import { type MediaRequestInit } from './request-init';
export declare const getSinkCacheKey: ({ src, credentials, requestInit, }: {
    src: string;
    credentials: RequestCredentials | undefined;
    requestInit: MediaRequestInit | undefined;
}) => string;
export declare const makeSinkManager: () => {
    getSink: (src: string, logLevel: "error" | "info" | "trace" | "verbose" | "warn", credentials: RequestCredentials | undefined, requestInit: MediaRequestInit | undefined) => Promise<{
        getVideo: () => Promise<import("./video-extraction/get-frames-since-keyframe").VideoSinkResult>;
        getAudio: (index: number | null) => Promise<import("./video-extraction/get-frames-since-keyframe").AudioSinkResult>;
        actualMatroskaTimestamps: {
            observeTimestamp: (startTime: number) => void;
            getRealTimestamp: (observedTimestamp: number) => number | null;
        };
        isMatroska: boolean;
        getDuration: () => Promise<number>;
    }>;
    dispose: () => void;
};
export type SinkManager = ReturnType<typeof makeSinkManager>;