietly capped to actual page count of the
             * document, and ranges beyond the end of the document are ignored.
             * If this results in no pages to print, an error is reported.
             * It is an error to specify a range with start greater than end.
             */
            pageRanges?: string;
            /**
             * HTML template for the print header. Should be valid HTML markup with following
             * classes used to inject printing values into them:
             * - `date`: formatted print date
             * - `title`: document title
             * - `url`: document location
             * - `pageNumber`: current page number
             * - `totalPages`: total pages in the document
             * 
             * For example, `<span class=title></span>` would generate span containing the title.
             */
            headerTemplate?: string;
            /**
             * HTML template for the print footer. Should use the same format as the `headerTemplate`.
             */
            footerTemplate?: string;
            /**
             * Whether or not to prefer page size as defined by css. Defaults to false,
             * in which case the content will be scaled to fit the paper size.
             */
            preferCSSPageSize?: boolean;
            /**
             * return as stream
             * @experimental
             */
            transferMode?: ('ReturnAsBase64' | 'ReturnAsStream');
            /**
             * Whether or not to generate tagged (accessible) PDF. Defaults to embedder choice.
             * @experimental
             */
            generateTaggedPDF?: boolean;
            /**
             * Whether or not to embed the document outline into the PDF.
             * @experimental
             */
            generateDocumentOutline?: boolean;
        }

        export interface PrintToPDFResponse {
            /**
             * Base64-encoded pdf data. Empty if |returnAsStream| is specified. (Encoded as a base64 string when passed over JSON)
             */
            data: string;
            /**
             * A handle of the stream that holds resulting PDF data.
             * @experimental
             */
            stream?: IO.StreamHandle;
        }

        export interface ReloadRequest {
            /**
             * If true, browser cache is ignored (as if the user pressed Shift+refresh).
             */
            ignoreCache?: boolean;
            /**
             * If set, the script will be injected into all frames of the inspected page after reload.
             * Argument will be ignored if reloading dataURL origin.
             */
            scriptToEvaluateOnLoad?: string;
            /**
             * If set, an error will be thrown if the target page's main frame's
             * loader id does not match the provided id. This prevents accidentally
             * reloading an unintended target in case there's a racing navigation.
             * @experimental
             */
            loaderId?: Network.LoaderId;
        }

        export interface RemoveScriptToEvaluateOnLoadRequest {
            identifier: ScriptIdentifier;
        }

        export interface RemoveScriptToEvaluateOnNewDocumentRequest {
            identifier: ScriptIdentifier;
        }

        export interface ScreencastFrameAckRequest {
            /**
             * Frame number.
             */
            sessionId: integer;
        }

        export interface SearchInResourceRequest {
            /**
             * Frame id for resource to search in.
             */
            frameId: FrameId;
            /**
             * URL of the resource to search in.
             */
            url: string;
            /**
             * String to search for.
             */
            query: string;
            /**
             * If true, search is case sensitive.
             */
            caseSensitive?: boolean;
            /**
             * If true, treats string parameter as regex.
             */
            isRegex?: boolean;
        }

        export interface SearchInResourceResponse {
            /**
             * List of search matches.
             */
            result: Debugger.SearchMatch[];
        }

        export interface SetAdBlockingEnabledRequest {
            /**
             * Whether to block ads.
             */
            enabled: boolean;
        }

        export interface SetBypassCSPRequest {
            /**
             * Whether to bypass page CSP.
             */
            enabled: boolean;
        }

        export interface GetPermissionsPolicyStateRequest {
            frameId: FrameId;
        }

        export interface GetPermissionsPolicyStateResponse {
            states: PermissionsPolicyFeatureState[];
        }

        export interface GetOriginTrialsRequest {
            frameId: FrameId;
        }

        export interface GetOriginTrialsResponse {
            originTrials: OriginTrial[];
        }

        export interface SetDeviceMetricsOverrideRequest {
            /**
             * Overriding width value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            width: integer;
            /**
             * Overriding height value in pixels (minimum 0, maximum 10000000). 0 disables the override.
             */
            height: integer;
            /**
             * Overriding device scale factor value. 0 disables the override.
             */
            deviceScaleFactor: number;
            /**
             * Whether to emulate mobile device. This includes viewport meta tag, overlay scrollbars, text
             * autosizing and more.
             */
            mobile: boolean;
            /**
             * Scale to apply to resulting view image.
             */
            scale?: number;
            /**
             * Overriding screen width value in pixels (minimum 0, maximum 10000000).
             */
            screenWidth?: integer;
            /**
             * Overriding screen height value in pixels (minimum 0, maximum 10000000).
             */
            screenHeight?: integer;
            /**
             * Overriding view X position on screen in pixels (minimum 0, maximum 10000000).
             */
            positionX?: integer;
            /**
             * Overriding view Y position on screen in pixels (minimum 0, maximum 10000000).
             */
            positionY?: integer;
            /**
             * Do not set visible view size, rely upon explicit setVisibleSize call.
             */
            dontSetVisibleSize?: boolean;
            /**
             * Screen orientation override.
             */
            screenOrientation?: Emulation.ScreenOrientation;
            /**
             * The viewport dimensions and scale. If not set, the override is cleared.
             */
            viewport?: Viewport;
        }

        export interface SetDeviceOrientationOverrideRequest {
            /**
             * Mock alpha
             */
            alpha: number;
            /**
             * Mock beta
             */
            beta: number;
            /**
             * Mock gamma
             */
            gamma: number;
        }

        export interface SetFontFamiliesRequest {
            /**
             * Specifies font families to set. If a font family is not specified, it won't be changed.
             */
            fontFamilies: FontFamilies;
            /**
             * Specifies font families to set for individual scripts.
             */
            forScripts?: ScriptFontFamilies[];
        }

        export interface SetFontSizesRequest {
            /**
             * Specifies font sizes to set. If a font size is not specified, it won't be changed.
             */
            fontSizes: FontSizes;
        }

        export interface SetDocumentContentRequest {
            /**
             * Frame id to set HTML for.
             */
            frameId: FrameId;
            /**
             * HTML content to set.
             */
            html: string;
        }

        export const enum SetDownloadBehaviorRequestBehavior {
            Deny = 'deny',
            Allow = 'allow',
            Default = 'default',
        }

        export interface SetDownloadBehaviorRequest {
            /**
             * Whether to allow all or deny all download requests, or use default Chrome behavior if
             * available (otherwise deny).
             */
            behavior: ('deny' | 'allow' | 'default');
            /**
             * The default path to save downloaded files to. This is required if behavior is set to 'allow'
             */
            downloadPath?: string;
        }

        export interface SetGeolocationOverrideRequest {
            /**
             * Mock latitude
             */
            latitude?: number;
            /**
             * Mock longitude
             */
            longitude?: number;
            /**
             * Mock accuracy
             */
            accuracy?: number;
        }

        export interface SetLifecycleEventsEnabledRequest {
            /**
             * If true, starts emitting lifecycle events.
             */
            enabled: boolean;
        }

        export const enum SetTouchEmulationEnabledRequestConfiguration {
            Mobile = 'mobile',
            Desktop = 'desktop',
        }

        export interface SetTouchEmulationEnabledRequest {
            /**
             * Whether the touch event emulation should be enabled.
             */
            enabled: boolean;
            /**
             * Touch/gesture events configuration. Default: current platform.
             */
            configuration?: ('mobile' | 'desktop');
        }

        export const enum StartScreencastRequestFormat {
            Jpeg = 'jpeg',
            Png = 'png',
        }

        export interface StartScreencastRequest {
            /**
             * Image compression format.
             */
            format?: ('jpeg' | 'png');
            /**
             * Compression quality from range [0..100].
             */
            quality?: integer;
            /**
             * Maximum screenshot width.
             */
            maxWidth?: integer;
            /**
             * Maximum screenshot height.
             */
            maxHeight?: integer;
            /**
             * Send every n-th frame.
             */
            everyNthFrame?: integer;
        }

        export const enum SetWebLifecycleStateRequestState {
            Frozen = 'frozen',
            Active = 'active',
        }

        export interface SetWebLifecycleStateRequest {
            /**
             * Target lifecycle state
             */
            state: ('frozen' | 'active');
        }

        export interface ProduceCompilationCacheRequest {
            scripts: CompilationCacheParams[];
        }

        export interface AddCompilationCacheRequest {
            url: string;
            /**
             * Base64-encoded data (Encoded as a base64 string when passed over JSON)
             */
            data: string;
        }

        export const enum SetSPCTransactionModeRequestMode {
            None = 'none',
            AutoAccept = 'autoAccept',
            AutoChooseToAuthAnotherWay = 'autoChooseToAuthAnotherWay',
            AutoReject = 'autoReject',
            AutoOptOut = 'autoOptOut',
        }

        export interface SetSPCTransactionModeRequest {
            mode: ('none' | 'autoAccept' | 'autoChooseToAuthAnotherWay' | 'autoReject' | 'autoOptOut');
        }

        export const enum SetRPHRegistrationModeRequestMode {
            None = 'none',
            AutoAccept = 'autoAccept',
            AutoReject = 'autoReject',
        }

        export interface SetRPHRegistrationModeRequest {
            mode: ('none' | 'autoAccept' | 'autoReject');
        }

        export interface GenerateTestReportRequest {
            /**
             * Message to be displayed in the report.
             */
            message: string;
            /**
             * Specifies the endpoint group to deliver the report to.
             */
            group?: string;
        }

        export interface SetInterceptFileChooserDialogRequest {
            enabled: boolean;
            /**
             * If true, cancels the dialog by emitting relevant events (if any)
             * in addition to not showing it if the interception is enabled
             * (default: false).
             * @experimental
             */
            cancel?: boolean;
        }

        export interface SetPrerenderingAllowedRequest {
            isAllowed: boolean;
        }

        export interface DomContentEventFiredEvent {
            timestamp: Network.MonotonicTime;
        }

        export const enum FileChooserOpenedEventMode {
            SelectSingle = 'selectSingle',
            SelectMultiple = 'selectMultiple',
        }

        /**
         * Emitted only when `page.interceptFileChooser` is enabled.
         */
        export interface FileChooserOpenedEvent {
            /**
             * Id of the frame containing input node.
             * @experimental
             */
            frameId: FrameId;
            /**
             * Input mode.
             */
            mode: ('selectSingle' | 'selectMultiple');
            /**
             * Input node id. Only present for file choosers opened via an `<input type="file">` element.
             * @experimental
             */
            backendNodeId?: DOM.BackendNodeId;
        }

        /**
         * Fired when frame has been attached to its parent.
         */
        export interface FrameAttachedEvent {
            /**
             * Id of the frame that has been attached.
             */
            frameId: FrameId;
            /**
             * Parent frame identifier.
             */
            parentFrameId: FrameId;
            /**
             * JavaScript stack trace of when frame was attached, only set if frame initiated from script.
             */
            stack?: Runtime.StackTrace;
        }

        /**
         * Fired when frame no longer has a scheduled navigation.
         * @deprecated
         */
        export interface FrameClearedScheduledNavigationEvent {
            /**
             * Id of the frame that has cleared its scheduled navigation.
             */
            frameId: FrameId;
        }

        export const enum FrameDetachedEventReason {
            Remove = 'remove',
            Swap = 'swap',
        }

        /**
         * Fired when frame has been detached from its parent.
         */
        export interface FrameDetachedEvent {
            /**
             * Id of the frame that has been detached.
             */
            frameId: FrameId;
            /**
             * @experimental
             */
            reason: ('remove' | 'swap');
        }

        /**
         * Fired before frame subtree is detached. Emitted before any frame of the
         * subtree is actually detached.
         * @experimental
         */
        export interface FrameSubtreeWillBeDetachedEvent {
            /**
             * Id of the frame that is the root of the subtree that will be detached.
             */
            frameId: FrameId;
        }

        /**
         * Fired once navigation of the frame has completed. Frame is now associated with the new loader.
         */
        export interface FrameNavigatedEvent {
            /**
             * Frame object.
             */
            frame: Frame;
            /**
             * @experimental
             */
            type: NavigationType;
        }

        /**
         * Fired when opening document to write to.
         * @experimental
         */
        export interface DocumentOpenedEvent {
            /**
             * Frame object.
             */
            frame: Frame;
        }

        export const enum FrameStartedNavigatingEventNavigationType {
            Reload = 'reload',
            ReloadBypassingCache = 'reloadBypassingCache',
            Restore = 'restore',
            RestoreWithPost = 'restoreWithPost',
            HistorySameDocument = 'historySameDocument',
            HistoryDifferentDocument = 'historyDifferentDocument',
            SameDocument = 'sameDocument',
            DifferentDocument = 'differentDocument',
        }

        /**
         * Fired when a navigation starts. This event is fired for both
         * renderer-initiated and browser-initiated navigations. For renderer-initiated
         * navigations, the event is fired after `frameRequestedNavigation`.
         * Navigation may still be cancelled after the event is issued. Multiple events
         * can be fired for a single navigation, for example, when a same-document
         * navigation becomes a cross-document navigation (such as in the case of a
         * frameset).
         * @experimental
         */
        export interface FrameStartedNavigatingEvent {
            /**
             * ID of the frame that is being navigated.
             */
            frameId: FrameId;
            /**
             * The URL the navigation started with. The final URL can be different.
             */
            url: string;
            /**
             * Loader identifier. Even though it is present in case of same-document
             * navigation, the previously committed loaderId would not change unless
             * the navigation changes from a same-document to a cross-document
             * navigation.
             */
            loaderId: Network.LoaderId;
            navigationType: ('reload' | 'reloadBypassingCache' | 'restore' | 'restoreWithPost' | 'historySameDocument' | 'historyDifferentDocument' | 'sameDocument' | 'differentDocument');
        }

        /**
         * Fired when a renderer-initiated navigation is requested.
         * Navigation may still be cancelled after the event is issued.
         * @experimental
         */
        export interface FrameRequestedNavigationEvent {
            /**
             * Id of the frame that is being navigated.
             */
            frameId: FrameId;
            /**
             * The reason for the navigation.
             */
            reason: ClientNavigationReason;
            /**
             * The destination URL for the requested navigation.
             */
            url: string;
            /**
             * The disposition for the navigation.
             */
            disposition: ClientNavigationDisposition;
        }

        /**
         * Fired when frame schedules a potential navigation.
         * @deprecated
         */
        export interface FrameScheduledNavigationEvent {
            /**
             * Id of the frame that has scheduled a navigation.
             */
            frameId: FrameId;
            /**
             * Delay (in seconds) until the navigation is scheduled to begin. The navigation is not
             * guaranteed to start.
             */
            delay: number;
            /**
             * The reason for the navigation.
             */
            reason: ClientNavigationReason;
            /**
             * The destination URL for the scheduled navigation.
             */
            url: string;
        }

        /**
         * Fired when frame has started loading.
         * @experimental
         */
        export interface FrameStartedLoadingEvent {
            /**
             * Id of the frame that has started loading.
             */
            frameId: FrameId;
        }

        /**
         * Fired when frame has stopped loading.
         * @experimental
         */
        export interface FrameStoppedLoadingEvent {
            /**
             * Id of the frame that has stopped loading.
             */
            frameId: FrameId;
        }

        /**
         * Fired when page is about to start a download.
         * Deprecated. Use Browser.downloadWillBegin instead.
         * @deprecated
         * @experimental
         */
        export interface DownloadWillBeginEvent {
            /**
             * Id of the frame that caused download to begin.
             */
            frameId: FrameId;
            /**
             * Global unique identifier of the download.
             */
            guid: string;
            /**
             * URL of the resource being downloaded.
             */
            url: string;
            /**
             * Suggested file name of the resource (the actual name of the file saved on disk may differ).
             */
            suggestedFilename: string;
        }

        export const enum DownloadProgressEventState {
            InProgress = 'inProgress',
            Completed = 'completed',
            Canceled = 'canceled',
        }

        /**
         * Fired when download makes progress. Last call has |done| == true.
         * Deprecated. Use Browser.downloadProgress instead.
         * @deprecated
         * @experimental
         */
        export interface DownloadProgressEvent {
            /**
             * Global unique identifier of the download.
             */
            guid: string;
            /**
             * Total expected bytes to download.
             */
            totalBytes: number;
            /**
             * Total bytes received.
             */
            receivedBytes: number;
            /**
             * Download status.
             */
            state: ('inProgress' | 'completed' | 'canceled');
        }

        /**
         * Fired when a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload) has been
         * closed.
         */
        export interface JavascriptDialogClosedEvent {
            /**
             * Frame id.
             * @experimental
             */
            frameId: FrameId;
            /**
             * Whether dialog was confirmed.
             */
            result: boolean;
            /**
             * User input in case of prompt.
             */
            userInput: string;
        }

        /**
         * Fired when a JavaScript initiated dialog (alert, confirm, prompt, or onbeforeunload) is about to
         * open.
         */
        export interface JavascriptDialogOpeningEvent {
            /**
             * Frame url.
             */
            url: string;
            /**
             * Frame id.
             * @experimental
             */
            frameId: FrameId;
            /**
             * Message that will be displayed by the dialog.
             */
            message: string;
            /**
             * Dialog type.
             */
            type: DialogType;
            /**
             * True iff browser is capable showing or acting on the given dialog. When browser has no
             * dialog handler for given target, calling alert while Page domain is engaged will stall
             * the page execution. Execution can be resumed via calling Page.handleJavaScriptDialog.
             */
            hasBrowserHandler: boolean;
            /**
             * Default dialog prompt.
             */
            defaultPrompt?: string;
        }

        /**
         * Fired for lifecycle events (navigation, load, paint, etc) in the current
         * target (including local frames).
         */
        export interface LifecycleEventEvent {
            /**
             * Id of the frame.
             */
            frameId: FrameId;
            /**
             * Loader identifier. Empty string if the request is fetched from worker.
             */
            loaderId: Network.LoaderId;
            name: string;
            timestamp: Network.MonotonicTime;
        }

        /**
         * Fired for failed bfcache history navigations if BackForwardCache feature is enabled. Do
         * not assume any ordering with the Page.frameNavigated event. This event is fired only for
         * main-frame history navigation where the document changes (non-same-document navigations),
         * when bfcache navigation fails.
         * @experimental
         */
        export interface BackForwardCacheNotUsedEvent {
            /**
             * The loader id for the associated navigation.
             */
            loaderId: Network.LoaderId;
            /**
             * The frame id of the associated frame.
             */
            frameId: FrameId;
            /**
             * Array of reasons why the page could not be cached. This must not be empty.
             */
            notRestoredExplanations: BackForwardCacheNotRestoredExplanation[];
            /**
             * Tree structure of reasons why the page could not be cached for each frame.
             */
            notRestoredExplanationsTree?: BackForwardCacheNotRestoredExplanationTree;
        }

        export interface LoadEventFiredEvent {
            timestamp: Network.MonotonicTime;
        }

        export const enum NavigatedWithinDocumentEventNavigationType {
            Fragment = 'fragment',
            HistoryAPI = 'historyApi',
            Other = 'other',
        }

        /**
         * Fired when same-document navigation happens, e.g. due to history API usage or anchor navigation.
         * @experimental
         */
        export interface NavigatedWithinDocumentEvent {
            /**
             * Id of the frame.
             */
            frameId: FrameId;
            /**
             * Frame's new url.
             */
            url: string;
            /**
             * Navigation type
             */
            navigationType: ('fragment' | 'historyApi' | 'other');
        }

        /**
         * Compressed image data requested by the `startScreencast`.
         * @experimental
         */
        export interface ScreencastFrameEvent {
            /**
             * Base64-encoded compressed image. (Encoded as a base64 string when passed over JSON)
             */
            data: string;
            /**
             * Screencast frame metadata.
             */
            metadata: ScreencastFrameMetadata;
            /**
             * Frame number.
             */
            sessionId: integer;
        }

        /**
         * Fired when the page with currently enabled screencast was shown or hidden `.
         * @experimental
         */
        export interface ScreencastVisibilityChangedEvent {
            /**
             * True if the page is visible.
             */
            visible: boolean;
        }

        /**
         * Fired when a new window is going to be opened, via window.open(), link click, form submission,
         * etc.
         */
        export interface WindowOpenEvent {
            /**
             * The URL for the new window.
             */
            url: string;
            /**
             * Window name.
             */
            windowName: string;
            /**
             * An array of enabled window features.
             */
            windowFeatures: string[];
            /**
             * Whether or not it was triggered by user gesture.
             */
            userGesture: boolean;
        }

        /**
         * Issued for every compilation cache generated.
         * @experimental
         */
        export interface CompilationCacheProducedEvent {
            url: string;
            /**
             * Base64-encoded data (Encoded as a base64 string when passed over JSON)
             */
            data: string;
        }
    }

    export namespace Performance {

        /**
         * Run-time execution metric.
         */
        export interface Metric {
            /**
             * Metric name.
             */
            name: string;
            /**
             * Metric value.
             */
            value: number;
        }

        export const enum EnableRequestTimeDomain {
            TimeTicks = 'timeTicks',
            ThreadTicks = 'threadTicks',
        }

        export interface EnableRequest {
            /**
             * Time domain to use for collecting and reporting duration metrics.
             */
            timeDomain?: ('timeTicks' | 'threadTicks');
        }

        export const enum SetTimeDomainRequestTimeDomain {
            TimeTicks = 'timeTicks',
            ThreadTicks = 'threadTicks',
        }

        export interface SetTimeDomainRequest {
            /**
             * Time domain
             */
            timeDomain: ('timeTicks' | 'threadTicks');
        }

        export interface GetMetricsResponse {
            /**
             * Current values for run-time metrics.
             */
            metrics: Metric[];
        }

        /**
         * Current values of the metrics.
         */
        export interface MetricsEvent {
            /**
             * Current values of the metrics.
             */
            metrics: Metric[];
            /**
             * Timestamp title.
             */
            title: string;
        }
    }

    /**
     * Reporting of performance timeline events, as specified in
     * https://w3c.github.io/performance-timeline/#dom-performanceobserver.
     * @experimental
     */
    export namespace PerformanceTimeline {

        /**
         * See https://github.com/WICG/LargestContentfulPaint and largest_contentful_paint.idl
         */
        export interface LargestContentfulPaint {
            renderTime: Network.TimeSinceEpoch;
            loadTime: Network.TimeSinceEpoch;
            /**
             * The number of pixels being painted.
             */
            size: number;
            /**
             * The id attribute of the element, if available.
             */
            elementId?: string;
            /**
             * The URL of the image (may be trimmed).
             */
            url?: string;
            nodeId?: DOM.BackendNodeId;
        }

        export interface LayoutShiftAttribution {
            previousRect: DOM.Rect;
            currentRect: DOM.Rect;
            nodeId?: DOM.BackendNodeId;
        }

        /**
         * See https://wicg.github.io/layout-instability/#sec-layout-shift and layout_shift.idl
         */
        export interface LayoutShift {
            /**
             * Score increment produced by this event.
             */
            value: number;
            hadRecentInput: boolean;
            lastInputTime: Network.TimeSinceEpoch;
            sources: LayoutShiftAttribution[];
        }

        export interface TimelineEvent {
            /**
             * Identifies the frame that this event is related to. Empty for non-frame targets.
             */
            frameId: Page.FrameId;
            /**
             * The event type, as specified in https://w3c.github.io/performance-timeline/#dom-performanceentry-entrytype
             * This determines which of the optional "details" fields is present.
             */
            type: string;
            /**
             * Name may be empty depending on the type.
             */
            name: string;
            /**
             * Time in seconds since Epoch, monotonically increasing within document lifetime.
             */
            time: Network.TimeSinceEpoch;
            /**
             * Event duration, if applicable.
             */
            duration?: number;
            lcpDetails?: LargestContentfulPaint;
            layoutShiftDetails?: LayoutShift;
        }

        export interface EnableRequest {
            /**
             * The types of event to report, as specified in
             * https://w3c.github.io/performance-timeline/#dom-performanceentry-entrytype
             * The specified filter overrides any previous filters, passing empty
             * filter disables recording.
             * Note that not all types exposed to the web platform are currently supported.
             */
            eventTypes: string[];
        }

        /**
         * Sent when a performance timeline event is added. See reportPerformanceTimeline method.
         */
        export interface TimelineEventAddedEvent {
            event: TimelineEvent;
        }
    }

    /**
     * @experimental
     */
    export namespace Preload {

        /**
         * Unique id
         */
        export type RuleSetId = string;

        /**
         * Corresponds to SpeculationRuleSet
         */
        export interface RuleSet {
            id: RuleSetId;
            /**
             * Identifies a document which the rule set is associated with.
             */
            loaderId: Network.LoaderId;
            /**
             * Source text of JSON representing the rule set. If it comes from
             * `<script>` tag, it is the textContent of the node. Note that it is
             * a JSON for valid case.
             * 
             * See also:
             * - https://wicg.github.io/nav-speculation/speculation-rules.html
             * - https://github.com/WICG/nav-speculation/blob/main/triggers.md
             */
            sourceText: string;
            /**
             * A speculation rule set is either added through an inline
             * `<script>` tag or through an external resource via the
             * 'Speculation-Rules' HTTP header. For the first case, we include
             * the BackendNodeId of the relevant `<script>` tag. For the second
             * case, we include the external URL where the rule set was loaded
             * from, and also RequestId if Network domain is enabled.
             * 
             * See also:
             * - https://wicg.github.io/nav-speculation/speculation-rules.html#speculation-rules-script
             * - https://wicg.github.io/nav-speculation/speculation-rules.html#speculation-rules-header
             */
            backendNodeId?: DOM.BackendNodeId;
            url?: string;
            requestId?: Network.RequestId;
            /**
             * Error information
             * `errorMessage` is null iff `errorType` is null.
             */
            errorType?: RuleSetErrorType;
            /**
             * TODO(https://crbug.com/1425354): Replace this property with structured error.
             * @deprecated
             */
            errorMessage?: string;
            /**
             * For more details, see:
             * https://github.com/WICG/nav-speculation/blob/main/speculation-rules-tags.md
             */
            tag?: string;
        }

        export type RuleSetErrorType = ('SourceIsNotJsonObject' | 'InvalidRulesSkipped' | 'InvalidRulesetLevelTag');

        /**
         * The type of preloading attempted. It corresponds to
         * mojom::SpeculationAction (although PrefetchWithSubresources is omitted as it
         * isn't being used by clients).
         */
        export type SpeculationAction = ('Prefetch' | 'Prerender');

        /**
         * Corresponds to mojom::SpeculationTargetHint.
         * See https://github.com/WICG/nav-speculation/blob/main/triggers.md#window-name-targeting-hints
         */
        export type SpeculationTargetHint = ('Blank' | 'Self');

        /**
         * A key that identifies a preloading attempt.
         * 
         * The url used is the url specified by the trigger (i.e. the initial URL), and
         * not the final url that is navigated to. For example, prerendering allows
         * same-origin main frame navigations during the attempt, but the attempt is
         * still keyed with the initial URL.
         */
        export interface PreloadingAttemptKey {
            loaderId: Network.LoaderId;
            action: SpeculationAction;
            url: string;
            targetHint?: SpeculationTargetHint;
        }

        /**
         * Lists sources for a preloading attempt, specifically the ids of rule sets
         * that had a speculation rule that triggered the attempt, and the
         * BackendNodeIds of <a href> or <area href> elements that triggered the
         * attempt (in the case of attempts triggered by a document rule). It is
         * possible for multiple rule sets and links to trigger a single attempt.
         */
        export interface PreloadingAttemptSource {
            key: PreloadingAttemptKey;
            ruleSetIds: RuleSetId[];
            nodeIds: DOM.BackendNodeId[];
        }

        /**
         * Chrome manages different types of preloads together using a
         * concept of preloading pipeline. For example, if a site uses a
         * SpeculationRules for prerender, Chrome first starts a prefetch and
         * then upgrades it to prerender.
         * 
         * CDP events for them are emitted separately but they share
         * `PreloadPipelineId`.
         */
        export type PreloadPipelineId = string;

        /**
         * List of FinalStatus reasons for Prerender2.
         */
        export type PrerenderFinalStatus = ('Activated' | 'Destroyed' | 'LowEndDevice' | 'InvalidSchemeRedirect' | 'InvalidSchemeNavigation' | 'NavigationRequestBlockedByCsp' | 'MojoBinderPolicy' | 'RendererProcessCrashed' | 'RendererProcessKilled' | 'Download' | 'TriggerDestroyed' | 'NavigationNotCommitted' | 'NavigationBadHttpStatus' | 'ClientCertRequested' | 'NavigationRequestNetworkError' | 'CancelAllHostsForTesting' | 'DidFailLoad' | 'Stop' | 'SslCertificateError' | 'LoginAuthRequested' | 'UaChangeRequiresReload' | 'BlockedByClient' | 'AudioOutputDeviceRequested' | 'MixedContent' | 'TriggerBackgrounded' | 'MemoryLimitExceeded' | 'DataSaverEnabled' | 'TriggerUrlHasEffectiveUrl' | 'ActivatedBeforeStarted' | 'InactivePageRestriction' | 'StartFailed' | 'TimeoutBackgrounded' | 'CrossSiteRedirectInInitialNavigation' | 'CrossSiteNavigationInInitialNavigation' | 'SameSiteCrossOriginRedirectNotOptInInInitialNavigation' | 'SameSiteCrossOriginNavigationNotOptInInInitialNavigation' | 'ActivationNavigationParameterMismatch' | 'ActivatedInBackground' | 'EmbedderHostDisallowed' | 'ActivationNavigationDestroyedBeforeSuccess' | 'TabClosedByUserGesture' | 'TabClosedWithoutUserGesture' | 'PrimaryMainFrameRendererProcessCrashed' | 'PrimaryMainFrameRendererProcessKilled' | 'ActivationFramePolicyNotCompatible' | 'PreloadingDisabled' | 'BatterySaverEnabled' | 'ActivatedDuringMainFrameNavigation' | 'PreloadingUnsupportedByWebContents' | 'CrossSiteRedirectInMainFrameNavigation' | 'CrossSiteNavigationInMainFrameNavigation' | 'SameSiteCrossOriginRedirectNotOptInInMainFrameNavigation' | 'SameSiteCrossOriginNavigationNotOptInInMainFrameNavigation' | 'MemoryPressureOnTrigger' | 'MemoryPressureAfterTriggered' | 'PrerenderingDisabledByDevTools' | 'SpeculationRuleRemoved' | 'ActivatedWithAuxiliaryBrowsingContexts' | 'MaxNumOfRunningEagerPrerendersExceeded' | 'MaxNumOfRunningNonEagerPrerendersExceeded' | 'MaxNumOfRunningEmbedderPrerendersExceeded' | 'PrerenderingUrlHasEffectiveUrl' | 'RedirectedPrerenderingUrlHasEffectiveUrl' | 'ActivationUrlHasEffectiveUrl' | 'JavaScriptInterfaceAdded' | 'JavaScriptInterfaceRemoved' | 'AllPrerenderingCanceled' | 'WindowClosed' | 'SlowNetwork' | 'OtherPrerenderedPageActivated' | 'V8OptimizerDisabled' | 'PrerenderFailedDuringPrefetch' | 'BrowsingDataRemoved' | 'PrerenderHostReused');

        /**
         * Preloading status values, see also PreloadingTriggeringOutcome. This
         * status is shared by prefetchStatusUpdated and prerenderStatusUpdated.
         */
        export type PreloadingStatus = ('Pending' | 'Running' | 'Ready' | 'Success' | 'Failure' | 'NotSupported');

        /**
         * TODO(https://crbug.com/1384419): revisit the list of PrefetchStatus and
         * filter out the ones that aren't necessary to the developers.
         */
        export type PrefetchStatus = ('PrefetchAllowed' | 'PrefetchFailedIneligibleRedirect' | 'PrefetchFailedInvalidRedirect' | 'PrefetchFailedMIMENotSupported' | 'PrefetchFailedNetError' | 'PrefetchFailedNon2XX' | 'PrefetchEvictedAfterBrowsingDataRemoved' | 'PrefetchEvictedAfterCandidateRemoved' | 'PrefetchEvictedForNewerPrefetch' | 'PrefetchHeldback' | 'PrefetchIneligibleRetryAfter' | 'PrefetchIsPrivacyDecoy' | 'PrefetchIsStale' | 'PrefetchNotEligibleBrowserContextOffTheRecord' | 'PrefetchNotEligibleDataSaverEnabled' | 'PrefetchNotEligibleExistingProxy' | 'PrefetchNotEligibleHostIsNonUnique' | 'PrefetchNotEligibleNonDefaultStoragePartition' | 'PrefetchNotEligibleSameSiteCrossOriginPrefetchRequiredProxy' | 'PrefetchNotEligibleSchemeIsNotHttps' | 'PrefetchNotEligibleUserHasCookies' | 'PrefetchNotEligibleUserHasServiceWorker' | 'PrefetchNotEligibleUserHasServiceWorkerNoFetchHandler' | 'PrefetchNotEligibleRedirectFromServiceWorker' | 'PrefetchNotEligibleRedirectToServiceWorker' | 'PrefetchNotEligibleBatterySaverEnabled' | 'PrefetchNotEligiblePreloadingDisabled' | 'PrefetchNotFinishedInTime' | 'PrefetchNotStarted' | 'PrefetchNotUsedCookiesChanged' | 'PrefetchProxyNotAvailable' | 'PrefetchResponseUsed' | 'PrefetchSuccessfulButNotUsed' | 'PrefetchNotUsedProbeFailed');

        /**
         * Information of headers to be displayed when the header mismatch occurred.
         */
        export interface PrerenderMismatchedHeaders {
            headerName: string;
            initialValue?: string;
            activationValue?: string;
        }

        /**
         * Upsert. Currently, it is only emitted when a rule set added.
         */
        export interface RuleSetUpdatedEvent {
            ruleSet: RuleSet;
        }

        export interface RuleSetRemovedEvent {
            id: RuleSetId;
        }

        /**
         * Fired when a preload enabled state is updated.
         */
        export interface PreloadEnabledStateUpdatedEvent {
            disabledByPreference: boolean;
            disabledByDataSaver: boolean;
            disabledByBatterySaver: boolean;
            disabledByHoldbackPrefetchSpeculationRules: boolean;
            disabledByHoldbackPrerenderSpeculationRules: boolean;
        }

        /**
         * Fired when a prefetch attempt is updated.
         */
        export interface PrefetchStatusUpdatedEvent {
            key: PreloadingAttemptKey;
            pipelineId: PreloadPipelineId;
            /**
             * The frame id of the frame initiating prefetch.
             */
            initiatingFrameId: Page.FrameId;
            prefetchUrl: string;
            status: PreloadingStatus;
            prefetchStatus: PrefetchStatus;
            requestId: Network.RequestId;
        }

        /**
         * Fired when a prerender attempt is updated.
         */
        export interface PrerenderStatusUpdatedEvent {
            key: PreloadingAttemptKey;
            pipelineId: PreloadPipelineId;
            status: PreloadingStatus;
            prerenderStatus?: PrerenderFinalStatus;
            /**
             * This is used to give users more information about the name of Mojo interface
             * that is incompatible with prerender and has caused the cancellation of the attempt.
             */
            disallowedMojoInterface?: string;
            mismatchedHeaders?: PrerenderMismatchedHeaders[];
        }

        /**
         * Send a list of sources for all preloading attempts in a document.
         */
        export interface PreloadingAttemptSourcesUpdatedEvent {
            loaderId: Network.LoaderId;
            preloadingAttemptSources: PreloadingAttemptSource[];
        }
    }

    export namespace Security {

        /**
         * An internal certificate ID value.
         */
        export type CertificateId = integer;

        /**
         * A description of mixed content (HTTP resources on HTTPS pages), as defined by
         * https://www.w3.org/TR/mixed-content/#categories
         */
        export type MixedContentType = ('blockable' | 'optionally-blockable' | 'none');

        /**
         * The security level of a page or resource.
         */
        export type SecurityState = ('unknown' | 'neutral' | 'insecure' | 'secure' | 'info' | 'insecure-broken');

        /**
         * Details about the security state of the page certificate.
         * @experimental
         */
        export interface CertificateSecurityState {
            /**
             * Protocol name (e.g. "TLS 1.2" or "QUIC").
             */
            protocol: string;
            /**
             * Key Exchange used by the connection, or the empty string if not applicable.
             */
            keyExchange: string;
            /**
             * (EC)DH group used by the connection, if applicable.
             */
            keyExchangeGroup?: string;
            /**
             * Cipher name.
             */
            cipher: string;
            /**
             * TLS MAC. Note that AEAD ciphers do not have separate MACs.
             */
            mac?: string;
            /**
             * Page certificate.
             */
            certificate: string[];
            /**
             * Certificate subject name.
             */
            subjectName: string;
            /**
             * Name of the issuing CA.
             */
            issuer: string;
            /**
             * Certificate valid from date.
             */
            validFrom: Network.TimeSinceEpoch;
            /**
             * Certificate valid to (expiration) date
             */
            validTo: Network.TimeSinceEpoch;
            /**
             * The highest priority network error code, if the certificate has an error.
             */
            certificateNetworkError?: string;
            /**
             * True if the certificate uses a weak signature algorithm.
             */
            certificateHasWeakSignature: boolean;
            /**
             * True if the certificate has a SHA1 signature in the chain.
             */
            certificateHasSha1Signature: boolean;
            /**
             * True if modern SSL
             */
            modernSSL: boolean;
            /**
             * True if the connection is using an obsolete SSL protocol.
             */
            obsoleteSslProtocol: boolean;
            /**
             * True if the connection is using an obsolete SSL key exchange.
             */
            obsoleteSslKeyExchange: boolean;
            /**
             * True if the connection is using an obsolete SSL cipher.
             */
            obsoleteSslCipher: boolean;
            /**
             * True if the connection is using an obsolete SSL signature.
             */
            obsoleteSslSignature: boolean;
        }

        /**
         * @experimental
         */
        export type SafetyTipStatus = ('badReputation' | 'lookalike');

        /**
         * @experimental
         */
        export interface SafetyTipInfo {
            /**
             * Describes whether the page triggers any safety tips or reputation warnings. Default is unknown.
             */
            safetyTipStatus: SafetyTipStatus;
            /**
             * The URL the safety tip suggested ("Did you mean?"). Only filled in for lookalike matches.
             */
            safeUrl?: string;
        }

        /**
         * Security state information about the page.
         * @experimental
         */
        export interface VisibleSecurityState {
            /**
             * The security level of the page.
             */
            securityState: SecurityState;
            /**
             * Security state details about the page certificate.
             */
            certificateSecurityState?: CertificateSecurityState;
            /**
             * The type of Safety Tip triggered on the page. Note that this field will be set even if the Safety Tip UI was not actually shown.
             */
            safetyTipInfo?: SafetyTipInfo;
            /**
             * Array of security state issues ids.
             */
            securityStateIssueIds: string[];
        }

        /**
         * An explanation of an factor contributing to the security state.
         */
        export interface SecurityStateExplanation {
            /**
             * Security state representing the severity of the factor being explained.
             */
            securityState: SecurityState;
            /**
             * Title describing the type of factor.
             */
            title: string;
            /**
             * Short phrase describing the type of factor.
             */
            summary: string;
            /**
             * Full text explanation of the factor.
             */
            description: string;
            /**
             * The type of mixed content described by the explanation.
             */
            mixedContentType: MixedContentType;
            /**
             * Page certificate.
             */
            certificate: string[];
            /**
             * Recommendations to fix any issues.
             */
            recommendations?: string[];
        }

        /**
         * Information about insecure content on the page.
         * @deprecated
         */
        export interface InsecureContentStatus {
            /**
             * Always false.
             */
            ranMixedContent: boolean;
            /**
             * Always false.
             */
            displayedMixedContent: boolean;
            /**
             * Always false.
             */
            containedMixedForm: boolean;
            /**
             * Always false.
             */
            ranContentWithCertErrors: boolean;
            /**
             * Always false.
             */
            displayedContentWithCertErrors: boolean;
            /**
             * Always set to unknown.
             */
            ranInsecureContentStyle: SecurityState;
            /**
             * Always set to unknown.
             */
            displayedInsecureContentStyle: SecurityState;
        }

        /**
         * The action to take when a certificate error occurs. continue will continue processing the
         * request and cancel will cancel the request.
         */
        export type CertificateErrorAction = ('continue' | 'cancel');

        export interface SetIgnoreCertificateErrorsRequest {
            /**
             * If true, all certificate errors will be ignored.
             */
            ignore: boolean;
        }

        export interface HandleCertificateErrorRequest {
            /**
             * The ID of the event.
             */
            eventId: integer;
            /**
             * The action to take on the certificate error.
             */
            action: CertificateErrorAction;
        }

        export interface SetOverrideCertificateErrorsRequest {
            /**
             * If true, certificate errors will be overridden.
             */
            override: boolean;
        }

        /**
         * There is a certificate error. If overriding certificate errors is enabled, then it should be
         * handled with the `handleCertificateError` command. Note: this event does not fire if the
         * certificate error has been allowed internally. Only one client per target should override
         * certificate errors at the same time.
         * @deprecated
         */
        export interface CertificateErrorEvent {
            /**
             * The ID of the event.
             */
            eventId: integer;
            /**
             * The type of the error.
             */
            errorType: string;
            /**
             * The url that was requested.
             */
            requestURL: string;
        }

        /**
         * The security state of the page changed.
         * @experimental
         */
        export interface VisibleSecurityStateChangedEvent {
            /**
             * Security state information about the page.
             */
            visibleSecurityState: VisibleSecurityState;
        }

        /**
         * The security state of the page changed. No longer being sent.
         * @deprecated
         */
        export interface SecurityStateChangedEvent {
            /**
             * Security state.
             */
            securityState: SecurityState;
            /**
             * True if the page was loaded over cryptographic transport such as HTTPS.
             * @deprecated
             */
            schemeIsCryptographic: boolean;
            /**
             * Previously a list of explanations for the security state. Now always
             * empty.
             * @deprecated
             */
            explanations: SecurityStateExplanation[];
            /**
             * Information about insecure content on the page.
             * @deprecated
             */
            insecureContentStatus: InsecureContentStatus;
            /**
             * Overrides user-visible description of the state. Always omitted.
             * @deprecated
             */
            summary?: string;
        }
    }

    /**
     * @experimental
     */
    export namespace ServiceWorker {

        export type RegistrationID = string;

        /**
         * ServiceWorker registration.
         */
        export interface ServiceWorkerRegistration {
            registrationId: RegistrationID;
            scopeURL: string;
            isDeleted: boolean;
        }

        export type ServiceWorkerVersionRunningStatus = ('stopped' | 'starting' | 'running' | 'stopping');

        export type ServiceWorkerVersionStatus = ('new' | 'installing' | 'installed' | 'activating' | 'activated' | 'redundant');

        /**
         * ServiceWorker version.
         */
        export interface ServiceWorkerVersion {
            versionId: string;
            registrationId: RegistrationID;
            scriptURL: string;
            runningStatus: ServiceWorkerVersionRunningStatus;
            status: ServiceWorkerVersionStatus;
            /**
             * The Last-Modified header value of the main script.
             */
            scriptLastModified?: number;
            /**
             * The time at which the response headers of the main script were received from the server.
             * For cached script it is the last time the cache entry was validated.
             */
            scriptResponseTime?: number;
            controlledClients?: Target.TargetID[];
            targetId?: Target.TargetID;
            routerRules?: string;
        }

        /**
         * ServiceWorker error message.
         */
        export interface ServiceWorkerErrorMessage {
            errorMessage: string;
            registrationId: RegistrationID;
            versionId: string;
            sourceURL: string;
            lineNumber: integer;
            columnNumber: integer;
        }

        export interface DeliverPushMessageRequest {
            origin: string;
            registrationId: RegistrationID;
            data: string;
        }

        export interface DispatchSyncEventRequest {
            origin: string;
            registrationId: RegistrationID;
            tag: string;
            lastChance: boolean;
        }

        export interface DispatchPeriodicSyncEventRequest {
            origin: string;
            registrationId: RegistrationID;
            tag: string;
        }

        export interface SetForceUpdateOnPageLoadRequest {
            forceUpdateOnPageLoad: boolean;
        }

        export interface SkipWaitingRequest {
            scopeURL: string;
        }

        export interface StartWorkerRequest {
            scopeURL: string;
        }

        export interface StopWorkerRequest {
            versionId: string;
        }

        export interface UnregisterRequest {
            scopeURL: string;
        }

        export interface UpdateRegistrationRequest {
            scopeURL: string;
        }

        export interface WorkerErrorReportedEvent {
            errorMessage: ServiceWorkerErrorMessage;
        }

        export interface WorkerRegistrationUpdatedEvent {
            registrations: ServiceWorkerRegistration[];
        }

        export interface WorkerVersionUpdatedEvent {
            versions: ServiceWorkerVersion[];
        }
    }

    /**
     * @experimental
     */
    export namespace Storage {

        export type SerializedStorageKey = string;

        /**
         * Enum of possible storage types.
         */
        export type StorageType = ('cookies' | 'file_systems' | 'indexeddb' | 'local_storage' | 'shader_cache' | 'websql' | 'service_workers' | 'cache_storage' | 'interest_groups' | 'shared_storage' | 'storage_buckets' | 'all' | 'other');

        /**
         * Usage for a storage type.
         */
        export interface UsageForType {
            /**
             * Name of storage type.
             */
            storageType: StorageType;
            /**
             * Storage usage (bytes).
             */
            usage: number;
        }

        /**
         * Pair of issuer origin and number of available (signed, but not used) Trust
         * Tokens from that issuer.
         * @experimental
         */
        export interface TrustTokens {
            issuerOrigin: string;
            count: number;
        }

        /**
         * Protected audience interest group auction identifier.
         */
        export type InterestGroupAuctionId = string;

        /**
         * Enum of interest group access types.
         */
        export type InterestGroupAccessType = ('join' | 'leave' | 'update' | 'loaded' | 'bid' | 'win' | 'additionalBid' | 'additionalBidWin' | 'topLevelBid' | 'topLevelAdditionalBid' | 'clear');

        /**
         * Enum of auction events.
         */
        export type InterestGroupAuctionEventType = ('started' | 'configResolved');

        /**
         * Enum of network fetches auctions can do.
         */
        export type InterestGroupAuctionFetchType = ('bidderJs' | 'bidderWasm' | 'sellerJs' | 'bidderTrustedSignals' | 'sellerTrustedSignals');

        /**
         * Enum of shared storage access scopes.
         */
        export type SharedStorageAccessScope = ('window' | 'sharedStorageWorklet' | 'protectedAudienceWorklet' | 'header');

        /**
         * Enum of shared storage access methods.
         */
        export type SharedStorageAccessMethod = ('addModule' | 'createWorklet' | 'selectURL' | 'run' | 'batchUpdate' | 'set' | 'append' | 'delete' | 'clear' | 'get' | 'keys' | 'values' | 'entries' | 'length' | 'remainingBudget');

        /**
         * Struct for a single key-value pair in an origin's shared storage.
         */
        export interface SharedStorageEntry {
            key: string;
            value: string;
        }

        /**
         * Details for an origin's shared storage.
         */
        export interface SharedStorageMetadata {
            /**
             * Time when the origin's shared storage was last created.
             */
            creationTime: Network.TimeSinceEpoch;
            /**
             * Number of key-value pairs stored in origin's shared storage.
             */
            length: integer;
            /**
             * Current amount of bits of entropy remaining in the navigation budget.
             */
            remainingBudget: number;
            /**
             * Total number of bytes stored as key-value pairs in origin's shared
             * storage.
             */
            bytesUsed: integer;
        }

        /**
         * Represents a dictionary object passed in as privateAggregationConfig to
         * run or selectURL.
         */
        export interface SharedStoragePrivateAggregationConfig {
            /**
             * The chosen aggregation service deployment.
             */
            aggregationCoordinatorOrigin?: string;
            /**
             * The context ID provided.
             */
            contextId?: string;
            /**
             * Configures the maximum size allowed for filtering IDs.
             */
            filteringIdMaxBytes: integer;
            /**
             * The limit on the number of contributions in the final report.
             */
            maxContributions?: integer;
        }

        /**
         * Pair of reporting metadata details for a candidate URL for `selectURL()`.
         */
        export interface SharedStorageReportingMetadata {
            eventType: string;
            reportingUrl: string;
        }

        /**
         * Bundles a candidate URL with its reporting metadata.
         */
        export interface SharedStorageUrlWithMetadata {
            /**
             * Spec of candidate URL.
             */
            url: string;
            /**
             * Any associated reporting metadata.
             */
            reportingMetadata: SharedStorageReportingMetadata[];
        }

        /**
         * Bundles the parameters for shared storage access events whose
         * presence/absence can vary according to SharedStorageAccessType.
         */
        export interface SharedStorageAccessParams {
            /**
             * Spec of the module script URL.
             * Present only for SharedStorageAccessMethods: addModule and
             * createWorklet.
             */
            scriptSourceUrl?: string;
            /**
             * String denoting "context-origin", "script-origin", or a custom
             * origin to be used as the worklet's data origin.
             * Present only for SharedStorageAccessMethod: createWorklet.
             */
            dataOrigin?: string;
            /**
             * Name of the registered operation to be run.
             * Present only for SharedStorageAccessMethods: run and selectURL.
             */
            operationName?: string;
            /**
             * ID of the operation call.
             * Present only for SharedStorageAccessMethods: run and selectURL.
             */
            operationId?: string;
            /**
             * Whether or not to keep the worket alive for future run or selectURL
             * calls.
             * Present only for SharedStorageAccessMethods: run and selectURL.
             */
            keepAlive?: boolean;
            /**
             * Configures the private aggregation options.
             * Present only for SharedStorageAccessMethods: run and selectURL.
             */
            privateAggregationConfig?: SharedStoragePrivateAggregationConfig;
            /**
             * The operation's serialized data in bytes (converted to a string).
             * Present only for SharedStorageAccessMethods: run and selectURL.
             * TODO(crbug.com/401011862): Consider updating this parameter to binary.
             */
            serializedData?: string;
            /**
             * Array of candidate URLs' specs, along with any associated metadata.
             * Present only for SharedStorageAccessMethod: selectURL.
             */
            urlsWithMetadata?: SharedStorageUrlWithMetadata[];
            /**
             * Spec of the URN:UUID generated for a selectURL call.
             * Present only for SharedStorageAccessMethod: selectURL.
             */
            urnUuid?: string;
            /**
             * Key for a specific entry in an origin's shared storage.
             * Present only for SharedStorageAccessMethods: set, append, delete, and
             * get.
             */
            key?: string;
            /**
             * Value for a specific entry in an origin's shared storage.
             * Present only for SharedStorageAccessMethods: set and append.
             */
            value?: string;
            /**
             * Whether or not to set an entry for a key if that key is already present.
             * Present only for SharedStorageAccessMethod: set.
             */
            ignoreIfPresent?: boolean;
            /**
             * A number denoting the (0-based) order of the worklet's
             * creation relative to all other shared storage worklets created by
             * documents using the current storage partition.
             * Present only for SharedStorageAccessMethods: addModule, createWorklet.
             */
            workletOrdinal?: integer;
            /**
             * Hex representation of the DevTools token used as the TargetID for the
             * associated shared storage worklet.
             * Present only for SharedStorageAccessMethods: addModule, createWorklet,
             * run, selectURL, and any other SharedStorageAccessMethod when the
             * SharedStorageAccessScope is sharedStorageWorklet.
             */
            workletTargetId?: Target.TargetID;
            /**
             * Name of the lock to be acquired, if present.
             * Optionally present only for SharedStorageAccessMethods: batchUpdate,
             * set, append, delete, and clear.
             */
            withLock?: string;
            /**
             * If the method has been called as part of a batchUpdate, then this
             * number identifies the batch to which it belongs.
             * Optionally present only for SharedStorageAccessMethods:
             * batchUpdate (required), set, append, delete, and clear.
             */
            batchUpdateId?: string;
            /**
             * Number of modifier methods sent in batch.
             * Present only for SharedStorageAccessMethod: batchUpdate.
             */
            batchSize?: integer;
        }

        export type StorageBucketsDurability = ('relaxed' | 'strict');

        export interface StorageBucket {
            storageKey: SerializedStorageKey;
            /**
             * If not specified, it is the default bucket of the storageKey.
             */
            name?: string;
        }

        export interface StorageBucketInfo {
            bucket: StorageBucket;
            id: string;
            expiration: Network.TimeSinceEpoch;
            /**
             * Storage quota (bytes).
             */
            quota: number;
            persistent: boolean;
            durability: StorageBucketsDurability;
        }

        /**
         * @experimental
         */
        export type AttributionReportingSourceType = ('navigation' | 'event');

        /**
         * @experimental
         */
        export type UnsignedInt64AsBase10 = string;

        /**
         * @experimental
         */
        export type UnsignedInt128AsBase16 = string;

        /**
         * @experimental
         */
        export type SignedInt64AsBase10 = string;

        /**
         * @experimental
         */
        export interface AttributionReportingFilterDataEntry {
            key: string;
            values: string[];
        }

        /**
         * @experimental
         */
        export interface AttributionReportingFilterConfig {
            filterValues: AttributionReportingFilterDataEntry[];
            /**
             * duration in seconds
             */
            lookbackWindow?: integer;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingFilterPair {
            filters: AttributionReportingFilterConfig[];
            notFilters: AttributionReportingFilterConfig[];
        }

        /**
         * @experimental
         */
        export interface AttributionReportingAggregationKeysEntry {
            key: string;
            value: UnsignedInt128AsBase16;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingEventReportWindows {
            /**
             * duration in seconds
             */
            start: integer;
            /**
             * duration in seconds
             */
            ends: integer[];
        }

        /**
         * @experimental
         */
        export type AttributionReportingTriggerDataMatching = ('exact' | 'modulus');

        /**
         * @experimental
         */
        export interface AttributionReportingAggregatableDebugReportingData {
            keyPiece: UnsignedInt128AsBase16;
            /**
             * number instead of integer because not all uint32 can be represented by
             * int
             */
            value: number;
            types: string[];
        }

        /**
         * @experimental
         */
        export interface AttributionReportingAggregatableDebugReportingConfig {
            /**
             * number instead of integer because not all uint32 can be represented by
             * int, only present for source registrations
             */
            budget?: number;
            keyPiece: UnsignedInt128AsBase16;
            debugData: AttributionReportingAggregatableDebugReportingData[];
            aggregationCoordinatorOrigin?: string;
        }

        /**
         * @experimental
         */
        export interface AttributionScopesData {
            values: string[];
            /**
             * number instead of integer because not all uint32 can be represented by
             * int
             */
            limit: number;
            maxEventStates: number;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingNamedBudgetDef {
            name: string;
            budget: integer;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingSourceRegistration {
            time: Network.TimeSinceEpoch;
            /**
             * duration in seconds
             */
            expiry: integer;
            /**
             * number instead of integer because not all uint32 can be represented by
             * int
             */
            triggerData: number[];
            eventReportWindows: AttributionReportingEventReportWindows;
            /**
             * duration in seconds
             */
            aggregatableReportWindow: integer;
            type: AttributionReportingSourceType;
            sourceOrigin: string;
            reportingOrigin: string;
            destinationSites: string[];
            eventId: UnsignedInt64AsBase10;
            priority: SignedInt64AsBase10;
            filterData: AttributionReportingFilterDataEntry[];
            aggregationKeys: AttributionReportingAggregationKeysEntry[];
            debugKey?: UnsignedInt64AsBase10;
            triggerDataMatching: AttributionReportingTriggerDataMatching;
            destinationLimitPriority: SignedInt64AsBase10;
            aggregatableDebugReportingConfig: AttributionReportingAggregatableDebugReportingConfig;
            scopesData?: AttributionScopesData;
            maxEventLevelReports: integer;
            namedBudgets: AttributionReportingNamedBudgetDef[];
            debugReporting: boolean;
            eventLevelEpsilon: number;
        }

        /**
         * @experimental
         */
        export type AttributionReportingSourceRegistrationResult = ('success' | 'internalError' | 'insufficientSourceCapacity' | 'insufficientUniqueDestinationCapacity' | 'excessiveReportingOrigins' | 'prohibitedByBrowserPolicy' | 'successNoised' | 'destinationReportingLimitReached' | 'destinationGlobalLimitReached' | 'destinationBothLimitsReached' | 'reportingOriginsPerSiteLimitReached' | 'exceedsMaxChannelCapacity' | 'exceedsMaxScopesChannelCapacity' | 'exceedsMaxTriggerStateCardinality' | 'exceedsMaxEventStatesLimit' | 'destinationPerDayReportingLimitReached');

        /**
         * @experimental
         */
        export type AttributionReportingSourceRegistrationTimeConfig = ('include' | 'exclude');

        /**
         * @experimental
         */
        export interface AttributionReportingAggregatableValueDictEntry {
            key: string;
            /**
             * number instead of integer because not all uint32 can be represented by
             * int
             */
            value: number;
            filteringId: UnsignedInt64AsBase10;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingAggregatableValueEntry {
            values: AttributionReportingAggregatableValueDictEntry[];
            filters: AttributionReportingFilterPair;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingEventTriggerData {
            data: UnsignedInt64AsBase10;
            priority: SignedInt64AsBase10;
            dedupKey?: UnsignedInt64AsBase10;
            filters: AttributionReportingFilterPair;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingAggregatableTriggerData {
            keyPiece: UnsignedInt128AsBase16;
            sourceKeys: string[];
            filters: AttributionReportingFilterPair;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingAggregatableDedupKey {
            dedupKey?: UnsignedInt64AsBase10;
            filters: AttributionReportingFilterPair;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingNamedBudgetCandidate {
            name?: string;
            filters: AttributionReportingFilterPair;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingTriggerRegistration {
            filters: AttributionReportingFilterPair;
            debugKey?: UnsignedInt64AsBase10;
            aggregatableDedupKeys: AttributionReportingAggregatableDedupKey[];
            eventTriggerData: AttributionReportingEventTriggerData[];
            aggregatableTriggerData: AttributionReportingAggregatableTriggerData[];
            aggregatableValues: AttributionReportingAggregatableValueEntry[];
            aggregatableFilteringIdMaxBytes: integer;
            debugReporting: boolean;
            aggregationCoordinatorOrigin?: string;
            sourceRegistrationTimeConfig: AttributionReportingSourceRegistrationTimeConfig;
            triggerContextId?: string;
            aggregatableDebugReportingConfig: AttributionReportingAggregatableDebugReportingConfig;
            scopes: string[];
            namedBudgets: AttributionReportingNamedBudgetCandidate[];
        }

        /**
         * @experimental
         */
        export type AttributionReportingEventLevelResult = ('success' | 'successDroppedLowerPriority' | 'internalError' | 'noCapacityForAttributionDestination' | 'noMatchingSources' | 'deduplicated' | 'excessiveAttributions' | 'priorityTooLow' | 'neverAttributedSource' | 'excessiveReportingOrigins' | 'noMatchingSourceFilterData' | 'prohibitedByBrowserPolicy' | 'noMatchingConfigurations' | 'excessiveReports' | 'falselyAttributedSource' | 'reportWindowPassed' | 'notRegistered' | 'reportWindowNotStarted' | 'noMatchingTriggerData');

        /**
         * @experimental
         */
        export type AttributionReportingAggregatableResult = ('success' | 'internalError' | 'noCapacityForAttributionDestination' | 'noMatchingSources' | 'excessiveAttributions' | 'excessiveReportingOrigins' | 'noHistograms' | 'insufficientBudget' | 'insufficientNamedBudget' | 'noMatchingSourceFilterData' | 'notRegistered' | 'prohibitedByBrowserPolicy' | 'deduplicated' | 'reportWindowPassed' | 'excessiveReports');

        /**
         * @experimental
         */
        export type AttributionReportingReportResult = ('sent' | 'prohibited' | 'failedToAssemble' | 'expired');

        /**
         * A single Related Website Set object.
         * @experimental
         */
        export interface RelatedWebsiteSet {
            /**
             * The primary site of this set, along with the ccTLDs if there is any.
             */
            primarySites: string[];
            /**
             * The associated sites of this set, along with the ccTLDs if there is any.
             */
            associatedSites: string[];
            /**
             * The service sites of this set, along with the ccTLDs if there is any.
             */
            serviceSites: string[];
        }

        export interface GetStorageKeyForFrameRequest {
            frameId: Page.FrameId;
        }

        export interface GetStorageKeyForFrameResponse {
            storageKey: SerializedStorageKey;
        }

        export interface GetStorageKeyRequest {
            frameId?: Page.FrameId;
        }

        export interface GetStorageKeyResponse {
            storageKey: SerializedStorageKey;
        }

        export interface ClearDataForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
            /**
             * Comma separated list of StorageType to clear.
             */
            storageTypes: string;
        }

        export interface ClearDataForStorageKeyRequest {
            /**
             * Storage key.
             */
            storageKey: string;
            /**
             * Comma separated list of StorageType to clear.
             */
            storageTypes: string;
        }

        export interface GetCookiesRequest {
            /**
             * Browser context to use when called on the browser endpoint.
             */
            browserContextId?: Browser.BrowserContextID;
        }

        export interface GetCookiesResponse {
            /**
             * Array of cookie objects.
             */
            cookies: Network.Cookie[];
        }

        export interface SetCookiesRequest {
            /**
             * Cookies to be set.
             */
            cookies: Network.CookieParam[];
            /**
             * Browser context to use when called on the browser endpoint.
             */
            browserContextId?: Browser.BrowserContextID;
        }

        export interface ClearCookiesRequest {
            /**
             * Browser context to use when called on the browser endpoint.
             */
            browserContextId?: Browser.BrowserContextID;
        }

        export interface GetUsageAndQuotaRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface GetUsageAndQuotaResponse {
            /**
             * Storage usage (bytes).
             */
            usage: number;
            /**
             * Storage quota (bytes).
             */
            quota: number;
            /**
             * Whether or not the origin has an active storage quota override
             */
            overrideActive: boolean;
            /**
             * Storage usage per type (bytes).
             */
            usageBreakdown: UsageForType[];
        }

        export interface OverrideQuotaForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
            /**
             * The quota size (in bytes) to override the original quota with.
             * If this is called multiple times, the overridden quota will be equal to
             * the quotaSize provided in the final call. If this is called without
             * specifying a quotaSize, the quota will be reset to the default value for
             * the specified origin. If this is called multiple times with different
             * origins, the override will be maintained for each origin until it is
             * disabled (called without a quotaSize).
             */
            quotaSize?: number;
        }

        export interface TrackCacheStorageForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface TrackCacheStorageForStorageKeyRequest {
            /**
             * Storage key.
             */
            storageKey: string;
        }

        export interface TrackIndexedDBForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface TrackIndexedDBForStorageKeyRequest {
            /**
             * Storage key.
             */
            storageKey: string;
        }

        export interface UntrackCacheStorageForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface UntrackCacheStorageForStorageKeyRequest {
            /**
             * Storage key.
             */
            storageKey: string;
        }

        export interface UntrackIndexedDBForOriginRequest {
            /**
             * Security origin.
             */
            origin: string;
        }

        export interface UntrackIndexedDBForStorageKeyRequest {
            /**
             * Storage key.
             */
            storageKey: string;
        }

        export interface GetTrustTokensResponse {
            tokens: TrustTokens[];
        }

        export interface ClearTrustTokensRequest {
            issuerOrigin: string;
        }

        export interface ClearTrustTokensResponse {
            /**
             * True if any tokens were deleted, false otherwise.
             */
            didDeleteTokens: boolean;
        }

        export interface GetInterestGroupDetailsRequest {
            ownerOrigin: string;
            name: string;
        }

        export interface GetInterestGroupDetailsResponse {
            /**
             * This largely corresponds to:
             * https://wicg.github.io/turtledove/#dictdef-generatebidinterestgroup
             * but has absolute expirationTime instead of relative lifetimeMs and
             * also adds joiningOrigin.
             */
            details: any;
        }

        export interface SetInterestGroupTrackingRequest {
            enable: boolean;
        }

        export interface SetInterestGroupAuctionTrackingRequest {
            enable: boolean;
        }

        export interface GetSharedStorageMetadataRequest {
            ownerOrigin: string;
        }

        export interface GetSharedStorageMetadataResponse {
            metadata: SharedStorageMetadata;
        }

        export interface GetSharedStorageEntriesRequest {
            ownerOrigin: string;
        }

        export interface GetSharedStorageEntriesResponse {
            entries: SharedStorageEntry[];
        }

        export interface SetSharedStorageEntryRequest {
            ownerOrigin: string;
            key: string;
            value: string;
            /**
             * If `ignoreIfPresent` is included and true, then only sets the entry if
             * `key` doesn't already exist.
             */
            ignoreIfPresent?: boolean;
        }

        export interface DeleteSharedStorageEntryRequest {
            ownerOrigin: string;
            key: string;
        }

        export interface ClearSharedStorageEntriesRequest {
            ownerOrigin: string;
        }

        export interface ResetSharedStorageBudgetRequest {
            ownerOrigin: string;
        }

        export interface SetSharedStorageTrackingRequest {
            enable: boolean;
        }

        export interface SetStorageBucketTrackingRequest {
            storageKey: string;
            enable: boolean;
        }

        export interface DeleteStorageBucketRequest {
            bucket: StorageBucket;
        }

        export interface RunBounceTrackingMitigationsResponse {
            deletedSites: string[];
        }

        export interface SetAttributionReportingLocalTestingModeRequest {
            /**
             * If enabled, noise is suppressed and reports are sent immediately.
             */
            enabled: boolean;
        }

        export interface SetAttributionReportingTrackingRequest {
            enable: boolean;
        }

        export interface SendPendingAttributionReportsResponse {
            /**
             * The number of reports that were sent.
             */
            numSent: integer;
        }

        export interface GetRelatedWebsiteSetsResponse {
            sets: RelatedWebsiteSet[];
        }

        export interface GetAffectedUrlsForThirdPartyCookieMetadataRequest {
            /**
             * The URL of the page currently being visited.
             */
            firstPartyUrl: string;
            /**
             * The list of embedded resource URLs from the page.
             */
            thirdPartyUrls: string[];
        }

        export interface GetAffectedUrlsForThirdPartyCookieMetadataResponse {
            /**
             * Array of matching URLs. If there is a primary pattern match for the first-
             * party URL, only the first-party URL is returned in the array.
             */
            matchedUrls: string[];
        }

        export interface SetProtectedAudienceKAnonymityRequest {
            owner: string;
            name: string;
            hashes: string[];
        }

        /**
         * A cache's contents have been modified.
         */
        export interface CacheStorageContentUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
            /**
             * Storage key to update.
             */
            storageKey: string;
            /**
             * Storage bucket to update.
             */
            bucketId: string;
            /**
             * Name of cache in origin.
             */
            cacheName: string;
        }

        /**
         * A cache has been added/deleted.
         */
        export interface CacheStorageListUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
            /**
             * Storage key to update.
             */
            storageKey: string;
            /**
             * Storage bucket to update.
             */
            bucketId: string;
        }

        /**
         * The origin's IndexedDB object store has been modified.
         */
        export interface IndexedDBContentUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
            /**
             * Storage key to update.
             */
            storageKey: string;
            /**
             * Storage bucket to update.
             */
            bucketId: string;
            /**
             * Database to update.
             */
            databaseName: string;
            /**
             * ObjectStore to update.
             */
            objectStoreName: string;
        }

        /**
         * The origin's IndexedDB database list has been modified.
         */
        export interface IndexedDBListUpdatedEvent {
            /**
             * Origin to update.
             */
            origin: string;
            /**
             * Storage key to update.
             */
            storageKey: string;
            /**
             * Storage bucket to update.
             */
            bucketId: string;
        }

        /**
         * One of the interest groups was accessed. Note that these events are global
         * to all targets sharing an interest group store.
         */
        export interface InterestGroupAccessedEvent {
            accessTime: Network.TimeSinceEpoch;
            type: InterestGroupAccessType;
            ownerOrigin: string;
            name: string;
            /**
             * For topLevelBid/topLevelAdditionalBid, and when appropriate,
             * win and additionalBidWin
             */
            componentSellerOrigin?: string;
            /**
             * For bid or somethingBid event, if done locally and not on a server.
             */
            bid?: number;
            bidCurrency?: string;
            /**
             * For non-global events --- links to interestGroupAuctionEvent
             */
            uniqueAuctionId?: InterestGroupAuctionId;
        }

        /**
         * An auction involving interest groups is taking place. These events are
         * target-specific.
         */
        export interface InterestGroupAuctionEventOccurredEvent {
            eventTime: Network.TimeSinceEpoch;
            type: InterestGroupAuctionEventType;
            uniqueAuctionId: InterestGroupAuctionId;
            /**
             * Set for child auctions.
             */
            parentAuctionId?: InterestGroupAuctionId;
            /**
             * Set for started and configResolved
             */
            auctionConfig?: any;
        }

        /**
         * Specifies which auctions a particular network fetch may be related to, and
         * in what role. Note that it is not ordered with respect to
         * Network.requestWillBeSent (but will happen before loadingFinished
         * loadingFailed).
         */
        export interface InterestGroupAuctionNetworkRequestCreatedEvent {
            type: InterestGroupAuctionFetchType;
            requestId: Network.RequestId;
            /**
             * This is the set of the auctions using the worklet that issued this
             * request.  In the case of trusted signals, it's possible that only some of
             * them actually care about the keys being queried.
             */
            auctions: InterestGroupAuctionId[];
        }

        /**
         * Shared storage was accessed by the associated page.
         * The following parameters are included in all events.
         */
        export interface SharedStorageAccessedEvent {
            /**
             * Time of the access.
             */
            accessTime: Network.TimeSinceEpoch;
            /**
             * Enum value indicating the access scope.
             */
            scope: SharedStorageAccessScope;
            /**
             * Enum value indicating the Shared Storage API method invoked.
             */
            method: SharedStorageAccessMethod;
            /**
             * DevTools Frame Token for the primary frame tree's root.
             */
            mainFrameId: Page.FrameId;
            /**
             * Serialization of the origin owning the Shared Storage data.
             */
            ownerOrigin: string;
            /**
             * Serialization of the site owning the Shared Storage data.
             */
            ownerSite: string;
            /**
             * The sub-parameters wrapped by `params` are all optional and their
             * presence/absence depends on `type`.
             */
            params: SharedStorageAccessParams;
        }

        /**
         * A shared storage run or selectURL operation finished its execution.
         * The following parameters are included in all events.
         */
        export interface SharedStorageWorkletOperationExecutionFinishedEvent {
            /**
             * Time that the operation finished.
             */
            finishedTime: Network.TimeSinceEpoch;
            /**
             * Time, in microseconds, from start of shared storage JS API call until
             * end of operation execution in the worklet.
             */
            executionTime: integer;
            /**
             * Enum value indicating the Shared Storage API method invoked.
             */
            method: SharedStorageAccessMethod;
            /**
             * ID of the operation call.
             */
            operationId: string;
            /**
             * Hex representation of the DevTools token used as the TargetID for the
             * associated shared storage worklet.
             */
            workletTargetId: Target.TargetID;
            /**
             * DevTools Frame Token for the primary frame tree's root.
             */
            mainFrameId: Page.FrameId;
            /**
             * Serialization of the origin owning the Shared Storage data.
             */
            ownerOrigin: string;
        }

        export interface StorageBucketCreatedOrUpdatedEvent {
            bucketInfo: StorageBucketInfo;
        }

        export interface StorageBucketDeletedEvent {
            bucketId: string;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingSourceRegisteredEvent {
            registration: AttributionReportingSourceRegistration;
            result: AttributionReportingSourceRegistrationResult;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingTriggerRegisteredEvent {
            registration: AttributionReportingTriggerRegistration;
            eventLevel: AttributionReportingEventLevelResult;
            aggregatable: AttributionReportingAggregatableResult;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingReportSentEvent {
            url: string;
            body: any;
            result: AttributionReportingReportResult;
            /**
             * If result is `sent`, populated with net/HTTP status.
             */
            netError?: integer;
            netErrorName?: string;
            httpStatusCode?: integer;
        }

        /**
         * @experimental
         */
        export interface AttributionReportingVerboseDebugReportSentEvent {
            url: string;
            body?: any[];
            netError?: integer;
            netErrorName?: string;
            httpStatusCode?: integer;
        }
    }

    /**
     * The SystemInfo domain defines methods and events for querying low-level system information.
     * @experimental
     */
    export namespace SystemInfo {

        /**
         * Describes a single graphics processor (GPU).
         */
        export interface GPUDevice {
            /**
             * PCI ID of the GPU vendor, if available; 0 otherwise.
             */
            vendorId: number;
            /**
             * PCI ID of the GPU device, if available; 0 otherwise.
             */
            deviceId: number;
            /**
             * Sub sys ID of the GPU, only available on Windows.
             */
            subSysId?: number;
            /**
             * Revision of the GPU, only available on Windows.
             */
            revision?: number;
            /**
             * String description of the GPU vendor, if the PCI ID is not available.
             */
            vendorString: string;
            /**
             * String description of the GPU device, if the PCI ID is not available.
             */
            deviceString: string;
            /**
             * String description of the GPU driver vendor.
             */
            driverVendor: string;
            /**
             * String description of the GPU driver version.
             */
            driverVersion: string;
        }

        /**
         * Describes the width and height dimensions of an entity.
         */
        export interface Size {
            /**
             * Width in pixels.
             */
            width: integer;
            /**
             * Height in pixels.
             */
            height: integer;
        }

        /**
         * Describes a supported video decoding profile with its associated minimum and
         * maximum resolutions.
         */
        export interface VideoDecodeAcceleratorCapability {
            /**
             * Video codec profile that is supported, e.g. VP9 Profile 2.
             */
            profile: string;
            /**
             * Maximum video dimensions in pixels supported for this |profile|.
             */
            maxResolution: Size;
            /**
             * Minimum video dimensions in pixels supported for this |profile|.
             */
            minResolution: Size;
        }

        /**
         * Describes a supported video encoding profile with its associated maximum
         * resolution and maximum framerate.
         */
        export interface VideoEncodeAcceleratorCapability {
            /**
             * Video codec profile that is supported, e.g H264 Main.
             */
            profile: string;
            /**
             * Maximum video dimensions in pixels supported for this |profile|.
             */
            maxResolution: Size;
            /**
             * Maximum encoding framerate in frames per second supported for this
             * |profile|, as fraction's numerator and denominator, e.g. 24/1 fps,
             * 24000/1001 fps, etc.
             */
            maxFramerateNumerator: integer;
            maxFramerateDenominator: integer;
        }

        /**
         * YUV subsampling type of the pixels of a given image.
         */
        export type SubsamplingFormat = ('yuv420' | 'yuv422' | 'yuv444');

        /**
         * Image format of a given image.
         */
        export type ImageType = ('jpeg' | 'webp' | 'unknown');

        /**
         * Describes a supported image decoding profile with its associated minimum and
         * maximum resolutions and subsampling.
         */
        export interface ImageDecodeAcceleratorCapability {
            /**
             * Image coded, e.g. Jpeg.
             */
            imageType: ImageType;
            /**
             * Maximum supported dimensions of the image in pixels.
             */
            maxDimensions: Size;
            /**
             * Minimum supported dimensions of the image in pixels.
             */
            minDimensions: Size;
            /**
             * Optional array of supported subsampling formats, e.g. 4:2:0, if known.
             */
            subsamplings: SubsamplingFormat[];
        }

        /**
         * Provides information about the GPU(s) on the system.
         */
        export interface GPUInfo {
            /**
             * The graphics devices on the system. Element 0 is the primary GPU.
             */
            devices: GPUDevice[];
            /**
             * An optional dictionary of additional GPU related attributes.
             */
            auxAttributes?: any;
            /**
             * An optional dictionary of graphics features and their status.
             */
            featureStatus?: any;
            /**
             * An optional array of GPU driver bug workarounds.
             */
            driverBugWorkarounds: string[];
            /**
             * Supported accelerated video decoding capabilities.
             */
            videoDecoding: VideoDecodeAcceleratorCapability[];
            /**
             * Supported accelerated video encoding capabilities.
             */
            videoEncoding: VideoEncodeAcceleratorCapability[];
            /**
             * Supported accelerated image decoding capabilities.
             */
            imageDecoding: ImageDecodeAcceleratorCapability[];
        }

        /**
         * Represents process info.
         */
        export interface ProcessInfo {
            /**
             * Specifies process type.
             */
            type: string;
            /**
             * Specifies process id.
             */
            id: integer;
            /**
             * Specifies cumulative CPU usage in seconds across all threads of the
             * process since the process start.
             */
            cpuTime: number;
        }

        export interface GetInfoResponse {
            /**
             * Information about the GPUs on the system.
             */
            gpu: GPUInfo;
            /**
             * A platform-dependent description of the model of the machine. On Mac OS, this is, for
             * example, 'MacBookPro'. Will be the empty string if not supported.
             */
            modelName: string;
            /**
             * A platform-dependent description of the version of the machine. On Mac OS, this is, for
             * example, '10.1'. Will be the empty string if not supported.
             */
            modelVersion: string;
            /**
             * The command line string used to launch the browser. Will be the empty string if not
             * supported.
             */
            commandLine: string;
        }

        export interface GetFeatureStateRequest {
            featureState: string;
        }

        export interface GetFeatureStateResponse {
            featureEnabled: boolean;
        }

        export interface GetProcessInfoResponse {
            /**
             * An array of process info blocks.
             */
            processInfo: ProcessInfo[];
        }
    }

    /**
     * Supports additional targets discovery and allows to attach to them.
     */
    export namespace Target {

        export type TargetID = string;

        /**
         * Unique identifier of attached debugging session.
         */
        export type SessionID = string;

        export interface TargetInfo {
            targetId: TargetID;
            /**
             * List of types: https://source.chromium.org/chromium/chromium/src/+/main:content/browser/devtools/devtools_agent_host_impl.cc?ss=chromium&q=f:devtools%20-f:out%20%22::kTypeTab%5B%5D%22
             */
            type: string;
            title: string;
            url: string;
            /**
             * Whether the target has an attached client.
             */
            attached: boolean;
            /**
             * Opener target Id
             */
            openerId?: TargetID;
            /**
             * Whether the target has access to the originating window.
             * @experimental
             */
            canAccessOpener: boolean;
            /**
             * Frame id of originating window (is only set if target has an opener).
             * @experimental
             */
            openerFrameId?: Page.FrameId;
            /**
             * Id of the parent frame, only present for the "iframe" targets.
             * @experimental
             */
            parentFrameId?: Page.FrameId;
            /**
             * @experimental
             */
            browserContextId?: Browser.BrowserContextID;
            /**
             * Provides additional details for specific target types. For example, for
             * the type of "page", this may be set to "prerender".
             * @experimental
             */
            subtype?: string;
        }

        /**
         * A filter used by target query/discovery/auto-attach operations.
         * @experimental
         */
        export interface FilterEntry {
            /**
             * If set, causes exclusion of matching targets from the list.
             */
            exclude?: boolean;
            /**
             * If not present, matches any type.
             */
            type?: string;
        }

        /**
         * The entries in TargetFilter are matched sequentially against targets and
         * the first entry that matches determines if the target is included or not,
         * depending on the value of `exclude` field in the entry.
         * If filter is not specified, the one assumed is
         * [{type: "browser", exclude: true}, {type: "tab", exclude: true}, {}]
         * (i.e. include everything but `browser` and `tab`).
         * @experimental
         */
        export type TargetFilter = FilterEntry[];

        /**
         * @experimental
         */
        export interface RemoteLocation {
            host: string;
            port: integer;
        }

        /**
         * The state of the target window.
         * @experimental
         */
        export type WindowState = ('normal' | 'minimized' | 'maximized' | 'fullscreen');

        export interface ActivateTargetRequest {
            targetId: TargetID;
        }

        export interface AttachToTargetRequest {
            targetId: TargetID;
            /**
             * Enables "flat" access to the session via specifying sessionId attribute in the commands.
             * We plan to make this the default, deprecate non-flattened mode,
             * and eventually retire it. See crbug.com/991325.
             */
            flatten?: boolean;
        }

        export interface AttachToTargetResponse {
            /**
             * Id assigned to the session.
             */
            sessionId: SessionID;
        }

        export interface AttachToBrowserTargetResponse {
            /**
             * Id assigned to the session.
             */
            sessionId: SessionID;
        }

        export interface CloseTargetRequest {
            targetId: TargetID;
        }

        export interface CloseTargetResponse {
            /**
             * Always set to true. If an error occurs, the response indicates protocol error.
             * @deprecated
             */
            success: boolean;
        }

        export interface ExposeDevToolsProtocolRequest {
            targetId: TargetID;
            /**
             * Binding name, 'cdp' if not specified.
             */
            bindingName?: string;
            /**
             * If true, inherits the current root session's permissions (default: false).
             */
            inheritPermissions?: boolean;
        }

        export interface CreateBrowserContextRequest {
            /**
             * If specified, disposes this context when debugging session disconnects.
             * @experimental
             */
            disposeOnDetach?: boolean;
            /**
             * Proxy server, similar to the one passed to --proxy-server
             * @experimental
             */
            proxyServer?: string;
            /**
             * Proxy bypass list, similar to the one passed to --proxy-bypass-list
             * @experimental
             */
            proxyBypassList?: string;
            /**
             * An optional list of origins to grant unlimited cross-origin access to.
             * Parts of the URL other than those constituting origin are ignored.
             * @experimental
             */
            originsWithUniversalNetworkAccess?: string[];
        }

        export interface CreateBrowserContextResponse {
            /**
             * The id of the context created.
             */
            browserContextId: Browser.BrowserContextID;
        }

        export interface GetBrowserContextsResponse {
            /**
             * An array of browser context ids.
             */
            browserContextIds: Browser.BrowserContextID[];
        }

        export interface CreateTargetRequest {
            /**
             * The initial URL the page will be navigated to. An empty string indicates about:blank.
             */
            url: string;
            /**
             * Frame left origin in DIP (requires newWindow to be true or headless shell).
             * @experimental
             */
            left?: integer;
            /**
             * Frame top origin in DIP (requires newWindow to be true or headless shell).
             * @experimental
             */
            top?: integer;
            /**
             * Frame width in DIP (requires newWindow to be true or headless shell).
             */
            width?: integer;
            /**
             * Frame height in DIP (requires newWindow to be true or headless shell).
             */
            height?: integer;
            /**
             * Frame window state (requires newWindow to be true or headless shell).
             * Default is normal.
             */
            windowState?: WindowState;
            /**
             * The browser context to create the page in.
             * @experimental
             */
            browserContextId?: Browser.BrowserContextID;
            /**
             * Whether BeginFrames for this target will be controlled via DevTools (headless shell only,
             * not supported on MacOS yet, false by default).
             * @experimental
             */
            enableBeginFrameControl?: boolean;
            /**
             * Whether to create a new Window or Tab (false by default, not supported by headless shell).
             */
            newWindow?: boolean;
            /**
             * Whether to create the target in background or foreground (false by default, not supported
             * by headless shell).
             */
            background?: boolean;
            /**
             * Whether to create the target of type "tab".
             * @experimental
             */
            forTab?: boolean;
            /**
             * Whether to create a hidden target. The hidden target is observable via protocol, but not
             * present in the tab UI strip. Cannot be created with `forTab: true`, `newWindow: true` or
             * `background: false`. The life-time of the tab is limited to the life-time of the session.
             * @experimental
             */
            hidden?: boolean;
        }

        export interface CreateTargetResponse {
            /**
             * The id of the page opened.
             */
            targetId: TargetID;
        }

        export interface DetachFromTargetRequest {
            /**
             * Session to detach.
             */
            sessionId?: SessionID;
            /**
             * Deprecated.
             * @deprecated
             */
            targetId?: TargetID;
        }

        export interface DisposeBrowserContextRequest {
            browserContextId: Browser.BrowserContextID;
        }

        export interface GetTargetInfoRequest {
            targetId?: TargetID;
        }

        export interface GetTargetInfoResponse {
            targetInfo: TargetInfo;
        }

        export interface GetTargetsRequest {
            /**
             * Only targets matching filter will be reported. If filter is not specified
             * and target discovery is currently enabled, a filter used for target discovery
             * is used for consistency.
             * @experimental
             */
            filter?: TargetFilter;
        }

        export interface GetTargetsResponse {
            /**
             * The list of targets.
             */
            targetInfos: TargetInfo[];
        }

        export interface SendMessageToTargetRequest {
            message: string;
            /**
             * Identifier of the session.
             */
            sessionId?: SessionID;
            /**
             * Deprecated.
             * @deprecated
             */
            targetId?: TargetID;
        }

        export interface SetAutoAttachRequest {
            /**
             * Whether to auto-attach to related targets.
             */
            autoAttach: boolean;
            /**
             * Whether to pause new targets when attaching to them. Use `Runtime.runIfWaitingForDebugger`
             * to run paused targets.
             */
            waitForDebuggerOnStart: boolean;
            /**
             * Enables "flat" access to the session via specifying sessionId attribute in the commands.
             * We plan to make this the default, deprecate non-flattened mode,
             * and eventually retire it. See crbug.com/991325.
             * @experimental
             */
            flatten?: boolean;
            /**
             * Only targets matching filter will be attached.
             * @experimental
             */
            filter?: TargetFilter;
        }

        export interface AutoAttachRelatedRequest {
            targetId: TargetID;
            /**
             * Whether to pause new targets when attaching to them. Use `Runtime.runIfWaitingForDebugger`
             * to run paused targets.
             */
            waitForDebuggerOnStart: boolean;
            /**
             * Only targets matching filter will be attached.
             * @experimental
             */
            filter?: TargetFilter;
        }

        export interface SetDiscoverTargetsRequest {
            /**
             * Whether to discover available targets.
             */
            discover: boolean;
            /**
             * Only targets matching filter will be attached. If `discover` is false,
             * `filter` must be omitted or empty.
             * @experimental
             */
            filter?: TargetFilter;
        }

        export interface SetRemoteLocationsRequest {
            /**
             * List of remote locations.
             */
            locations: RemoteLocation[];
        }

        export interface OpenDevToolsRequest {
            /**
             * This can be the page or tab target ID.
             */
            targetId: TargetID;
        }

        export interface OpenDevToolsResponse {
            /**
             * The targetId of DevTools page target.
             */
            targetId: TargetID;
        }

        /**
         * Issued when attached to target because of auto-attach or `attachToTarget` command.
         * @experimental
         */
        export interface AttachedToTargetEvent {
            /**
             * Identifier assigned to the session used to send/receive messages.
             */
            sessionId: SessionID;
            targetInfo: TargetInfo;
            waitingForDebugger: boolean;
        }

        /**
         * Issued when detached from target for any reason (including `detachFromTarget` command). Can be
         * issued multiple times per target if multiple sessions have been attached to it.
         * @experimental
         */
        export interface DetachedFromTargetEvent {
            /**
             * Detached session identifier.
             */
            sessionId: SessionID;
            /**
             * Deprecated.
             * @deprecated
             */
            targetId?: TargetID;
        }

        /**
         * Notifies about a new protocol message received from the session (as reported in
         * `attachedToTarget` event).
         */
        export interface ReceivedMessageFromTargetEvent {
            /**
             * Identifier of a session which sends a message.
             */
            sessionId: SessionID;
            message: string;
            /**
             * Deprecated.
             * @deprecated
             */
            targetId?: TargetID;
        }

        /**
         * Issued when a possible inspection target is created.
         */
        export interface TargetCreatedEvent {
            targetInfo: TargetInfo;
        }

        /**
         * Issued when a target is destroyed.
         */
        export interface TargetDestroyedEvent {
            targetId: TargetID;
        }

        /**
         * Issued when a target has crashed.
         */
        export interface TargetCrashedEvent {
            targetId: TargetID;
            /**
             * Termination status type.
             */
            status: string;
            /**
             * Termination error code.
             */
            errorCode: integer;
        }

        /**
         * Issued when some information about a target has changed. This only happens between
         * `targetCreated` and `targetDestroyed`.
         */
        export interface TargetInfoChangedEvent {
            targetInfo: TargetInfo;
        }
    }

    /**
     * The Tethering domain defines methods and events for browser port binding.
     * @experimental
     */
    export namespace Tethering {

        export interface BindRequest {
            /**
             * Port number to bind.
             */
            port: integer;
        }

        export interface UnbindRequest {
            /**
             * Port number to unbind.
             */
            port: integer;
        }

        /**
         * Informs that port was successfully bound and got a specified connection id.
         */
        export interface AcceptedEvent {
            /**
             * Port number that was successfully bound.
             */
            port: integer;
            /**
             * Connection id to be used.
             */
            connectionId: string;
        }
    }

    export namespace Tracing {

        /**
         * Configuration for memory dump. Used only when "memory-infra" category is enabled.
         * @experimental
         */
        export interface MemoryDumpConfig {
            [key: string]: string;
        }

        export const enum TraceConfigRecordMode {
            RecordUntilFull = 'recordUntilFull',
            RecordContinuously = 'recordContinuously',
            RecordAsMuchAsPossible = 'recordAsMuchAsPossible',
            EchoToConsole = 'echoToConsole',
        }

        export interface TraceConfig {
            /**
             * Controls how the trace buffer stores data. The default is `recordUntilFull`.
             * @experimental
             */
            recordMode?: ('recordUntilFull' | 'recordContinuously' | 'recordAsMuchAsPossible' | 'echoToConsole');
            /**
             * Size of the trace buffer in kilobytes. If not specified or zero is passed, a default value
             * of 200 MB would be used.
             * @experimental
             */
            traceBufferSizeInKb?: number;
            /**
             * Turns on JavaScript stack sampling.
             * @experimental
             */
            enableSampling?: boolean;
            /**
             * Turns on system tracing.
             * @experimental
             */
            enableSystrace?: boolean;
            /**
             * Turns on argument filter.
             * @experimental
             */
            enableArgumentFilter?: boolean;
            /**
             * Included category filters.
             */
            includedCategories?: string[];
            /**
             * Excluded category filters.
             */
            excludedCategories?: string[];
            /**
             * Configuration to synthesize the delays in tracing.
             * @experimental
             */
            syntheticDelays?: string[];
            /**
             * Configuration for memory dump triggers. Used only when "memory-infra" category is enabled.
             * @experimental
             */
            memoryDumpConfig?: MemoryDumpConfig;
        }

        /**
         * Data format of a trace. Can be either the legacy JSON format or the
         * protocol buffer format. Note that the JSON format will be deprecated soon.
         * @experimental
         */
        export type StreamFormat = ('json' | 'proto');

        /**
         * Compression type to use for traces returned via streams.
         * @experimental
         */
        export type StreamCompression = ('none' | 'gzip');

        /**
         * Details exposed when memory request explicitly declared.
         * Keep consistent with memory_dump_request_args.h and
         * memory_instrumentation.mojom
         * @experimental
         */
        export type MemoryDumpLevelOfDetail = ('background' | 'light' | 'detailed');

        /**
         * Backend type to use for tracing. `chrome` uses the Chrome-integrated
         * tracing service and is supported on all platforms. `system` is only
         * supported on Chrome OS and uses the Perfetto system tracing service.
         * `auto` chooses `system` when the perfettoConfig provided to Tracing.start
         * specifies at least one non-Chrome data source; otherwise uses `chrome`.
         * @experimental
         */
        export type TracingBackend = ('auto' | 'chrome' | 'system');

        export interface GetCategoriesResponse {
            /**
             * A list of supported tracing categories.
             */
            categories: string[];
        }

        export interface RecordClockSyncMarkerRequest {
            /**
             * The ID of this clock sync marker
             */
            syncId: string;
        }

        export interface RequestMemoryDumpRequest {
            /**
             * Enables more deterministic results by forcing garbage collection
             */
            deterministic?: boolean;
            /**
             * Specifies level of details in memory dump. Defaults to "detailed".
             */
            levelOfDetail?: MemoryDumpLevelOfDetail;
        }

        export interface RequestMemoryDumpResponse {
            /**
             * GUID of the resulting global memory dump.
             */
            dumpGuid: string;
            /**
             * True iff the global memory dump succeeded.
             */
            success: boolean;
        }

        export const enum StartRequestTransferMode {
            ReportEvents = 'ReportEvents',
            ReturnAsStream = 'ReturnAsStream',
        }

        export interface StartRequest {
            /**
             * Category/tag filter
             * @deprecated
             * @experimental
             */
            categories?: string;
            /**
             * Tracing options
             * @deprecated
             * @experimental
             */
            options?: string;
            /**
             * If set, the agent will issue bufferUsage events at this interval, specified in milliseconds
             * @experimental
             */
            bufferUsageReportingInterval?: number;
            /**
             * Whether to report trace events as series of dataCollected events or to save trace to a
             * stream (defaults to `ReportEvents`).
             */
            transferMode?: ('ReportEvents' | 'ReturnAsStream');
            /**
             * Trace data format to use. This only applies when using `ReturnAsStream`
             * transfer mode (defaults to `json`).
             */
            streamFormat?: StreamFormat;
            /**
             * Compression format to use. This only applies when using `ReturnAsStream`
             * transfer mode (defaults to `none`)
             * @experimental
             */
            streamCompression?: StreamCompression;
            traceConfig?: TraceConfig;
            /**
             * Base64-encoded serialized perfetto.protos.TraceConfig protobuf message
             * When specified, the parameters `categories`, `options`, `traceConfig`
             * are ignored. (Encoded as a base64 string when passed over JSON)
             * @experimental
             */
            perfettoConfig?: string;
            /**
             * Backend type (defaults to `auto`)
             * @experimental
             */
            tracingBackend?: TracingBackend;
        }

        /**
         * @experimental
         */
        export interface BufferUsageEvent {
            /**
             * A number in range [0..1] that indicates the used size of event buffer as a fraction of its
             * total size.
             */
            percentFull?: number;
            /**
             * An approximate number of events in the trace log.
             */
            eventCount?: number;
            /**
             * A number in range [0..1] that indicates the used size of event buffer as a fraction of its
             * total size.
             */
            value?: number;
        }

        /**
         * Contains a bucket of collected trace events. When tracing is stopped collected events will be
         * sent as a sequence of dataCollected events followed by tracingComplete event.
         * @experimental
         */
        export interface DataCollectedEvent {
            value: any[];
        }

        /**
         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
         * delivered via dataCollected events.
         */
        export interface TracingCompleteEvent {
            /**
             * Indicates whether some trace data is known to have been lost, e.g. because the trace ring
             * buffer wrapped around.
             */
            dataLossOccurred: boolean;
            /**
             * A handle of the stream that holds resulting trace data.
             */
            stream?: IO.StreamHandle;
            /**
             * Trace data format of returned stream.
             */
            traceFormat?: StreamFormat;
            /**
             * Compression format of returned stream.
             */
            streamCompression?: StreamCompression;
        }
    }

    /**
     * This domain allows inspection of Web Audio API.
     * https://webaudio.github.io/web-audio-api/
     * @experimental
     */
    export namespace WebAudio {

        /**
         * An unique ID for a graph object (AudioContext, AudioNode, AudioParam) in Web Audio API
         */
        export type GraphObjectId = string;

        /**
         * Enum of BaseAudioContext types
         */
        export type ContextType = ('realtime' | 'offline');

        /**
         * Enum of AudioContextState from the spec
         */
        export type ContextState = ('suspended' | 'running' | 'closed' | 'interrupted');

        /**
         * Enum of AudioNode types
         */
        export type NodeType = string;

        /**
         * Enum of AudioNode::ChannelCountMode from the spec
         */
        export type ChannelCountMode = ('clamped-max' | 'explicit' | 'max');

        /**
         * Enum of AudioNode::ChannelInterpretation from the spec
         */
        export type ChannelInterpretation = ('discrete' | 'speakers');

        /**
         * Enum of AudioParam types
         */
        export type ParamType = string;

        /**
         * Enum of AudioParam::AutomationRate from the spec
         */
        export type AutomationRate = ('a-rate' | 'k-rate');

        /**
         * Fields in AudioContext that change in real-time.
         */
        export interface ContextRealtimeData {
            /**
             * The current context time in second in BaseAudioContext.
             */
            currentTime: number;
            /**
             * The time spent on rendering graph divided by render quantum duration,
             * and multiplied by 100. 100 means the audio renderer reached the full
             * capacity and glitch may occur.
             */
            renderCapacity: number;
            /**
             * A running mean of callback interval.
             */
            callbackIntervalMean: number;
            /**
             * A running variance of callback interval.
             */
            callbackIntervalVariance: number;
        }

        /**
         * Protocol object for BaseAudioContext
         */
        export interface BaseAudioContext {
            contextId: GraphObjectId;
            contextType: ContextType;
            contextState: ContextState;
            realtimeData?: ContextRealtimeData;
            /**
             * Platform-dependent callback buffer size.
             */
            callbackBufferSize: number;
            /**
             * Number of output channels supported by audio hardware in use.
             */
            maxOutputChannelCount: number;
            /**
             * Context sample rate.
             */
            sampleRate: number;
        }

        /**
         * Protocol object for AudioListener
         */
        export interface AudioListener {
            listenerId: GraphObjectId;
            contextId: GraphObjectId;
        }

        /**
         * Protocol object for AudioNode
         */
        export interface AudioNode {
            nodeId: GraphObjectId;
            contextId: GraphObjectId;
            nodeType: NodeType;
            numberOfInputs: number;
            numberOfOutputs: number;
            channelCount: number;
            channelCountMode: ChannelCountMode;
            channelInterpretation: ChannelInterpretation;
        }

        /**
         * Protocol object for AudioParam
         */
        export interface AudioParam {
            paramId: GraphObjectId;
            nodeId: GraphObjectId;
            contextId: GraphObjectId;
            paramType: ParamType;
            rate: AutomationRate;
            defaultValue: number;
            minValue: number;
            maxValue: number;
        }

        export interface GetRealtimeDataRequest {
            contextId: GraphObjectId;
        }

        export interface GetRealtimeDataResponse {
            realtimeData: ContextRealtimeData;
        }

        /**
         * Notifies that a new BaseAudioContext has been created.
         */
        export interface ContextCreatedEvent {
            context: BaseAudioContext;
        }

        /**
         * Notifies that an existing BaseAudioContext will be destroyed.
         */
        export interface ContextWillBeDestroyedEvent {
            contextId: GraphObjectId;
        }

        /**
         * Notifies that existing BaseAudioContext has changed some properties (id stays the same)..
         */
        export interface ContextChangedEvent {
            context: BaseAudioContext;
        }

        /**
         * Notifies that the construction of an AudioListener has finished.
         */
        export interface AudioListenerCreatedEvent {
            listener: AudioListener;
        }

        /**
         * Notifies that a new AudioListener has been created.
         */
        export interface AudioListenerWillBeDestroyedEvent {
            contextId: GraphObjectId;
            listenerId: GraphObjectId;
        }

        /**
         * Notifies that a new AudioNode has been created.
         */
        export interface AudioNodeCreatedEvent {
            node: AudioNode;
        }

        /**
         * Notifies that an existing AudioNode has been destroyed.
         */
        export interface AudioNodeWillBeDestroyedEvent {
            contextId: GraphObjectId;
            nodeId: GraphObjectId;
        }

        /**
         * Notifies that a new AudioParam has been created.
         */
        export interface AudioParamCreatedEvent {
            param: AudioParam;
        }

        /**
         * Notifies that an existing AudioParam has been destroyed.
         */
        export interface AudioParamWillBeDestroyedEvent {
            contextId: GraphObjectId;
            nodeId: GraphObjectId;
            paramId: GraphObjectId;
        }

        /**
         * Notifies that two AudioNodes are connected.
         */
        export interface NodesConnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
            destinationInputIndex?: number;
        }

        /**
         * Notifies that AudioNodes are disconnected. The destination can be null, and it means all the outgoing connections from the source are disconnected.
         */
        export interface NodesDisconnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
            destinationInputIndex?: number;
        }

        /**
         * Notifies that an AudioNode is connected to an AudioParam.
         */
        export interface NodeParamConnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
        }

        /**
         * Notifies that an AudioNode is disconnected to an AudioParam.
         */
        export interface NodeParamDisconnectedEvent {
            contextId: GraphObjectId;
            sourceId: GraphObjectId;
            destinationId: GraphObjectId;
            sourceOutputIndex?: number;
        }
    }

    /**
     * This domain allows configuring virtual authenticators to test the WebAuthn
     * API.
     * @experimental
     */
    export namespace WebAuthn {

        export type AuthenticatorId = string;

        export type AuthenticatorProtocol = ('u2f' | 'ctap2');

        export type Ctap2Version = ('ctap2_0' | 'ctap2_1');

        export type AuthenticatorTransport = ('usb' | 'nfc' | 'ble' | 'cable' | 'internal');

        export interface VirtualAuthenticatorOptions {
            protocol: AuthenticatorProtocol;
            /**
             * Defaults to ctap2_0. Ignored if |protocol| == u2f.
             */
            ctap2Version?: Ctap2Version;
            transport: AuthenticatorTransport;
            /**
             * Defaults to false.
             */
            hasResidentKey?: boolean;
            /**
             * Defaults to false.
             */
            hasUserVerification?: boolean;
            /**
             * If set to true, the authenticator will support the largeBlob extension.
             * https://w3c.github.io/webauthn#largeBlob
             * Defaults to false.
             */
            hasLargeBlob?: boolean;
            /**
             * If set to true, the authenticator will support the credBlob extension.
             * https://fidoalliance.org/specs/fido-v2.1-rd-20201208/fido-client-to-authenticator-protocol-v2.1-rd-20201208.html#sctn-credBlob-extension
             * Defaults to false.
             */
            hasCredBlob?: boolean;
            /**
             * If set to true, the authenticator will support the minPinLength extension.
             * https://fidoalliance.org/specs/fido-v2.1-ps-20210615/fido-client-to-authenticator-protocol-v2.1-ps-20210615.html#sctn-minpinlength-extension
             * Defaults to false.
             */
            hasMinPinLength?: boolean;
            /**
             * If set to true, the authenticator will support the prf extension.
             * https://w3c.github.io/webauthn/#prf-extension
             * Defaults to false.
             */
            hasPrf?: boolean;
            /**
             * If set to true, tests of user presence will succeed immediately.
             * Otherwise, they will not be resolved. Defaults to true.
             */
            automaticPresenceSimulation?: boolean;
            /**
             * Sets whether User Verification succeeds or fails for an authenticator.
             * Defaults to false.
             */
            isUserVerified?: boolean;
            /**
             * Credentials created by this authenticator will have the backup
             * eligibility (BE) flag set to this value. Defaults to false.
             * https://w3c.github.io/webauthn/#sctn-credential-backup
             */
            defaultBackupEligibility?: boolean;
            /**
             * Credentials created by this authenticator will have the backup state
             * (BS) flag set to this value. Defaults to false.
             * https://w3c.github.io/webauthn/#sctn-credential-backup
             */
            defaultBackupState?: boolean;
        }

        export interface Credential {
            credentialId: string;
            isResidentCredential: boolean;
            /**
             * Relying Party ID the credential is scoped to. Must be set when adding a
             * credential.
             */
            rpId?: string;
            /**
             * The ECDSA P-256 private key in PKCS#8 format. (Encoded as a base64 string when passed over JSON)
             */
            privateKey: string;
            /**
             * An opaque byte sequence with a maximum size of 64 bytes mapping the
             * credential to a specific user. (Encoded as a base64 string when passed over JSON)
             */
            userHandle?: string;
            /**
             * Signature counter. This is incremented by one for each successful
             * assertion.
             * See https://w3c.github.io/webauthn/#signature-counter
             */
            signCount: integer;
            /**
             * The large blob associated with the credential.
             * See https://w3c.github.io/webauthn/#sctn-large-blob-extension (Encoded as a base64 string when passed over JSON)
             */
            largeBlob?: string;
            /**
             * Assertions returned by this credential will have the backup eligibility
             * (BE) flag set to this value. Defaults to the authenticator's
             * defaultBackupEligibility value.
             */
            backupEligibility?: boolean;
            /**
             * Assertions returned by this credential will have the backup state (BS)
             * flag set to this value. Defaults to the authenticator's
             * defaultBackupState value.
             */
            backupState?: boolean;
            /**
             * The credential's user.name property. Equivalent to empty if not set.
             * https://w3c.github.io/webauthn/#dom-publickeycredentialentity-name
             */
            userName?: string;
            /**
             * The credential's user.displayName property. Equivalent to empty if
             * not set.
             * https://w3c.github.io/webauthn/#dom-publickeycredentialuserentity-displayname
             */
            userDisplayName?: string;
        }

        export interface EnableRequest {
            /**
             * Whether to enable the WebAuthn user interface. Enabling the UI is
             * recommended for debugging and demo purposes, as it is closer to the real
             * experience. Disabling the UI is recommended for automated testing.
             * Supported at the embedder's discretion if UI is available.
             * Defaults to false.
             */
            enableUI?: boolean;
        }

        export interface AddVirtualAuthenticatorRequest {
            options: VirtualAuthenticatorOptions;
        }

        export interface AddVirtualAuthenticatorResponse {
            authenticatorId: AuthenticatorId;
        }

        export interface SetResponseOverrideBitsRequest {
            authenticatorId: AuthenticatorId;
            /**
             * If isBogusSignature is set, overrides the signature in the authenticator response to be zero.
             * Defaults to false.
             */
            isBogusSignature?: boolean;
            /**
             * If isBadUV is set, overrides the UV bit in the flags in the authenticator response to
             * be zero. Defaults to false.
             */
            isBadUV?: boolean;
            /**
             * If isBadUP is set, overrides the UP bit in the flags in the authenticator response to
             * be zero. Defaults to false.
             */
            isBadUP?: boolean;
        }

        export interface RemoveVirtualAuthenticatorRequest {
            authenticatorId: AuthenticatorId;
        }

        export interface AddCredentialRequest {
            authenticatorId: AuthenticatorId;
            credential: Credential;
        }

        export interface GetCredentialRequest {
            authenticatorId: AuthenticatorId;
            credentialId: string;
        }

        export interface GetCredentialResponse {
            credential: Credential;
        }

        export interface GetCredentialsRequest {
            authenticatorId: AuthenticatorId;
        }

        export interface GetCredentialsResponse {
            credentials: Credential[];
        }

        export interface RemoveCredentialRequest {
            authenticatorId: AuthenticatorId;
            credentialId: string;
        }

        export interface ClearCredentialsRequest {
            authenticatorId: AuthenticatorId;
        }

        export interface SetUserVerifiedRequest {
            authenticatorId: AuthenticatorId;
            isUserVerified: boolean;
        }

        export interface SetAutomaticPresenceSimulationRequest {
            authenticatorId: AuthenticatorId;
            enabled: boolean;
        }

        export interface SetCredentialPropertiesRequest {
            authenticatorId: AuthenticatorId;
            credentialId: string;
            backupEligibility?: boolean;
            backupState?: boolean;
        }

        /**
         * Triggered when a credential is added to an authenticator.
         */
        export interface CredentialAddedEvent {
            authenticatorId: AuthenticatorId;
            credential: Credential;
        }

        /**
         * Triggered when a credential is deleted, e.g. through
         * PublicKeyCredential.signalUnknownCredential().
         */
        export interface CredentialDeletedEvent {
            authenticatorId: AuthenticatorId;
            credentialId: string;
        }

        /**
         * Triggered when a credential is updated, e.g. through
         * PublicKeyCredential.signalCurrentUserDetails().
         */
        export interface CredentialUpdatedEvent {
            authenticatorId: AuthenticatorId;
            credential: Credential;
        }

        /**
         * Triggered when a credential is used in a webauthn assertion.
         */
        export interface CredentialAssertedEvent {
            authenticatorId: AuthenticatorId;
            credential: Credential;
        }
    }
}

export default Protocol;
