@types/web/index.d.ts

Types for the DOM, and other web technologies in browsers

/// <reference path="./iterable.d.ts" />
/// <reference path="./asynciterable.d.ts" />

/// <reference lib="es2015" />
/// <reference lib="es2018.asynciterable" />

/////////////////////////////
/// Window APIs
/////////////////////////////

interface AacEncoderConfig {
    format?: AacBitstreamFormat;
}

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

interface AddressErrors {
    addressLine?: string;
    city?: string;
    country?: string;
    dependentLocality?: string;
    organization?: string;
    phone?: string;
    postalCode?: string;
    recipient?: string;
    region?: string;
    sortingCode?: string;
}

interface AesCbcParams extends Algorithm {
    iv: BufferSource;
}

interface AesCtrParams extends Algorithm {
    counter: BufferSource;
    length: number;
}

interface AesDerivedKeyParams extends Algorithm {
    length: number;
}

interface AesGcmParams extends Algorithm {
    additionalData?: BufferSource;
    iv: BufferSource;
    tagLength?: number;
}

interface AesKeyAlgorithm extends KeyAlgorithm {
    length: number;
}

interface AesKeyGenParams extends Algorithm {
    length: number;
}

interface Algorithm {
    name: string;
}

interface AllAcceptedCredentialsOptions {
    allAcceptedCredentialIds: Base64URLString[];
    rpId: string;
    userId: Base64URLString;
}

interface AnalyserOptions extends AudioNodeOptions {
    fftSize?: number;
    maxDecibels?: number;
    minDecibels?: number;
    smoothingTimeConstant?: number;
}

interface AnimationEventInit extends EventInit {
    animationName?: string;
    elapsedTime?: number;
    pseudoElement?: string;
}

interface AnimationPlaybackEventInit extends EventInit {
    currentTime?: CSSNumberish | null;
    timelineTime?: CSSNumberish | null;
}

interface AssignedNodesOptions {
    flatten?: boolean;
}

interface AudioBufferOptions {
    length: number;
    numberOfChannels?: number;
    sampleRate: number;
}

interface AudioBufferSourceOptions {
    buffer?: AudioBuffer | null;
    detune?: number;
    loop?: boolean;
    loopEnd?: number;
    loopStart?: number;
    playbackRate?: number;
}

interface AudioConfiguration {
    bitrate?: number;
    channels?: string;
    contentType: string;
    samplerate?: number;
    spatialRendering?: boolean;
}

interface AudioContextOptions {
    latencyHint?: AudioContextLatencyCategory | number;
    sampleRate?: number;
}

interface AudioDataCopyToOptions {
    format?: AudioSampleFormat;
    frameCount?: number;
    frameOffset?: number;
    planeIndex: number;
}

interface AudioDataInit {
    data: BufferSource;
    format: AudioSampleFormat;
    numberOfChannels: number;
    numberOfFrames: number;
    sampleRate: number;
    timestamp: number;
    transfer?: ArrayBuffer[];
}

interface AudioDecoderConfig {
    codec: string;
    description?: AllowSharedBufferSource;
    numberOfChannels: number;
    sampleRate: number;
}

interface AudioDecoderInit {
    error: WebCodecsErrorCallback;
    output: AudioDataOutputCallback;
}

interface AudioDecoderSupport {
    config?: AudioDecoderConfig;
    supported?: boolean;
}

interface AudioEncoderConfig {
    aac?: AacEncoderConfig;
    bitrate?: number;
    bitrateMode?: BitrateMode;
    codec: string;
    numberOfChannels: number;
    opus?: OpusEncoderConfig;
    sampleRate: number;
}

interface AudioEncoderInit {
    error: WebCodecsErrorCallback;
    output: EncodedAudioChunkOutputCallback;
}

interface AudioEncoderSupport {
    config?: AudioEncoderConfig;
    supported?: boolean;
}

interface AudioNodeOptions {
    channelCount?: number;
    channelCountMode?: ChannelCountMode;
    channelInterpretation?: ChannelInterpretation;
}

interface AudioProcessingEventInit extends EventInit {
    inputBuffer: AudioBuffer;
    outputBuffer: AudioBuffer;
    playbackTime: number;
}

interface AudioTimestamp {
    contextTime?: number;
    performanceTime?: DOMHighResTimeStamp;
}

interface AudioWorkletNodeOptions extends AudioNodeOptions {
    numberOfInputs?: number;
    numberOfOutputs?: number;
    outputChannelCount?: number[];
    parameterData?: Record<string, number>;
    processorOptions?: any;
}

interface AuthenticationExtensionsClientInputs {
    appid?: string;
    credProps?: boolean;
    credentialProtectionPolicy?: string;
    enforceCredentialProtectionPolicy?: boolean;
    hmacCreateSecret?: boolean;
    largeBlob?: AuthenticationExtensionsLargeBlobInputs;
    minPinLength?: boolean;
    prf?: AuthenticationExtensionsPRFInputs;
}

interface AuthenticationExtensionsClientInputsJSON {
    appid?: string;
    credProps?: boolean;
    largeBlob?: AuthenticationExtensionsLargeBlobInputsJSON;
    prf?: AuthenticationExtensionsPRFInputsJSON;
}

interface AuthenticationExtensionsClientOutputs {
    appid?: boolean;
    credProps?: CredentialPropertiesOutput;
    hmacCreateSecret?: boolean;
    largeBlob?: AuthenticationExtensionsLargeBlobOutputs;
    prf?: AuthenticationExtensionsPRFOutputs;
}

interface AuthenticationExtensionsClientOutputsJSON {
    appid?: boolean;
    credProps?: CredentialPropertiesOutput;
    largeBlob?: AuthenticationExtensionsLargeBlobOutputsJSON;
    prf?: AuthenticationExtensionsPRFOutputsJSON;
}

interface AuthenticationExtensionsLargeBlobInputs {
    read?: boolean;
    support?: string;
    write?: BufferSource;
}

interface AuthenticationExtensionsLargeBlobInputsJSON {
    read?: boolean;
    support?: string;
    write?: Base64URLString;
}

interface AuthenticationExtensionsLargeBlobOutputs {
    blob?: ArrayBuffer;
    supported?: boolean;
    written?: boolean;
}

interface AuthenticationExtensionsLargeBlobOutputsJSON {
    blob?: Base64URLString;
    supported?: boolean;
    written?: boolean;
}

interface AuthenticationExtensionsPRFInputs {
    eval?: AuthenticationExtensionsPRFValues;
    evalByCredential?: Record<string, AuthenticationExtensionsPRFValues>;
}

interface AuthenticationExtensionsPRFInputsJSON {
    eval?: AuthenticationExtensionsPRFValuesJSON;
    evalByCredential?: Record<string, AuthenticationExtensionsPRFValuesJSON>;
}

interface AuthenticationExtensionsPRFOutputs {
    enabled?: boolean;
    results?: AuthenticationExtensionsPRFValues;
}

interface AuthenticationExtensionsPRFOutputsJSON {
    enabled?: boolean;
    results?: AuthenticationExtensionsPRFValuesJSON;
}

interface AuthenticationExtensionsPRFValues {
    first: BufferSource;
    second?: BufferSource;
}

interface AuthenticationExtensionsPRFValuesJSON {
    first: Base64URLString;
    second?: Base64URLString;
}

interface AuthenticationResponseJSON {
    authenticatorAttachment?: string;
    clientExtensionResults: AuthenticationExtensionsClientOutputsJSON;
    id: string;
    rawId: Base64URLString;
    response: AuthenticatorAssertionResponseJSON;
    type: string;
}

interface AuthenticatorAssertionResponseJSON {
    authenticatorData: Base64URLString;
    clientDataJSON: Base64URLString;
    signature: Base64URLString;
    userHandle?: Base64URLString;
}

interface AuthenticatorAttestationResponseJSON {
    attestationObject: Base64URLString;
    authenticatorData: Base64URLString;
    clientDataJSON: Base64URLString;
    publicKey?: Base64URLString;
    publicKeyAlgorithm: COSEAlgorithmIdentifier;
    transports: string[];
}

interface AuthenticatorSelectionCriteria {
    authenticatorAttachment?: AuthenticatorAttachment;
    requireResidentKey?: boolean;
    residentKey?: ResidentKeyRequirement;
    userVerification?: UserVerificationRequirement;
}

interface AvcEncoderConfig {
    format?: AvcBitstreamFormat;
}

interface BiquadFilterOptions extends AudioNodeOptions {
    Q?: number;
    detune?: number;
    frequency?: number;
    gain?: number;
    type?: BiquadFilterType;
}

interface BlobEventInit extends EventInit {
    data: Blob;
    timecode?: DOMHighResTimeStamp;
}

interface BlobPropertyBag {
    endings?: EndingType;
    type?: string;
}

interface CSSMatrixComponentOptions {
    is2D?: boolean;
}

interface CSSNumericType {
    angle?: number;
    flex?: number;
    frequency?: number;
    length?: number;
    percent?: number;
    percentHint?: CSSNumericBaseType;
    resolution?: number;
    time?: number;
}

interface CSSStyleSheetInit {
    baseURL?: string;
    disabled?: boolean;
    media?: MediaList | string;
}

interface CacheQueryOptions {
    ignoreMethod?: boolean;
    ignoreSearch?: boolean;
    ignoreVary?: boolean;
}

interface CanvasRenderingContext2DSettings {
    alpha?: boolean;
    colorSpace?: PredefinedColorSpace;
    desynchronized?: boolean;
    willReadFrequently?: boolean;
}

interface CaretPositionFromPointOptions {
    shadowRoots?: ShadowRoot[];
}

interface ChannelMergerOptions extends AudioNodeOptions {
    numberOfInputs?: number;
}

interface ChannelSplitterOptions extends AudioNodeOptions {
    numberOfOutputs?: number;
}

interface CheckVisibilityOptions {
    checkOpacity?: boolean;
    checkVisibilityCSS?: boolean;
    contentVisibilityAuto?: boolean;
    opacityProperty?: boolean;
    visibilityProperty?: boolean;
}

interface ClientQueryOptions {
    includeUncontrolled?: boolean;
    type?: ClientTypes;
}

interface ClipboardEventInit extends EventInit {
    clipboardData?: DataTransfer | null;
}

interface ClipboardItemOptions {
    presentationStyle?: PresentationStyle;
}

interface CloseEventInit extends EventInit {
    code?: number;
    reason?: string;
    wasClean?: boolean;
}

interface CommandEventInit extends EventInit {
    command?: string;
    source?: Element | null;
}

interface CompositionEventInit extends UIEventInit {
    data?: string;
}

interface ComputedEffectTiming extends EffectTiming {
    activeDuration?: CSSNumberish;
    currentIteration?: number | null;
    endTime?: CSSNumberish;
    localTime?: CSSNumberish | null;
    progress?: number | null;
    startTime?: CSSNumberish;
}

interface ComputedKeyframe {
    composite: CompositeOperationOrAuto;
    computedOffset: number;
    easing: string;
    offset: number | null;
    [property: string]: string | number | null | undefined;
}

interface ConstantSourceOptions {
    offset?: number;
}

interface ConstrainBooleanOrDOMStringParameters {
    exact?: boolean | string;
    ideal?: boolean | string;
}

interface ConstrainBooleanParameters {
    exact?: boolean;
    ideal?: boolean;
}

interface ConstrainDOMStringParameters {
    exact?: string | string[];
    ideal?: string | string[];
}

interface ConstrainDoubleRange extends DoubleRange {
    exact?: number;
    ideal?: number;
}

interface ConstrainULongRange extends ULongRange {
    exact?: number;
    ideal?: number;
}

interface ContentVisibilityAutoStateChangeEventInit extends EventInit {
    skipped?: boolean;
}

interface ConvolverOptions extends AudioNodeOptions {
    buffer?: AudioBuffer | null;
    disableNormalization?: boolean;
}

interface CookieChangeEventInit extends EventInit {
    changed?: CookieList;
    deleted?: CookieList;
}

interface CookieInit {
    domain?: string | null;
    expires?: DOMHighResTimeStamp | null;
    name: string;
    partitioned?: boolean;
    path?: string;
    sameSite?: CookieSameSite;
    value: string;
}

interface CookieListItem {
    name?: string;
    value?: string;
}

interface CookieStoreDeleteOptions {
    domain?: string | null;
    name: string;
    partitioned?: boolean;
    path?: string;
}

interface CookieStoreGetOptions {
    name?: string;
    url?: string;
}

interface CredentialCreationOptions {
    publicKey?: PublicKeyCredentialCreationOptions;
    signal?: AbortSignal;
}

interface CredentialPropertiesOutput {
    rk?: boolean;
}

interface CredentialRequestOptions {
    mediation?: CredentialMediationRequirement;
    publicKey?: PublicKeyCredentialRequestOptions;
    signal?: AbortSignal;
}

interface CryptoKeyPair {
    privateKey: CryptoKey;
    publicKey: CryptoKey;
}

interface CurrentUserDetailsOptions {
    displayName: string;
    name: string;
    rpId: string;
    userId: Base64URLString;
}

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

interface DOMMatrix2DInit {
    a?: number;
    b?: number;
    c?: number;
    d?: number;
    e?: number;
    f?: number;
    m11?: number;
    m12?: number;
    m21?: number;
    m22?: number;
    m41?: number;
    m42?: number;
}

interface DOMMatrixInit extends DOMMatrix2DInit {
    is2D?: boolean;
    m13?: number;
    m14?: number;
    m23?: number;
    m24?: number;
    m31?: number;
    m32?: number;
    m33?: number;
    m34?: number;
    m43?: number;
    m44?: number;
}

interface DOMPointInit {
    w?: number;
    x?: number;
    y?: number;
    z?: number;
}

interface DOMQuadInit {
    p1?: DOMPointInit;
    p2?: DOMPointInit;
    p3?: DOMPointInit;
    p4?: DOMPointInit;
}

interface DOMRectInit {
    height?: number;
    width?: number;
    x?: number;
    y?: number;
}

interface DelayOptions extends AudioNodeOptions {
    delayTime?: number;
    maxDelayTime?: number;
}

interface DeviceMotionEventAccelerationInit {
    x?: number | null;
    y?: number | null;
    z?: number | null;
}

interface DeviceMotionEventInit extends EventInit {
    acceleration?: DeviceMotionEventAccelerationInit;
    accelerationIncludingGravity?: DeviceMotionEventAccelerationInit;
    interval?: number;
    rotationRate?: DeviceMotionEventRotationRateInit;
}

interface DeviceMotionEventRotationRateInit {
    alpha?: number | null;
    beta?: number | null;
    gamma?: number | null;
}

interface DeviceOrientationEventInit extends EventInit {
    absolute?: boolean;
    alpha?: number | null;
    beta?: number | null;
    gamma?: number | null;
}

interface DisplayMediaStreamOptions {
    audio?: boolean | MediaTrackConstraints;
    video?: boolean | MediaTrackConstraints;
}

interface DocumentTimelineOptions {
    originTime?: DOMHighResTimeStamp;
}

interface DoubleRange {
    max?: number;
    min?: number;
}

interface DragEventInit extends MouseEventInit {
    dataTransfer?: DataTransfer | null;
}

interface DynamicsCompressorOptions extends AudioNodeOptions {
    attack?: number;
    knee?: number;
    ratio?: number;
    release?: number;
    threshold?: number;
}

interface EcKeyAlgorithm extends KeyAlgorithm {
    namedCurve: NamedCurve;
}

interface EcKeyGenParams extends Algorithm {
    namedCurve: NamedCurve;
}

interface EcKeyImportParams extends Algorithm {
    namedCurve: NamedCurve;
}

interface EcdhKeyDeriveParams extends Algorithm {
    public: CryptoKey;
}

interface EcdsaParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
}

interface EffectTiming {
    delay?: number;
    direction?: PlaybackDirection;
    duration?: number | CSSNumericValue | string;
    easing?: string;
    endDelay?: number;
    fill?: FillMode;
    iterationStart?: number;
    iterations?: number;
    playbackRate?: number;
}

interface ElementCreationOptions {
    customElementRegistry?: CustomElementRegistry | null;
    is?: string;
}

interface ElementDefinitionOptions {
    extends?: string;
}

interface EncodedAudioChunkInit {
    data: AllowSharedBufferSource;
    duration?: number;
    timestamp: number;
    transfer?: ArrayBuffer[];
    type: EncodedAudioChunkType;
}

interface EncodedAudioChunkMetadata {
    decoderConfig?: AudioDecoderConfig;
}

interface EncodedVideoChunkInit {
    data: AllowSharedBufferSource;
    duration?: number;
    timestamp: number;
    type: EncodedVideoChunkType;
}

interface EncodedVideoChunkMetadata {
    decoderConfig?: VideoDecoderConfig;
    svc?: SvcOutputMetadata;
}

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 EventModifierInit extends UIEventInit {
    altKey?: boolean;
    ctrlKey?: boolean;
    metaKey?: boolean;
    modifierAltGraph?: boolean;
    modifierCapsLock?: boolean;
    modifierFn?: boolean;
    modifierFnLock?: boolean;
    modifierHyper?: boolean;
    modifierNumLock?: boolean;
    modifierScrollLock?: boolean;
    modifierSuper?: boolean;
    modifierSymbol?: boolean;
    modifierSymbolLock?: boolean;
    shiftKey?: boolean;
}

interface EventSourceInit {
    withCredentials?: boolean;
}

interface FilePropertyBag extends BlobPropertyBag {
    lastModified?: number;
}

interface FileSystemCreateWritableOptions {
    keepExistingData?: boolean;
}

interface FileSystemFlags {
    create?: boolean;
    exclusive?: boolean;
}

interface FileSystemGetDirectoryOptions {
    create?: boolean;
}

interface FileSystemGetFileOptions {
    create?: boolean;
}

interface FileSystemRemoveOptions {
    recursive?: boolean;
}

interface FocusEventInit extends UIEventInit {
    relatedTarget?: EventTarget | null;
}

interface FocusOptions {
    focusVisible?: boolean;
    preventScroll?: boolean;
}

interface FontFaceDescriptors {
    ascentOverride?: string;
    descentOverride?: string;
    display?: FontDisplay;
    featureSettings?: string;
    lineGapOverride?: string;
    stretch?: string;
    style?: string;
    unicodeRange?: string;
    variationSettings?: string;
    weight?: string;
}

interface FontFaceSetLoadEventInit extends EventInit {
    fontfaces?: FontFace[];
}

interface FormDataEventInit extends EventInit {
    formData: FormData;
}

interface FullscreenOptions {
    navigationUI?: FullscreenNavigationUI;
}

interface GPUObjectDescriptorBase {
    label?: string;
}

interface GPUPipelineErrorInit {
    reason: GPUPipelineErrorReason;
}

interface GPUTextureViewDescriptor extends GPUObjectDescriptorBase {
    arrayLayerCount?: GPUIntegerCoordinate;
    aspect?: GPUTextureAspect;
    baseArrayLayer?: GPUIntegerCoordinate;
    baseMipLevel?: GPUIntegerCoordinate;
    dimension?: GPUTextureViewDimension;
    format?: GPUTextureFormat;
    mipLevelCount?: GPUIntegerCoordinate;
    usage?: GPUTextureUsageFlags;
}

interface GPUUncapturedErrorEventInit extends EventInit {
    error: GPUError;
}

interface GainOptions extends AudioNodeOptions {
    gain?: number;
}

interface GamepadEffectParameters {
    duration?: number;
    leftTrigger?: number;
    rightTrigger?: number;
    startDelay?: number;
    strongMagnitude?: number;
    weakMagnitude?: number;
}

interface GamepadEventInit extends EventInit {
    gamepad: Gamepad;
}

interface GetAnimationsOptions {
    subtree?: boolean;
}

interface GetComposedRangesOptions {
    shadowRoots?: ShadowRoot[];
}

interface GetHTMLOptions {
    serializableShadowRoots?: boolean;
    shadowRoots?: ShadowRoot[];
}

interface GetNotificationOptions {
    tag?: string;
}

interface GetRootNodeOptions {
    composed?: boolean;
}

interface HashChangeEventInit extends EventInit {
    newURL?: string;
    oldURL?: string;
}

interface HkdfParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
    info: BufferSource;
    salt: BufferSource;
}

interface HmacImportParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
    length?: number;
}

interface HmacKeyAlgorithm extends KeyAlgorithm {
    hash: KeyAlgorithm;
    length: number;
}

interface HmacKeyGenParams extends Algorithm {
    hash: HashAlgorithmIdentifier;
    length?: number;
}

interface IDBDatabaseInfo {
    name?: string;
    version?: number;
}

interface IDBIndexParameters {
    multiEntry?: boolean;
    unique?: boolean;
}

interface IDBObjectStoreParameters {
    autoIncrement?: boolean;
    keyPath?: string | string[] | null;
}

interface IDBTransactionOptions {
    durability?: IDBTransactionDurability;
}

interface IDBVersionChangeEventInit extends EventInit {
    newVersion?: number | null;
    oldVersion?: number;
}

interface IIRFilterOptions extends AudioNodeOptions {
    feedback: number[];
    feedforward: number[];
}

interface IdleRequestOptions {
    timeout?: number;
}

interface ImageBitmapOptions {
    colorSpaceConversion?: ColorSpaceConversion;
    imageOrientation?: ImageOrientation;
    premultiplyAlpha?: PremultiplyAlpha;
    resizeHeight?: number;
    resizeQuality?: ResizeQuality;
    resizeWidth?: number;
}

interface ImageBitmapRenderingContextSettings {
    alpha?: boolean;
}

interface ImageDataSettings {
    colorSpace?: PredefinedColorSpace;
    pixelFormat?: ImageDataPixelFormat;
}

interface ImageDecodeOptions {
    completeFramesOnly?: boolean;
    frameIndex?: number;
}

interface ImageDecodeResult {
    complete: boolean;
    image: VideoFrame;
}

interface ImageDecoderInit {
    colorSpaceConversion?: ColorSpaceConversion;
    data: ImageBufferSource;
    desiredHeight?: number;
    desiredWidth?: number;
    preferAnimation?: boolean;
    transfer?: ArrayBuffer[];
    type: string;
}

interface ImageEncodeOptions {
    quality?: number;
    type?: string;
}

interface ImportNodeOptions {
    customElementRegistry?: CustomElementRegistry;
    selfOnly?: boolean;
}

interface InputEventInit extends UIEventInit {
    data?: string | null;
    dataTransfer?: DataTransfer | null;
    inputType?: string;
    isComposing?: boolean;
    targetRanges?: StaticRange[];
}

interface IntersectionObserverInit {
    root?: Element | Document | null;
    rootMargin?: string;
    scrollMargin?: string;
    threshold?: number | number[];
}

interface JsonWebKey {
    alg?: string;
    crv?: string;
    d?: string;
    dp?: string;
    dq?: string;
    e?: string;
    ext?: boolean;
    k?: string;
    key_ops?: string[];
    kty?: string;
    n?: string;
    oth?: RsaOtherPrimesInfo[];
    p?: string;
    q?: string;
    qi?: string;
    use?: string;
    x?: string;
    y?: string;
}

interface KeyAlgorithm {
    name: string;
}

interface KeySystemTrackConfiguration {
    robustness?: string;
}

interface KeyboardEventInit extends EventModifierInit {
    /** @deprecated `charCode` is inconsistent across environments, consider using `key` instead. */
    charCode?: number;
    code?: string;
    isComposing?: boolean;
    key?: string;
    /** @deprecated `keyCode` is inconsistent across environments, consider using `key` instead. */
    keyCode?: number;
    location?: number;
    repeat?: boolean;
}

interface Keyframe {
    composite?: CompositeOperationOrAuto;
    easing?: string;
    offset?: number | null;
    [property: string]: string | number | null | undefined;
}

interface KeyframeAnimationOptions extends KeyframeEffectOptions {
    id?: string;
    rangeEnd?: TimelineRangeOffset | CSSNumericValue | CSSKeywordValue | string;
    rangeStart?: TimelineRangeOffset | CSSNumericValue | CSSKeywordValue | string;
    timeline?: AnimationTimeline | null;
}

interface KeyframeEffectOptions extends EffectTiming {
    composite?: CompositeOperation;
    iterationComposite?: IterationCompositeOperation;
    pseudoElement?: string | null;
}

interface LockInfo {
    clientId?: string;
    mode?: LockMode;
    name?: string;
}

interface LockManagerSnapshot {
    held?: LockInfo[];
    pending?: LockInfo[];
}

interface LockOptions {
    ifAvailable?: boolean;
    mode?: LockMode;
    signal?: AbortSignal;
    steal?: boolean;
}

interface MIDIConnectionEventInit extends EventInit {
    port?: MIDIPort;
}

interface MIDIMessageEventInit extends EventInit {
    data?: Uint8Array<ArrayBuffer>;
}

interface MIDIOptions {
    software?: boolean;
    sysex?: boolean;
}

interface MediaCapabilitiesDecodingInfo extends MediaCapabilitiesInfo {
    keySystemAccess: MediaKeySystemAccess | null;
}

interface MediaCapabilitiesEncodingInfo extends MediaCapabilitiesInfo {
}

interface MediaCapabilitiesInfo {
    powerEfficient: boolean;
    smooth: boolean;
    supported: boolean;
}

interface MediaCapabilitiesKeySystemConfiguration {
    audio?: KeySystemTrackConfiguration;
    distinctiveIdentifier?: MediaKeysRequirement;
    initDataType?: string;
    keySystem: string;
    persistentState?: MediaKeysRequirement;
    sessionTypes?: string[];
    video?: KeySystemTrackConfiguration;
}

interface MediaConfiguration {
    audio?: AudioConfiguration;
    video?: VideoConfiguration;
}

interface MediaDecodingConfiguration extends MediaConfiguration {
    keySystemConfiguration?: MediaCapabilitiesKeySystemConfiguration;
    type: MediaDecodingType;
}

interface MediaElementAudioSourceOptions {
    mediaElement: HTMLMediaElement;
}

interface MediaEncodingConfiguration extends MediaConfiguration {
    type: MediaEncodingType;
}

interface MediaEncryptedEventInit extends EventInit {
    initData?: ArrayBuffer | null;
    initDataType?: string;
}

interface MediaImage {
    sizes?: string;
    src: string;
    type?: string;
}

interface MediaKeyMessageEventInit extends EventInit {
    message: ArrayBuffer;
    messageType: MediaKeyMessageType;
}

interface MediaKeySystemConfiguration {
    audioCapabilities?: MediaKeySystemMediaCapability[];
    distinctiveIdentifier?: MediaKeysRequirement;
    initDataTypes?: string[];
    label?: string;
    persistentState?: MediaKeysRequirement;
    sessionTypes?: string[];
    videoCapabilities?: MediaKeySystemMediaCapability[];
}

interface MediaKeySystemMediaCapability {
    contentType?: string;
    encryptionScheme?: string | null;
    robustness?: string;
}

interface MediaKeysPolicy {
    minHdcpVersion?: string;
}

interface MediaMetadataInit {
    album?: string;
    artist?: string;
    artwork?: MediaImage[];
    title?: string;
}

interface MediaPositionState {
    duration?: number;
    playbackRate?: number;
    position?: number;
}

interface MediaQueryListEventInit extends EventInit {
    matches?: boolean;
    media?: string;
}

interface MediaRecorderOptions {
    audioBitsPerSecond?: number;
    bitsPerSecond?: number;
    mimeType?: string;
    videoBitsPerSecond?: number;
}

interface MediaSessionActionDetails {
    action: MediaSessionAction;
    fastSeek?: boolean;
    seekOffset?: number;
    seekTime?: number;
}

interface MediaSettingsRange {
    max?: number;
    min?: number;
    step?: number;
}

interface MediaStreamAudioSourceOptions {
    mediaStream: MediaStream;
}

interface MediaStreamConstraints {
    audio?: boolean | MediaTrackConstraints;
    peerIdentity?: string;
    preferCurrentTab?: boolean;
    video?: boolean | MediaTrackConstraints;
}

interface MediaStreamTrackEventInit extends EventInit {
    track: MediaStreamTrack;
}

interface MediaTrackCapabilities {
    aspectRatio?: DoubleRange;
    autoGainControl?: boolean[];
    backgroundBlur?: boolean[];
    channelCount?: ULongRange;
    deviceId?: string;
    displaySurface?: string;
    echoCancellation?: (boolean | string)[];
    facingMode?: string[];
    frameRate?: DoubleRange;
    groupId?: string;
    height?: ULongRange;
    noiseSuppression?: boolean[];
    sampleRate?: ULongRange;
    sampleSize?: ULongRange;
    width?: ULongRange;
}

interface MediaTrackConstraintSet {
    aspectRatio?: ConstrainDouble;
    autoGainControl?: ConstrainBoolean;
    backgroundBlur?: ConstrainBoolean;
    channelCount?: ConstrainULong;
    deviceId?: ConstrainDOMString;
    displaySurface?: ConstrainDOMString;
    echoCancellation?: ConstrainBooleanOrDOMString;
    facingMode?: ConstrainDOMString;
    frameRate?: ConstrainDouble;
    groupId?: ConstrainDOMString;
    height?: ConstrainULong;
    noiseSuppression?: ConstrainBoolean;
    sampleRate?: ConstrainULong;
    sampleSize?: ConstrainULong;
    width?: ConstrainULong;
}

interface MediaTrackConstraints extends MediaTrackConstraintSet {
    advanced?: MediaTrackConstraintSet[];
}

interface MediaTrackSettings {
    aspectRatio?: number;
    autoGainControl?: boolean;
    backgroundBlur?: boolean;
    channelCount?: number;
    deviceId?: string;
    displaySurface?: string;
    echoCancellation?: boolean | string;
    facingMode?: string;
    frameRate?: number;
    groupId?: string;
    height?: number;
    noiseSuppression?: boolean;
    sampleRate?: number;
    sampleSize?: number;
    torch?: boolean;
    whiteBalanceMode?: string;
    width?: number;
    zoom?: number;
}

interface MediaTrackSupportedConstraints {
    aspectRatio?: boolean;
    autoGainControl?: boolean;
    backgroundBlur?: boolean;
    channelCount?: boolean;
    deviceId?: boolean;
    displaySurface?: boolean;
    echoCancellation?: boolean;
    facingMode?: boolean;
    frameRate?: boolean;
    groupId?: boolean;
    height?: boolean;
    noiseSuppression?: boolean;
    sampleRate?: boolean;
    sampleSize?: boolean;
    width?: boolean;
}

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

interface MouseEventInit extends EventModifierInit {
    button?: number;
    buttons?: number;
    clientX?: number;
    clientY?: number;
    movementX?: number;
    movementY?: number;
    relatedTarget?: EventTarget | null;
    screenX?: number;
    screenY?: number;
}

interface MultiCacheQueryOptions extends CacheQueryOptions {
    cacheName?: string;
}

interface MutationObserverInit {
    /** Set to a list of attribute local names (without namespace) if not all attribute mutations need to be observed and attributes is true or omitted. */
    attributeFilter?: string[];
    /** Set to true if attributes is true or omitted and target's attribute value before the mutation needs to be recorded. */
    attributeOldValue?: boolean;
    /** Set to true if mutations to target's attributes are to be observed. Can be omitted if attributeOldValue or attributeFilter is specified. */
    attributes?: boolean;
    /** Set to true if mutations to target's data are to be observed. Can be omitted if characterDataOldValue is specified. */
    characterData?: boolean;
    /** Set to true if characterData is set to true or omitted and target's data before the mutation needs to be recorded. */
    characterDataOldValue?: boolean;
    /** Set to true if mutations to target's children are to be observed. */
    childList?: boolean;
    /** Set to true if mutations to not just target, but also target's descendants are to be observed. */
    subtree?: boolean;
}

interface NavigateEventInit extends EventInit {
    canIntercept?: boolean;
    destination: NavigationDestination;
    downloadRequest?: string | null;
    formData?: FormData | null;
    hasUAVisualTransition?: boolean;
    hashChange?: boolean;
    info?: any;
    navigationType?: NavigationType;
    signal: AbortSignal;
    sourceElement?: Element | null;
    userInitiated?: boolean;
}

interface NavigationCurrentEntryChangeEventInit extends EventInit {
    from: NavigationHistoryEntry;
    navigationType?: NavigationType | null;
}

interface NavigationInterceptOptions {
    focusReset?: NavigationFocusReset;
    handler?: NavigationInterceptHandler;
    precommitHandler?: NavigationPrecommitHandler;
    scroll?: NavigationScrollBehavior;
}

interface NavigationNavigateOptions extends NavigationOptions {
    history?: NavigationHistoryBehavior;
    state?: any;
}

interface NavigationOptions {
    info?: any;
}

interface NavigationPreloadState {
    enabled?: boolean;
    headerValue?: string;
}

interface NavigationReloadOptions extends NavigationOptions {
    state?: any;
}

interface NavigationResult {
    committed?: Promise<NavigationHistoryEntry>;
    finished?: Promise<NavigationHistoryEntry>;
}

interface NavigationUpdateCurrentEntryOptions {
    state: any;
}

interface NotificationOptions {
    badge?: string;
    body?: string;
    data?: any;
    dir?: NotificationDirection;
    icon?: string;
    lang?: string;
    requireInteraction?: boolean;
    silent?: boolean | null;
    tag?: string;
}

interface OfflineAudioCompletionEventInit extends EventInit {
    renderedBuffer: AudioBuffer;
}

interface OfflineAudioContextOptions {
    length: number;
    numberOfChannels?: number;
    sampleRate: number;
}

interface OptionalEffectTiming {
    delay?: number;
    direction?: PlaybackDirection;
    duration?: number | string;
    easing?: string;
    endDelay?: number;
    fill?: FillMode;
    iterationStart?: number;
    iterations?: number;
    playbackRate?: number;
}

interface OpusEncoderConfig {
    complexity?: number;
    format?: OpusBitstreamFormat;
    frameDuration?: number;
    packetlossperc?: number;
    usedtx?: boolean;
    useinbandfec?: boolean;
}

interface OscillatorOptions extends AudioNodeOptions {
    detune?: number;
    frequency?: number;
    periodicWave?: PeriodicWave;
    type?: OscillatorType;
}

interface PageRevealEventInit extends EventInit {
    viewTransition?: ViewTransition | null;
}

interface PageSwapEventInit extends EventInit {
    activation?: NavigationActivation | null;
    viewTransition?: ViewTransition | null;
}

interface PageTransitionEventInit extends EventInit {
    persisted?: boolean;
}

interface PannerOptions extends AudioNodeOptions {
    coneInnerAngle?: number;
    coneOuterAngle?: number;
    coneOuterGain?: number;
    distanceModel?: DistanceModelType;
    maxDistance?: number;
    orientationX?: number;
    orientationY?: number;
    orientationZ?: number;
    panningModel?: PanningModelType;
    positionX?: number;
    positionY?: number;
    positionZ?: number;
    refDistance?: number;
    rolloffFactor?: number;
}

interface PayerErrors {
    email?: string;
    name?: string;
    phone?: string;
}

interface PaymentCurrencyAmount {
    currency: string;
    value: string;
}

interface PaymentDetailsBase {
    displayItems?: PaymentItem[];
    modifiers?: PaymentDetailsModifier[];
    shippingOptions?: PaymentShippingOption[];
}

interface PaymentDetailsInit extends PaymentDetailsBase {
    id?: string;
    total: PaymentItem;
}

interface PaymentDetailsModifier {
    additionalDisplayItems?: PaymentItem[];
    data?: any;
    supportedMethods: string;
    total?: PaymentItem;
}

interface PaymentDetailsUpdate extends PaymentDetailsBase {
    error?: string;
    paymentMethodErrors?: any;
    shippingAddressErrors?: AddressErrors;
    total?: PaymentItem;
}

interface PaymentItem {
    amount: PaymentCurrencyAmount;
    label: string;
    pending?: boolean;
}

interface PaymentMethodChangeEventInit extends PaymentRequestUpdateEventInit {
    methodDetails?: any;
    methodName?: string;
}

interface PaymentMethodData {
    data?: any;
    supportedMethods: string;
}

interface PaymentOptions {
    requestPayerEmail?: boolean;
    requestPayerName?: boolean;
    requestPayerPhone?: boolean;
    requestShipping?: boolean;
    shippingType?: PaymentShippingType;
}

interface PaymentRequestUpdateEventInit extends EventInit {
}

interface PaymentShippingOption {
    amount: PaymentCurrencyAmount;
    id: string;
    label: string;
    selected?: boolean;
}

interface PaymentValidationErrors {
    error?: string;
    payer?: PayerErrors;
    shippingAddress?: AddressErrors;
}

interface Pbkdf2Params extends Algorithm {
    hash: HashAlgorithmIdentifier;
    iterations: number;
    salt: BufferSource;
}

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 PeriodicWaveConstraints {
    disableNormalization?: boolean;
}

interface PeriodicWaveOptions extends PeriodicWaveConstraints {
    imag?: number[] | Float32Array;
    real?: number[] | Float32Array;
}

interface PermissionDescriptor {
    name: PermissionName;
}

interface PhotoCapabilities {
    fillLightMode?: FillLightMode[];
    imageHeight?: MediaSettingsRange;
    imageWidth?: MediaSettingsRange;
    redEyeReduction?: RedEyeReduction;
}

interface PhotoSettings {
    fillLightMode?: FillLightMode;
    imageHeight?: number;
    imageWidth?: number;
    redEyeReduction?: boolean;
}

interface PictureInPictureEventInit extends EventInit {
    pictureInPictureWindow: PictureInPictureWindow;
}

interface PlaneLayout {
    offset: number;
    stride: number;
}

interface PointerEventInit extends MouseEventInit {
    altitudeAngle?: number;
    azimuthAngle?: number;
    coalescedEvents?: PointerEvent[];
    height?: number;
    isPrimary?: boolean;
    pointerId?: number;
    pointerType?: string;
    predictedEvents?: PointerEvent[];
    pressure?: number;
    tangentialPressure?: number;
    tiltX?: number;
    tiltY?: number;
    twist?: number;
    width?: number;
}

interface PointerLockOptions {
    unadjustedMovement?: boolean;
}

interface PopStateEventInit extends EventInit {
    hasUAVisualTransition?: boolean;
    state?: any;
}

interface PositionOptions {
    enableHighAccuracy?: boolean;
    maximumAge?: number;
    timeout?: number;
}

interface ProgressEventInit extends EventInit {
    lengthComputable?: boolean;
    loaded?: number;
    total?: number;
}

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

interface PropertyDefinition {
    inherits: boolean;
    initialValue?: string;
    name: string;
    syntax?: string;
}

interface PropertyIndexedKeyframes {
    composite?: CompositeOperationOrAuto | CompositeOperationOrAuto[];
    easing?: string | string[];
    offset?: number | (number | null)[];
    [property: string]: string | string[] | number | null | (number | null)[] | undefined;
}

interface PublicKeyCredentialCreationOptions {
    attestation?: AttestationConveyancePreference;
    authenticatorSelection?: AuthenticatorSelectionCriteria;
    challenge: BufferSource;
    excludeCredentials?: PublicKeyCredentialDescriptor[];
    extensions?: AuthenticationExtensionsClientInputs;
    pubKeyCredParams: PublicKeyCredentialParameters[];
    rp: PublicKeyCredentialRpEntity;
    timeout?: number;
    user: PublicKeyCredentialUserEntity;
}

interface PublicKeyCredentialCreationOptionsJSON {
    attestation?: string;
    authenticatorSelection?: AuthenticatorSelectionCriteria;
    challenge: Base64URLString;
    excludeCredentials?: PublicKeyCredentialDescriptorJSON[];
    extensions?: AuthenticationExtensionsClientInputsJSON;
    hints?: string[];
    pubKeyCredParams: PublicKeyCredentialParameters[];
    rp: PublicKeyCredentialRpEntity;
    timeout?: number;
    user: PublicKeyCredentialUserEntityJSON;
}

interface PublicKeyCredentialDescriptor {
    id: BufferSource;
    transports?: AuthenticatorTransport[];
    type: PublicKeyCredentialType;
}

interface PublicKeyCredentialDescriptorJSON {
    id: Base64URLString;
    transports?: string[];
    type: string;
}

interface PublicKeyCredentialEntity {
    name: string;
}

interface PublicKeyCredentialParameters {
    alg: COSEAlgorithmIdentifier;
    type: PublicKeyCredentialType;
}

interface PublicKeyCredentialRequestOptions {
    allowCredentials?: PublicKeyCredentialDescriptor[];
    challenge: BufferSource;
    extensions?: AuthenticationExtensionsClientInputs;
    rpId?: string;
    timeout?: number;
    userVerification?: UserVerificationRequirement;
}

interface PublicKeyCredentialRequestOptionsJSON {
    allowCredentials?: PublicKeyCredentialDescriptorJSON[];
    challenge: Base64URLString;
    extensions?: AuthenticationExtensionsClientInputsJSON;
    hints?: string[];
    rpId?: string;
    timeout?: number;
    userVerification?: string;
}

interface PublicKeyCredentialRpEntity extends PublicKeyCredentialEntity {
    id?: string;
}

interface PublicKeyCredentialUserEntity extends PublicKeyCredentialEntity {
    displayName: string;
    id: BufferSource;
}

interface PublicKeyCredentialUserEntityJSON {
    displayName: string;
    id: Base64URLString;
    name: string;
}

interface PushSubscriptionJSON {
    endpoint?: string;
    expirationTime?: EpochTimeStamp | null;
    keys?: Record<string, string>;
}

interface PushSubscriptionOptionsInit {
    applicationServerKey?: BufferSource | string | null;
    userVisibleOnly?: boolean;
}

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 RTCAnswerOptions extends RTCOfferAnswerOptions {
}

interface RTCCertificateExpiration {
    expires?: number;
}

interface RTCConfiguration {
    bundlePolicy?: RTCBundlePolicy;
    certificates?: RTCCertificate[];
    iceCandidatePoolSize?: number;
    iceServers?: RTCIceServer[];
    iceTransportPolicy?: RTCIceTransportPolicy;
    rtcpMuxPolicy?: RTCRtcpMuxPolicy;
}

interface RTCDTMFToneChangeEventInit extends EventInit {
    tone?: string;
}

interface RTCDataChannelEventInit extends EventInit {
    channel: RTCDataChannel;
}

interface RTCDataChannelInit {
    id?: number;
    maxPacketLifeTime?: number;
    maxRetransmits?: number;
    negotiated?: boolean;
    ordered?: boolean;
    protocol?: string;
}

interface RTCDtlsFingerprint {
    algorithm?: string;
    value?: string;
}

interface RTCEncodedAudioFrameMetadata extends RTCEncodedFrameMetadata {
    sequenceNumber?: number;
}

interface RTCEncodedFrameMetadata {
    contributingSources?: number[];
    mimeType?: string;
    payloadType?: number;
    rtpTimestamp?: number;
    synchronizationSource?: number;
}

interface RTCEncodedVideoFrameMetadata extends RTCEncodedFrameMetadata {
    dependencies?: number[];
    frameId?: number;
    height?: number;
    spatialIndex?: number;
    temporalIndex?: number;
    timestamp?: number;
    width?: number;
}

interface RTCErrorEventInit extends EventInit {
    error: RTCError;
}

interface RTCErrorInit {
    errorDetail: RTCErrorDetailType;
    httpRequestStatusCode?: number;
    receivedAlert?: number;
    sctpCauseCode?: number;
    sdpLineNumber?: number;
    sentAlert?: number;
}

interface RTCIceCandidateInit {
    candidate?: string;
    sdpMLineIndex?: number | null;
    sdpMid?: string | null;
    usernameFragment?: string | null;
}

interface RTCIceCandidatePairStats extends RTCStats {
    availableIncomingBitrate?: number;
    availableOutgoingBitrate?: number;
    bytesDiscardedOnSend?: number;
    bytesReceived?: number;
    bytesSent?: number;
    consentRequestsSent?: number;
    currentRoundTripTime?: number;
    lastPacketReceivedTimestamp?: DOMHighResTimeStamp;
    lastPacketSentTimestamp?: DOMHighResTimeStamp;
    localCandidateId: string;
    nominated?: boolean;
    packetsDiscardedOnSend?: number;
    packetsReceived?: number;
    packetsSent?: number;
    remoteCandidateId: string;
    requestsReceived?: number;
    requestsSent?: number;
    responsesReceived?: number;
    responsesSent?: number;
    state: RTCStatsIceCandidatePairState;
    totalRoundTripTime?: number;
    transportId: string;
}

interface RTCIceServer {
    credential?: string;
    urls: string | string[];
    username?: string;
}

interface RTCInboundRtpStreamStats extends RTCReceivedRtpStreamStats {
    audioLevel?: number;
    bytesReceived?: number;
    concealedSamples?: number;
    concealmentEvents?: number;
    decoderImplementation?: string;
    estimatedPlayoutTimestamp?: DOMHighResTimeStamp;
    fecBytesReceived?: number;
    fecPacketsDiscarded?: number;
    fecPacketsReceived?: number;
    fecSsrc?: number;
    firCount?: number;
    frameHeight?: number;
    frameWidth?: number;
    framesAssembledFromMultiplePackets?: number;
    framesDecoded?: number;
    framesDropped?: number;
    framesPerSecond?: number;
    framesReceived?: number;
    framesRendered?: number;
    freezeCount?: number;
    headerBytesReceived?: number;
    insertedSamplesForDeceleration?: number;
    jitterBufferDelay?: number;
    jitterBufferEmittedCount?: number;
    jitterBufferMinimumDelay?: number;
    jitterBufferTargetDelay?: number;
    keyFramesDecoded?: number;
    lastPacketReceivedTimestamp?: DOMHighResTimeStamp;
    mid?: string;
    nackCount?: number;
    packetsDiscarded?: number;
    pauseCount?: number;
    playoutId?: string;
    pliCount?: number;
    qpSum?: number;
    remoteId?: string;
    removedSamplesForAcceleration?: number;
    retransmittedBytesReceived?: number;
    retransmittedPacketsReceived?: number;
    rtxSsrc?: number;
    silentConcealedSamples?: number;
    totalAssemblyTime?: number;
    totalAudioEnergy?: number;
    totalDecodeTime?: number;
    totalFreezesDuration?: number;
    totalInterFrameDelay?: number;
    totalPausesDuration?: number;
    totalProcessingDelay?: number;
    totalSamplesDuration?: number;
    totalSamplesReceived?: number;
    totalSquaredInterFrameDelay?: number;
    trackIdentifier: string;
}

interface RTCLocalIceCandidateInit extends RTCIceCandidateInit {
}

interface RTCLocalSessionDescriptionInit {
    sdp?: string;
    type?: RTCSdpType;
}

interface RTCOfferAnswerOptions {
}

interface RTCOfferOptions extends RTCOfferAnswerOptions {
    iceRestart?: boolean;
    offerToReceiveAudio?: boolean;
    offerToReceiveVideo?: boolean;
}

interface RTCOutboundRtpStreamStats extends RTCSentRtpStreamStats {
    active?: boolean;
    firCount?: number;
    frameHeight?: number;
    frameWidth?: number;
    framesEncoded?: number;
    framesPerSecond?: number;
    framesSent?: number;
    headerBytesSent?: number;
    hugeFramesSent?: number;
    keyFramesEncoded?: number;
    mediaSourceId?: string;
    mid?: string;
    nackCount?: number;
    pliCount?: number;
    qpSum?: number;
    qualityLimitationDurations?: Record<string, number>;
    qualityLimitationReason?: RTCQualityLimitationReason;
    qualityLimitationResolutionChanges?: number;
    remoteId?: string;
    retransmittedBytesSent?: number;
    retransmittedPacketsSent?: number;
    rid?: string;
    rtxSsrc?: number;
    scalabilityMode?: string;
    targetBitrate?: number;
    totalEncodeTime?: number;
    totalEncodedBytesTarget?: number;
    totalPacketSendDelay?: number;
}

interface RTCPeerConnectionIceErrorEventInit extends EventInit {
    address?: string | null;
    errorCode: number;
    errorText?: string;
    port?: number | null;
    url?: string;
}

interface RTCPeerConnectionIceEventInit extends EventInit {
    candidate?: RTCIceCandidate | null;
}

interface RTCReceivedRtpStreamStats extends RTCRtpStreamStats {
    jitter?: number;
    packetsLost?: number;
    packetsReceived?: number;
}

interface RTCRtcpParameters {
    cname?: string;
    reducedSize?: boolean;
}

interface RTCRtpCapabilities {
    codecs: RTCRtpCodec[];
    headerExtensions: RTCRtpHeaderExtensionCapability[];
}

interface RTCRtpCodec {
    channels?: number;
    clockRate: number;
    mimeType: string;
    sdpFmtpLine?: string;
}

interface RTCRtpCodecParameters extends RTCRtpCodec {
    payloadType: number;
}

interface RTCRtpCodingParameters {
    rid?: string;
}

interface RTCRtpContributingSource {
    audioLevel?: number;
    rtpTimestamp: number;
    source: number;
    timestamp: DOMHighResTimeStamp;
}

interface RTCRtpEncodingParameters extends RTCRtpCodingParameters {
    active?: boolean;
    maxBitrate?: number;
    maxFramerate?: number;
    networkPriority?: RTCPriorityType;
    priority?: RTCPriorityType;
    scaleResolutionDownBy?: number;
}

interface RTCRtpHeaderExtensionCapability {
    uri: string;
}

interface RTCRtpHeaderExtensionParameters {
    encrypted?: boolean;
    id: number;
    uri: string;
}

interface RTCRtpParameters {
    codecs: RTCRtpCodecParameters[];
    headerExtensions: RTCRtpHeaderExtensionParameters[];
    rtcp: RTCRtcpParameters;
}

interface RTCRtpReceiveParameters extends RTCRtpParameters {
}

interface RTCRtpSendParameters extends RTCRtpParameters {
    degradationPreference?: RTCDegradationPreference;
    encodings: RTCRtpEncodingParameters[];
    transactionId: string;
}

interface RTCRtpStreamStats extends RTCStats {
    codecId?: string;
    kind: string;
    ssrc: number;
    transportId?: string;
}

interface RTCRtpSynchronizationSource extends RTCRtpContributingSource {
}

interface RTCRtpTransceiverInit {
    direction?: RTCRtpTransceiverDirection;
    sendEncodings?: RTCRtpEncodingParameters[];
    streams?: MediaStream[];
}

interface RTCSentRtpStreamStats extends RTCRtpStreamStats {
    bytesSent?: number;
    packetsSent?: number;
}

interface RTCSessionDescriptionInit {
    sdp?: string;
    type: RTCSdpType;
}

interface RTCSetParameterOptions {
}

interface RTCStats {
    id: string;
    timestamp: DOMHighResTimeStamp;
    type: RTCStatsType;
}

interface RTCTrackEventInit extends EventInit {
    receiver: RTCRtpReceiver;
    streams?: MediaStream[];
    track: MediaStreamTrack;
    transceiver: RTCRtpTransceiver;
}

interface RTCTransportStats extends RTCStats {
    bytesReceived?: number;
    bytesSent?: number;
    dtlsCipher?: string;
    dtlsRole?: RTCDtlsRole;
    dtlsState: RTCDtlsTransportState;
    iceLocalUsernameFragment?: string;
    iceRole?: RTCIceRole;
    iceState?: RTCIceTransportState;
    localCertificateId?: string;
    packetsReceived?: number;
    packetsSent?: number;
    remoteCertificateId?: string;
    selectedCandidatePairChanges?: number;
    selectedCandidatePairId?: string;
    srtpCipher?: string;
    tlsVersion?: string;
}

interface ReadableStreamBYOBReaderReadOptions {
    min?: 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 whic