import type { Playlist } from '../../core/playlist';
import type { PlaylistSegment, TrackSamples } from '../../core/types';
import type { TimelineClock } from '../../core/timeline';
import { type Normalizer } from '../../core/normalize';
export interface SegmentTrackState {
    /** Columnar track data for the current segment (may contain multiple named tracks). */
    tracks: Map<string, TrackSamples>;
    /** Which segment produced `tracks`, or null when nothing has loaded yet. */
    segment: PlaylistSegment | null;
    loading: boolean;
    error: Error | null;
}
export interface SegmentTrackOptions<T = unknown> {
    /**
     * Convert the decoded current segment into columnar track samples.
     * Default: `samplesNormalizer` — expects JSONL lines shaped `{ts, data}`.
     */
    normalize?: Normalizer<T>;
}
/**
 * Normalize the **current segment only** into columnar `{times, values, stride}`
 * tracks. No merging across segment boundaries.
 *
 * Use when:
 *  - you want ordered samples for fast binary-search lookup inside one chunk
 *  - you're OK with discontinuities at chunk boundaries (events, previews)
 *  - you want to drive your own cross-segment logic
 *
 * For smooth scrubbing with interpolation across chunk boundaries, use
 * `useMergedTrack` instead.
 */
export declare function useSegmentTrack<T = unknown>(engine: Playlist | null, clock?: TimelineClock | null, options?: SegmentTrackOptions<T>): SegmentTrackState;
//# sourceMappingURL=use-segment-track.d.ts.map