/// <reference types="dom-webcodecs" />
/** @ignore */
export declare const nextTask: () => Promise<unknown>;
/** @ignore */
export declare const nextTick: (dur?: number) => Promise<unknown>;
/** @ignore */
export declare const next: (dur?: number) => Promise<unknown>;
export declare const cloneAudioData: (data: AudioData, init: Partial<AudioDataInit>) => AudioData;
export declare const getContainerFromMimeType: (mimeType: string) => "webm" | "mp4" | "gif" | undefined;
export declare const getCodecFromMimeType: (mimeType: string) => {
    videoCodec: any;
    audioCodec: any;
};