import type { TimeTrackerStatus } from './types';
export interface UseTrackerClockArgs {
    status: TimeTrackerStatus;
    /** Epoch ms the current running segment started (only used while tracking). */
    runningSince?: number | null;
    /** Elapsed ms accrued before the current running segment. */
    accumulatedMs?: number;
}
/**
 * Display-only timer. Ticks once per second while `status === 'tracking'`; otherwise
 * renders the static `accumulatedMs`. Returns a formatted `HH:MM:SS` string.
 */
export declare function useTrackerClock({ status, runningSince, accumulatedMs }: UseTrackerClockArgs): string;
//# sourceMappingURL=use-tracker-clock.d.ts.map