/**
 * Fallback resolver for MPEG-DASH manifests that Shaka Player refuses to load.
 *
 * Some valid-but-under-specified DASH manifests declare each Representation as a
 * single self-contained file via a bare <BaseURL>, with NO <SegmentBase>,
 * <SegmentList>, or <SegmentTemplate>. The DASH spec lets a player treat that
 * file as one segment and read its internal `sidx` index, which is exactly what
 * dash.js does — but Shaka is strict and skips every such Representation
 * ("Representation does not contain a segment information source"), failing the
 * whole load with DASH_EMPTY_PERIOD (4004).
 *
 * Those files are just ordinary (fragmented) MP4s, which the player's FFmpeg
 * demuxer reads natively. This module probes the manifest and, when it finds the
 * bare-BaseURL case, resolves the best video file URL plus (for demuxed content)
 * the separate audio file URL, so the caller can play them through the demuxer
 * (+ a native <audio> element for the split audio).
 *
 * Returns null when the manifest has proper segment info (so Shaka's failure was
 * for some other reason and this fallback wouldn't help).
 */
export interface DashFallbackPlan {
    /** Single-file video (or muxed) Representation to feed the demuxer. */
    videoUrl: string;
    /** Separate audio file for demuxed content; omitted when muxed/audio-only. */
    audioUrl?: string;
}
/**
 * Probe a DASH manifest for the bare-BaseURL single-file case. Returns the video
 * (and any separate audio) file URLs, or null if it's not that case.
 */
export declare function analyzeDashFallback(manifestUrl: string, headers?: Record<string, string>): Promise<DashFallbackPlan | null>;
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