audioworklet.generated.d.ts

/////////////////////////////
/// AudioWorklet APIs
/////////////////////////////

interface AddEventListenerOptions extends EventListenerOptions {
    once?: boolean;
    passive?: boolean;
    signal?: AbortSignal;
}

interface CustomEventInit<T = any> extends EventInit {
    detail?: T;
}

interface ErrorEventInit extends EventInit {
    colno?: number;
    error?: any;
    filename?: string;
    lineno?: number;
    message?: string;
}

interface EventInit {
    bubbles?: boolean;
    cancelable?: boolean;
    composed?: boolean;
}

interface EventListenerOptions {
    capture?: boolean;
}

interface MessageEventInit<T = any> extends EventInit {
    data?: T;
    lastEventId?: string;
    origin?: string;
    ports?: MessagePort[];
    source?: MessageEventSource | null;
}

interface PerformanceMarkOptions {
    detail?: any;
    startTime?: DOMHighResTimeStamp;
}

interface PerformanceMeasureOptions {
    detail?: any;
    duration?: DOMHighResTimeStamp;
    end?: string | DOMHighResTimeStamp;
    start?: string | DOMHighResTimeStamp;
}

interface PerformanceObserverInit {
    buffered?: boolean;
    entryTypes?: string[];
    type?: string;
}

interface PromiseRejectionEventInit extends EventInit {
    promise: Promise<any>;
    reason?: any;
}

interface QueuingStrategy<T = any> {
    highWaterMark?: number;
    size?: QueuingStrategySize<T>;
}

interface QueuingStrategyInit {
    /**
     * Creates a new ByteLengthQueuingStrategy with the provided high water mark.
     *
     * Note that the provided high water mark will not be validated ahead of time. Instead, if it is negative, NaN, or not a number, the resulting ByteLengthQueuingStrategy will cause the corresponding stream constructor to throw.
     */
    highWaterMark: number;
}

interface ReadableStreamGetReaderOptions {
    /**
     * Creates a ReadableStreamBYOBReader and locks the stream to the new reader.
     *
     * This call behaves the same way as the no-argument variant, except that it only works on readable byte streams, i.e. streams which were constructed specifically with the ability to handle "bring your own buffer" reading. The returned BYOB reader provides the ability to directly read individual chunks from the stream via its read() method, into developer-supplied buffers, allowing more precise control over allocation.
     */
    mode?: ReadableStreamReaderMode;
}

interface ReadableStreamReadDoneResult<T> {
    done: true;
    value?: T;
}

interface ReadableStreamReadValueResult<T> {
    done: false;
    value: T;
}

interface ReadableWritablePair<R = any, W = any> {
    readable: ReadableStream<R>;
    /**
     * Provides a convenient, chainable way of piping this readable stream through a transform stream (or any other { writable, readable } pair). It simply pipes the stream into the writable side of the supplied pair, and returns the readable side for further use.
     *
     * Piping a stream will lock it for the duration of the pipe, preventing any other consumer from acquiring a reader.
     */
    writable: WritableStream<W>;
}

interface StreamPipeOptions {
    preventAbort?: boolean;
    preventCancel?: boolean;
    /**
     * Pipes this readable stream to a given writable stream destination. The way in which the piping process behaves under various error conditions can be customized with a number of passed options. It returns a promise that fulfills when the piping process completes successfully, or rejects if any errors were encountered.
     *
     * Piping a stream will lock it for the duration of the pipe, preventing any other consumer from acquiring a reader.
     *
     * Errors and closures of the source and destination streams propagate as follows:
     *
     * An error in this source readable stream will abort destination, unless preventAbort is truthy. The returned promise will be rejected with the source's error, or with any error that occurs during aborting the destination.
     *
     * An error in destination will cancel this source readable stream, unless preventCancel is truthy. The returned promise will be rejected with the destination's error, or with any error that occurs during canceling the source.
     *
     * When this source readable stream closes, destination will be closed, unless preventClose is truthy. The returned promise will be fulfilled once this process completes, unless an error is encountered while closing the destination, in which case it will be rejected with that error.
     *
     * If destination starts out closed or closing, this source readable stream will be canceled, unless preventCancel is true. The returned promise will be rejected with an error indicating piping to a closed stream failed, or with any error that occurs during canceling the source.
     *
     * The signal option can be set to an AbortSignal to allow aborting an ongoing pipe operation via the corresponding AbortController. In this case, this source readable stream will be canceled, and destination aborted, unless the respective options preventCancel or preventAbort are set.
     */
    preventClose?: boolean;
    signal?: AbortSignal;
}

interface StructuredSerializeOptions {
    transfer?: Transferable[];
}

interface TextDecodeOptions {
    stream?: boolean;
}

interface TextDecoderOptions {
    fatal?: boolean;
    ignoreBOM?: boolean;
}

interface TextEncoderEncodeIntoResult {
    read?: number;
    written?: number;
}

interface Transformer<I = any, O = any> {
    flush?: TransformerFlushCallback<O>;
    readableType?: undefined;
    start?: TransformerStartCallback<O>;
    transform?: TransformerTransformCallback<I, O>;
    writableType?: undefined;
}

interface UnderlyingByteSource {
    autoAllocateChunkSize?: number;
    cancel?: UnderlyingSourceCancelCallback;
    pull?: (controller: ReadableByteStreamController) => void | PromiseLike<void>;
    start?: (controller: ReadableByteStreamController) => any;
    type: "bytes";
}

interface UnderlyingDefaultSource<R = any> {
    cancel?: UnderlyingSourceCancelCallback;
    pull?: (controller: ReadableStreamDefaultController<R>) => void | PromiseLike<void>;
    start?: (controller: ReadableStreamDefaultController<R>) => any;
    type?: undefined;
}

interface UnderlyingSink<W = any> {
    abort?: UnderlyingSinkAbortCallback;
    close?: UnderlyingSinkCloseCallback;
    start?: UnderlyingSinkStartCallback;
    type?: undefined;
    write?: UnderlyingSinkWriteCallback<W>;
}

interface UnderlyingSource<R = any> {
    autoAllocateChunkSize?: number;
    cancel?: UnderlyingSourceCancelCallback;
    pull?: UnderlyingSourcePullCallback<R>;
    start?: UnderlyingSourceStartCallback<R>;
    type?: ReadableStreamType;
}

/** A controller object that allows you to abort one or more DOM requests as and when desired. */
interface AbortController {
    /** Returns the AbortSignal object associated with this object. */
    readonly signal: AbortSignal;
    /** Invoking this method will set this object's AbortSignal's aborted flag and signal to any observers that the associated activity is to be aborted. */
    abort(reason?: any): void;
}

declare var AbortController: {
    prototype: AbortController;
    new(): AbortController;
};

interface AbortSignalEventMap {
    "abort": Event;
}

/** A signal object that allows you to communicate with a DOM request (such as a Fetch) and abort it if required via an AbortController object. */
interface AbortSignal extends EventTarget {
    /** Returns true if this AbortSignal's AbortController has signaled to abort, and false otherwise. */
    readonly aborted: boolean;
    onabort: ((this: AbortSignal, ev: Event) => any) | null;
    readonly reason: any;
    throwIfAborted(): void;
    addEventListener<K extends keyof AbortSignalEventMap>(type: K, listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof AbortSignalEventMap>(type: K, listener: (this: AbortSignal, ev: AbortSignalEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var AbortSignal: {
    prototype: AbortSignal;
    new(): AbortSignal;
    abort(reason?: any): AbortSignal;
};

interface AudioWorkletGlobalScope extends WorkletGlobalScope {
    readonly currentFrame: number;
    readonly currentTime: number;
    readonly sampleRate: number;
    registerProcessor(name: string, processorCtor: AudioWorkletProcessorConstructor): void;
}

declare var AudioWorkletGlobalScope: {
    prototype: AudioWorkletGlobalScope;
    new(): AudioWorkletGlobalScope;
};

interface AudioWorkletProcessor {
    readonly port: MessagePort;
}

declare var AudioWorkletProcessor: {
    prototype: AudioWorkletProcessor;
    new(): AudioWorkletProcessor;
};

interface AudioWorkletProcessorImpl extends AudioWorkletProcessor {
    process(inputs: Float32Array[][], outputs: Float32Array[][], parameters: Record<string, Float32Array>): boolean;
}

/** This Streams API interface provides a built-in byte length queuing strategy that can be used when constructing streams. */
interface ByteLengthQueuingStrategy extends QueuingStrategy<ArrayBufferView> {
    readonly highWaterMark: number;
    readonly size: QueuingStrategySize<ArrayBufferView>;
}

declare var ByteLengthQueuingStrategy: {
    prototype: ByteLengthQueuingStrategy;
    new(init: QueuingStrategyInit): ByteLengthQueuingStrategy;
};

/** This Streams API interface provides a built-in byte length queuing strategy that can be used when constructing streams. */
interface CountQueuingStrategy extends QueuingStrategy {
    readonly highWaterMark: number;
    readonly size: QueuingStrategySize;
}

declare var CountQueuingStrategy: {
    prototype: CountQueuingStrategy;
    new(init: QueuingStrategyInit): CountQueuingStrategy;
};

interface CustomEvent<T = any> extends Event {
    /** Returns any custom data event was created with. Typically used for synthetic events. */
    readonly detail: T;
    /** @deprecated */
    initCustomEvent(type: string, bubbles?: boolean, cancelable?: boolean, detail?: T): void;
}

declare var CustomEvent: {
    prototype: CustomEvent;
    new<T>(type: string, eventInitDict?: CustomEventInit<T>): CustomEvent<T>;
};

/** Events providing information related to errors in scripts or in files. */
interface ErrorEvent extends Event {
    readonly colno: number;
    readonly error: any;
    readonly filename: string;
    readonly lineno: number;
    readonly message: string;
}

declare var ErrorEvent: {
    prototype: ErrorEvent;
    new(type: string, eventInitDict?: ErrorEventInit): ErrorEvent;
};

/** An event which takes place in the DOM. */
interface Event {
    /** Returns true or false depending on how event was initialized. True if event goes through its target's ancestors in reverse tree order, and false otherwise. */
    readonly bubbles: boolean;
    cancelBubble: boolean;
    /** Returns true or false depending on how event was initialized. Its return value does not always carry meaning, but true can indicate that part of the operation during which event was dispatched, can be canceled by invoking the preventDefault() method. */
    readonly cancelable: boolean;
    /** Returns true or false depending on how event was initialized. True if event invokes listeners past a ShadowRoot node that is the root of its target, and false otherwise. */
    readonly composed: boolean;
    /** Returns the object whose event listener's callback is currently being invoked. */
    readonly currentTarget: EventTarget | null;
    /** Returns true if preventDefault() was invoked successfully to indicate cancelation, and false otherwise. */
    readonly defaultPrevented: boolean;
    /** Returns the event's phase, which is one of NONE, CAPTURING_PHASE, AT_TARGET, and BUBBLING_PHASE. */
    readonly eventPhase: number;
    /** Returns true if event was dispatched by the user agent, and false otherwise. */
    readonly isTrusted: boolean;
    /** @deprecated */
    returnValue: boolean;
    /** @deprecated */
    readonly srcElement: EventTarget | null;
    /** Returns the object to which event is dispatched (its target). */
    readonly target: EventTarget | null;
    /** Returns the event's timestamp as the number of milliseconds measured relative to the time origin. */
    readonly timeStamp: DOMHighResTimeStamp;
    /** Returns the type of event, e.g. "click", "hashchange", or "submit". */
    readonly type: string;
    /** Returns the invocation target objects of event's path (objects on which listeners will be invoked), except for any nodes in shadow trees of which the shadow root's mode is "closed" that are not reachable from event's currentTarget. */
    composedPath(): EventTarget[];
    /** @deprecated */
    initEvent(type: string, bubbles?: boolean, cancelable?: boolean): void;
    /** If invoked when the cancelable attribute value is true, and while executing a listener for the event with passive set to false, signals to the operation that caused event to be dispatched that it needs to be canceled. */
    preventDefault(): void;
    /** Invoking this method prevents event from reaching any registered event listeners after the current one finishes running and, when dispatched in a tree, also prevents event from reaching any other objects. */
    stopImmediatePropagation(): void;
    /** When dispatched in a tree, invoking this method prevents event from reaching any objects other than the current object. */
    stopPropagation(): void;
    readonly AT_TARGET: number;
    readonly BUBBLING_PHASE: number;
    readonly CAPTURING_PHASE: number;
    readonly NONE: number;
}

declare var Event: {
    prototype: Event;
    new(type: string, eventInitDict?: EventInit): Event;
    readonly AT_TARGET: number;
    readonly BUBBLING_PHASE: number;
    readonly CAPTURING_PHASE: number;
    readonly NONE: number;
};

interface EventListener {
    (evt: Event): void;
}

interface EventListenerObject {
    handleEvent(object: Event): void;
}

/** EventTarget is a DOM interface implemented by objects that can receive events and may have listeners for them. */
interface EventTarget {
    /**
     * Appends an event listener for events whose type attribute value is type. The callback argument sets the callback that will be invoked when the event is dispatched.
     *
     * The options argument sets listener-specific options. For compatibility this can be a boolean, in which case the method behaves exactly as if the value was specified as options's capture.
     *
     * When set to true, options's capture prevents callback from being invoked when the event's eventPhase attribute value is BUBBLING_PHASE. When false (or not present), callback will not be invoked when event's eventPhase attribute value is CAPTURING_PHASE. Either way, callback will be invoked if event's eventPhase attribute value is AT_TARGET.
     *
     * When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in § 2.8 Observing event listeners.
     *
     * When set to true, options's once indicates that the callback will only be invoked once after which the event listener will be removed.
     *
     * If an AbortSignal is passed for options's signal, then the event listener will be removed when signal is aborted.
     *
     * The event listener is appended to target's event listener list and is not appended if it has the same type, callback, and capture.
     */
    addEventListener(type: string, callback: EventListenerOrEventListenerObject | null, options?: AddEventListenerOptions | boolean): void;
    /** Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise. */
    dispatchEvent(event: Event): boolean;
    /** Removes the event listener in target's event listener list with the same type, callback, and options. */
    removeEventListener(type: string, callback: EventListenerOrEventListenerObject | null, options?: EventListenerOptions | boolean): void;
}

declare var EventTarget: {
    prototype: EventTarget;
    new(): EventTarget;
};

interface GenericTransformStream {
    readonly readable: ReadableStream;
    readonly writable: WritableStream;
}

/** A message received by a target object. */
interface MessageEvent<T = any> extends Event {
    /** Returns the data of the message. */
    readonly data: T;
    /** Returns the last event ID string, for server-sent events. */
    readonly lastEventId: string;
    /** Returns the origin of the message, for server-sent events and cross-document messaging. */
    readonly origin: string;
    /** Returns the MessagePort array sent with the message, for cross-document messaging and channel messaging. */
    readonly ports: ReadonlyArray<MessagePort>;
    /** Returns the WindowProxy of the source window, for cross-document messaging, and the MessagePort being attached, in the connect event fired at SharedWorkerGlobalScope objects. */
    readonly source: MessageEventSource | null;
    /** @deprecated */
    initMessageEvent(type: string, bubbles?: boolean, cancelable?: boolean, data?: any, origin?: string, lastEventId?: string, source?: MessageEventSource | null, ports?: MessagePort[]): void;
}

declare var MessageEvent: {
    prototype: MessageEvent;
    new<T>(type: string, eventInitDict?: MessageEventInit<T>): MessageEvent<T>;
};

interface MessagePortEventMap {
    "message": MessageEvent;
    "messageerror": MessageEvent;
}

/** This Channel Messaging API interface represents one of the two ports of a MessageChannel, allowing messages to be sent from one port and listening out for them arriving at the other. */
interface MessagePort extends EventTarget {
    onmessage: ((this: MessagePort, ev: MessageEvent) => any) | null;
    onmessageerror: ((this: MessagePort, ev: MessageEvent) => any) | null;
    /** Disconnects the port, so that it is no longer active. */
    close(): void;
    /**
     * Posts a message through the channel. Objects listed in transfer are transferred, not just cloned, meaning that they are no longer usable on the sending side.
     *
     * Throws a "DataCloneError" DOMException if transfer contains duplicate objects or port, or if message could not be cloned.
     */
    postMessage(message: any, transfer: Transferable[]): void;
    postMessage(message: any, options?: StructuredSerializeOptions): void;
    /** Begins dispatching messages received on the port. */
    start(): void;
    addEventListener<K extends keyof MessagePortEventMap>(type: K, listener: (this: MessagePort, ev: MessagePortEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof MessagePortEventMap>(type: K, listener: (this: MessagePort, ev: MessagePortEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var MessagePort: {
    prototype: MessagePort;
    new(): MessagePort;
};

interface PerformanceEventMap {
    "resourcetimingbufferfull": Event;
}

/** Provides access to performance-related information for the current page. It's part of the High Resolution Time API, but is enhanced by the Performance Timeline API, the Navigation Timing API, the User Timing API, and the Resource Timing API. */
interface Performance extends EventTarget {
    onresourcetimingbufferfull: ((this: Performance, ev: Event) => any) | null;
    readonly timeOrigin: DOMHighResTimeStamp;
    clearMarks(markName?: string): void;
    clearMeasures(measureName?: string): void;
    clearResourceTimings(): void;
    getEntries(): PerformanceEntryList;
    getEntriesByName(name: string, type?: string): PerformanceEntryList;
    getEntriesByType(type: string): PerformanceEntryList;
    mark(markName: string, markOptions?: PerformanceMarkOptions): PerformanceMark;
    measure(measureName: string, startOrMeasureOptions?: string | PerformanceMeasureOptions, endMark?: string): PerformanceMeasure;
    now(): DOMHighResTimeStamp;
    setResourceTimingBufferSize(maxSize: number): void;
    toJSON(): any;
    addEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    addEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void;
    removeEventListener<K extends keyof PerformanceEventMap>(type: K, listener: (this: Performance, ev: PerformanceEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions): void;
}

declare var Performance: {
    prototype: Performance;
    new(): Performance;
};

/** Encapsulates a single performance metric that is part of the performance timeline. A performance entry can be directly created by making a performance mark or measure (for example by calling the mark() method) at an explicit point in an application. Performance entries are also created in indirect ways such as loading a resource (such as an image). */
interface PerformanceEntry {
    readonly duration: DOMHighResTimeStamp;
    readonly entryType: string;
    readonly name: string;
    readonly startTime: DOMHighResTimeStamp;
    toJSON(): any;
}

declare var PerformanceEntry: {
    prototype: PerformanceEntry;
    new(): PerformanceEntry;
};

/** PerformanceMark is an abstract interface for PerformanceEntry objects with an entryType of "mark". Entries of this type are created by calling performance.mark() to add a named DOMHighResTimeStamp (the mark) to the browser's performance timeline. */
interface PerformanceMark extends PerformanceEntry {
    readonly detail: any;
}

declare var PerformanceMark: {
    prototype: PerformanceMark;
    new(markName: string, markOptions?: PerformanceMarkOptions): PerformanceMark;
};

/** PerformanceMeasure is an abstract interface for PerformanceEntry objects with an entryType of "measure". Entries of this type are created by calling performance.measure() to add a named DOMHighResTimeStamp (the measure) between two marks to the browser's performance timeline. */
interface PerformanceMeasure extends PerformanceEntry {
    readonly detail: any;
}

declare var PerformanceMeasure: {
    prototype: PerformanceMeasure;
    new(): PerformanceMeasure;
};

interface PerformanceObserver {
    disconnect(): void;
    observe(options?: PerformanceObserverInit): void;
    takeRecords(): PerformanceEntryList;
}

declare var PerformanceObserver: {
    prototype: PerformanceObserver;
    new(callback: PerformanceObserverCallback): PerformanceObserver;
    readonly supportedEntryTypes: ReadonlyArray<string>;
};

interface PerformanceObserverEntryList {
    getEntries(): PerformanceEntryList;
    getEntriesByName(name: string, type?: string): PerformanceEntryList;
    getEntriesByType(type: string): PerformanceEntryList;
}

declare var PerformanceObserverEntryList: {
    prototype: PerformanceObserverEntryList;
    new(): PerformanceObserverEntryList;
};

interface PromiseRejectionEvent extends Event {
    readonly promise: Promise<any>;
    readonly reason: any;
}

declare var PromiseRejectionEvent: {
    prototype: PromiseRejectionEvent;
    new(type: string, eventInitDict: PromiseRejectionEventInit): PromiseRejectionEvent;
};

interface ReadableByteStreamController {
    readonly byobRequest: ReadableStreamBYOBRequest | null;
    readonly desiredSize: number | null;
    close(): void;
    enqueue(chunk: ArrayBufferView): void;
    error(e?: any): void;
}

declare var ReadableByteStreamController: {
    prototype: ReadableByteStreamController;
    new(): ReadableByteStreamController;
};

/** This Streams API interface represents a readable stream of byte data. The Fetch API offers a concrete instance of a ReadableStream through the body property of a Response object. */
interface ReadableStream<R = any> {
    readonly locked: boolean;
    cancel(reason?: any): Promise<void>;
    getReader(options: { mode: "byob" }): ReadableStreamBYOBReader;
    getReader(): ReadableStreamDefaultReader<R>;
    getReader(options?: ReadableStreamGetReaderOptions): ReadableStreamReader<R>;
    pipeThrough<T>(transform: ReadableWritablePair<T, R>, options?: StreamPipeOptions): ReadableStream<T>;
    pipeTo(destination: WritableStream<R>, options?: StreamPipeOptions): Promise<void>;
    tee(): [ReadableStream<R>, ReadableStream<R>];
}

declare var ReadableStream: {
    prototype: ReadableStream;
    new(underlyingSource: UnderlyingByteSource, strategy?: { highWaterMark?: number }): ReadableStream<Uint8Array>;
    new<R = any>(underlyingSource: UnderlyingDefaultSource<R>, strategy?: QueuingStrategy<R>): ReadableStream<R>;
    new<R = any>(underlyingSource?: UnderlyingSource<R>, strategy?: QueuingStrategy<R>): ReadableStream<R>;
};

interface ReadableStreamBYOBReader extends ReadableStreamGenericReader {
    read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamReadResult<T>>;
    releaseLock(): void;
}

declare var ReadableStreamBYOBReader: {
    prototype: ReadableStreamBYOBReader;
    new(stream: ReadableStream): ReadableStreamBYOBReader;
};

interface ReadableStreamBYOBRequest {
    readonly view: ArrayBufferView | null;
    respond(bytesWritten: number): void;
    respondWithNewView(view: ArrayBufferView): void;
}

declare var ReadableStreamBYOBRequest: {
    prototype: ReadableStreamBYOBRequest;
    new(): ReadableStreamBYOBRequest;
};

interface ReadableStreamDefaultController<R = any> {
    readonly desiredSize: number | null;
    close(): void;
    enqueue(chunk?: R): void;
    error(e?: any): void;
}

declare var ReadableStreamDefaultController: {
    prototype: ReadableStreamDefaultController;
    new(): ReadableStreamDefaultController;
};

interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
    read(): Promise<ReadableStreamReadResult<R>>;
    releaseLock(): void;
}

declare var ReadableStreamDefaultReader: {
    prototype: ReadableStreamDefaultReader;
    new<R = any>(stream: ReadableStream<R>): ReadableStreamDefaultReader<R>;
};

interface ReadableStreamGenericReader {
    readonly closed: Promise<undefined>;
    cancel(reason?: any): Promise<void>;
}

/** A decoder for a specific method, that is a specific character encoding, like utf-8, iso-8859-2, koi8, cp1261, gbk, etc. A decoder takes a stream of bytes as input and emits a stream of code points. For a more scalable, non-native library, see StringView – a C-like representation of strings based on typed arrays. */
interface TextDecoder extends TextDecoderCommon {
    /**
     * Returns the result of running encoding's decoder. The method can be invoked zero or more times with options's stream set to true, and then once without options's stream (or set to false), to process a fragmented input. If the invocation without options's stream (or set to false) has no input, it's clearest to omit both arguments.
     *
     * ```
     * var string = "", decoder = new TextDecoder(encoding), buffer;
     * while(buffer = next_chunk()) {
     *   string += decoder.decode(buffer, {stream:true});
     * }
     * string += decoder.decode(); // end-of-queue
     * ```
     *
     * If the error mode is "fatal" and encoding's decoder returns error, throws a TypeError.
     */
    decode(input?: BufferSource, options?: TextDecodeOptions): string;
}

declare var TextDecoder: {
    prototype: TextDecoder;
    new(label?: string, options?: TextDecoderOptions): TextDecoder;
};

interface TextDecoderCommon {
    /** Returns encoding's name, lowercased. */
    readonly encoding: string;
    /** Returns true if error mode is "fatal", otherwise false. */
    readonly fatal: boolean;
    /** Returns the value of ignore BOM. */
    readonly ignoreBOM: boolean;
}

interface TextDecoderStream extends GenericTransformStream, TextDecoderCommon {
    readonly readable: ReadableStream<string>;
    readonly writable: WritableStream<BufferSource>;
}

declare var TextDecoderStream: {
    prototype: TextDecoderStream;
    new(label?: string, options?: TextDecoderOptions): TextDecoderStream;
};

/** TextEncoder takes a stream of code points as input and emits a stream of bytes. For a more scalable, non-native library, see StringView – a C-like representation of strings based on typed arrays. */
interface TextEncoder extends TextEncoderCommon {
    /** Returns the result of running UTF-8's encoder. */
    encode(input?: string): Uint8Array;
    /** Runs the UTF-8 encoder on source, stores the result of that operation into destination, and returns the progress made as an object wherein read is the number of converted code units of source and written is the number of bytes modified in destination. */
    encodeInto(source: string, destination: Uint8Array): TextEncoderEncodeIntoResult;
}

declare var TextEncoder: {
    prototype: TextEncoder;
    new(): TextEncoder;
};

interface TextEncoderCommon {
    /** Returns "utf-8". */
    readonly encoding: string;
}

interface TextEncoderStream extends GenericTransformStream, TextEncoderCommon {
    readonly readable: ReadableStream<Uint8Array>;
    readonly writable: WritableStream<string>;
}

declare var TextEncoderStream: {
    prototype: TextEncoderStream;
    new(): TextEncoderStream;
};

interface TransformStream<I = any, O = any> {
    readonly readable: ReadableStream<O>;
    readonly writable: WritableStream<I>;
}

declare var TransformStream: {
    prototype: TransformStream;
    new<I = any, O = any>(transformer?: Transformer<I, O>, writableStrategy?: QueuingStrategy<I>, readableStrategy?: QueuingStrategy<O>): TransformStream<I, O>;
};

interface TransformStreamDefaultController<O = any> {
    readonly desiredSize: number | null;
    enqueue(chunk?: O): void;
    error(reason?: any): void;
    terminate(): void;
}

declare var TransformStreamDefaultController: {
    prototype: TransformStreamDefaultController;
    new(): TransformStreamDefaultController;
};

/** The URL interface represents an object providing static methods used for creating object URLs. */
interface URL {
    hash: string;
    host: string;
    hostname: string;
    href: string;
    toString(): string;
    readonly origin: string;
    password: string;
    pathname: string;
    port: string;
    protocol: string;
    search: string;
    readonly searchParams: URLSearchParams;
    username: string;
    toJSON(): string;
}

declare var URL: {
    prototype: URL;
    new(url: string | URL, base?: string | URL): URL;
};

interface URLSearchParams {
    /** Appends a specified key/value pair as a new search parameter. */
    append(name: string, value: string): void;
    /** Deletes the given search parameter, and its associated value, from the list of all search parameters. */
    delete(name: string): void;
    /** Returns the first value associated to the given search parameter. */
    get(name: string): string | null;
    /** Returns all the values association with a given search parameter. */
    getAll(name: string): string[];
    /** Returns a Boolean indicating if such a search parameter exists. */
    has(name: string): boolean;
    /** Sets the value associated to a given search parameter to the given value. If there were several values, delete the others. */
    set(name: string, value: string): void;
    sort(): void;
    /** Returns a string containing a query string suitable for use in a URL. Does not include the question mark. */
    toString(): string;
    forEach(callbackfn: (value: string, key: string, parent: URLSearchParams) => void, thisArg?: any): void;
}

declare var URLSearchParams: {
    prototype: URLSearchParams;
    new(init?: string[][] | Record<string, string> | string | URLSearchParams): URLSearchParams;
    toString(): string;
};

/** Available only in secure contexts. */
interface WorkletGlobalScope {
}

declare var WorkletGlobalScope: {
    prototype: WorkletGlobalScope;
    new(): WorkletGlobalScope;
};

/** This Streams API interface provides a standard abstraction for writing streaming data to a destination, known as a sink. This object comes with built-in backpressure and queuing. */
interface WritableStream<W = any> {
    readonly locked: boolean;
    abort(reason?: any): Promise<void>;
    close(): Promise<void>;
    getWriter(): WritableStreamDefaultWriter<W>;
}

declare var WritableStream: {
    prototype: WritableStream;
    new<W = any>(underlyingSink?: UnderlyingSink<W>, strategy?: QueuingStrategy<W>): WritableStream<W>;
};

/** This Streams API interface represents a controller allowing control of a WritableStream's state. When constructing a WritableStream, the underlying sink is given a corresponding WritableStreamDefaultController instance to manipulate. */
interface WritableStreamDefaultController {
    readonly signal: AbortSignal;
    error(e?: any): void;
}

declare var WritableStreamDefaultController: {
    prototype: WritableStreamDefaultController;
    new(): WritableStreamDefaultController;
};

/** This Streams API interface is the object returned by WritableStream.getWriter() and once created locks the < writer to the WritableStream ensuring that no other streams can write to the underlying sink. */
interface WritableStreamDefaultWriter<W = any> {
    readonly closed: Promise<undefined>;
    readonly desiredSize: number | null;
    readonly ready: Promise<undefined>;
    abort(reason?: any): Promise<void>;
    close(): Promise<void>;
    releaseLock(): void;
    write(chunk?: W): Promise<void>;
}

declare var WritableStreamDefaultWriter: {
    prototype: WritableStreamDefaultWriter;
    new<W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>;
};

interface Console {
    assert(condition?: boolean, ...data: any[]): void;
    clear(): void;
    count(label?: string): void;
    countReset(label?: string): void;
    debug(...data: any[]): void;
    dir(item?: any, options?: any): void;
    dirxml(...data: any[]): void;
    error(...data: any[]): void;
    group(...data: any[]): void;
    groupCollapsed(...data: any[]): void;
    groupEnd(): void;
    info(...data: any[]): void;
    log(...data: any[]): void;
    table(tabularData?: any, properties?: string[]): void;
    time(label?: string): void;
    timeEnd(label?: string): void;
    timeLog(label?: string, ...data: any[]): void;
    timeStamp(label?: string): void;
    trace(...data: any[]): void;
    warn(...data: any[]): void;
}

declare var console: Console;

declare namespace WebAssembly {
    interface CompileError extends Error {
    }

    var CompileError: {
        prototype: CompileError;
        new(message?: string): CompileError;
        (message?: string): CompileError;
    };

    interface Global {
        value: any;
        valueOf(): any;
    }

    var Global: {
        prototype: Global;
        new(descriptor: GlobalDescriptor, v?: any): Global;
    };

    interface Instance {
        readonly exports: Exports;
    }

    var Instance: {
        prototype: Instance;
        new(module: Module, importObject?: Imports): Instance;
    };

    interface LinkError extends Error {
    }

    var LinkError: {
        prototype: LinkError;
        new(message?: string): LinkError;
        (message?: string): LinkError;
    };

    interface Memory {
        readonly buffer: ArrayBuffer;
        grow(delta: number): number;
    }

    var Memory: {
        prototype: Memory;
        new(descriptor: MemoryDescriptor): Memory;
    };

    interface Module {
    }

    var Module: {
        prototype: Module;
        new(bytes: BufferSource): Module;
        customSections(moduleObject: Module, sectionName: string): ArrayBuffer[];
        exports(moduleObject: Module): ModuleExportDescriptor[];
        imports(moduleObject: Module): ModuleImportDescriptor[];
    };

    interface RuntimeError extends Error {
    }

    var RuntimeError: {
        prototype: RuntimeError;
        new(message?: string): RuntimeError;
        (message?: string): RuntimeError;
    };

    interface Table {
        readonly length: number;
        get(index: number): any;
        grow(delta: number, value?: any): number;
        set(index: number, value?: any): void;
    }

    var Table: {
        prototype: Table;
        new(descriptor: TableDescriptor, value?: any): Table;
    };

    interface GlobalDescriptor {
        mutable?: boolean;
        value: ValueType;
    }

    interface MemoryDescriptor {
        initial: number;
        maximum?: number;
        shared?: boolean;
    }

    interface ModuleExportDescriptor {
        kind: ImportExportKind;
        name: string;
    }

    interface ModuleImportDescriptor {
        kind: ImportExportKind;
        module: string;
        name: string;
    }

    interface TableDescriptor {
        element: TableKind;
        initial: number;
        maximum?: number;
    }

    interface WebAssemblyInstantiatedSource {
        instance: Instance;
        module: Module;
    }

    type ImportExportKind = "function" | "global" | "memory" | "table";
    type TableKind = "anyfunc" | "externref";
    type ValueType = "anyfunc" | "externref" | "f32" | "f64" | "i32" | "i64" | "v128";
    type ExportValue = Function | Global | Memory | Table;
    type Exports = Record<string, ExportValue>;
    type ImportValue = ExportValue | number;
    type Imports = Record<string, ModuleImports>;
    type ModuleImports = Record<string, ImportValue>;
    function compile(bytes: BufferSource): Promise<Module>;
    function instantiate(bytes: BufferSource, importObject?: Imports): Promise<WebAssemblyInstantiatedSource>;
    function instantiate(moduleObject: Module, importObject?: Imports): Promise<Instance>;
    function validate(bytes: BufferSource): boolean;
}

interface AudioWorkletProcessorConstructor {
    new (options: any): AudioWorkletProcessorImpl;
}

interface PerformanceObserverCallback {
    (entries: PerformanceObserverEntryList, observer: PerformanceObserver): void;
}

interface QueuingStrategySize<T = any> {
    (chunk: T): number;
}

interface TransformerFlushCallback<O> {
    (controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
}

interface TransformerStartCallback<O> {
    (controller: TransformStreamDefaultController<O>): any;
}

interface TransformerTransformCallback<I, O> {
    (chunk: I, controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
}

interface UnderlyingSinkAbortCallback {
    (reason?: any): void | PromiseLike<void>;
}

interface UnderlyingSinkCloseCallback {
    (): void | PromiseLike<void>;
}

interface UnderlyingSinkStartCallback {
    (controller: WritableStreamDefaultController): any;
}

interface UnderlyingSinkWriteCallback<W> {
    (chunk: W, controller: WritableStreamDefaultController): void | PromiseLike<void>;
}

interface UnderlyingSourceCancelCallback {
    (reason?: any): void | PromiseLike<void>;
}

interface UnderlyingSourcePullCallback<R> {
    (controller: ReadableStreamController<R>): void | PromiseLike<void>;
}

interface UnderlyingSourceStartCallback<R> {
    (controller: ReadableStreamController<R>): any;
}

declare var currentFrame: number;
declare var currentTime: number;
declare var sampleRate: number;
declare function registerProcessor(name: string, processorCtor: AudioWorkletProcessorConstructor): void;
type BufferSource = ArrayBufferView | ArrayBuffer;
type DOMHighResTimeStamp = number;
type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
type MessageEventSource = MessagePort;
type PerformanceEntryList = PerformanceEntry[];
type ReadableStreamController<T> = ReadableStreamDefaultController<T> | ReadableByteStreamController;
type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBYOBReader;
type Transferable = ArrayBuffer | MessagePort;
type ReadableStreamReaderMode = "byob";
type ReadableStreamType = "bytes";