import type { Playlist } from '../../core/playlist';
import type { SegmentState } from '../../core/types';
import type { TimelineClock } from '../../core/timeline';
/**
 * React hook that returns decoded segment data for the current time.
 *
 * Tracks segment boundaries locally (per-hook, per-playlist) — does NOT
 * rely on a global clock event. This means multiple useSegment hooks with
 * different playlists on the same clock work correctly.
 *
 * Re-renders only when the active segment changes, plus at ~4fps for
 * boundary checking during playback.
 *
 * Clock is resolved from the explicit argument or `<ClockProvider>`.
 */
export declare function useSegment<T = unknown>(engine: Playlist | null, clock?: TimelineClock | null): SegmentState<T>;
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