import type { SourceAdapter } from "./SourceAdapter";
/**
 * SourceAdapter for a MULTI-SEGMENT multiplexed DASH representation: an init
 * segment followed by media segments that, concatenated, form one fragmented
 * MP4 the FFmpeg demuxer reads natively. Used only when the muxed content is
 * split across separate segment files (SegmentTemplate / SegmentList `media`);
 * the common single-file case (SegmentBase / byte-range SegmentList) goes
 * through HttpSource directly instead.
 *
 * Segments are fetched eagerly on first access and concatenated in memory. This
 * keeps reads/seeks trivial (multiplexed multi-segment streams are rare and
 * typically short demo clips); a streaming/windowed version can come later if a
 * large one ever shows up.
 */
export declare class DashSegmentSource implements SourceAdapter {
    private urls;
    private headers;
    private buffer;
    private size;
    private position;
    private loadPromise;
    constructor(initUrl: string | null, mediaUrls: string[], headers?: Record<string, string>);
    private ensureLoaded;
    private loadAll;
    getSize(): Promise<number>;
    read(offset: number, length: number): Promise<ArrayBuffer>;
    seek(offset: number): number;
    getPosition(): number;
    close(): void;
    getKey(): string;
}
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