import { Stopwatch } from '@watchstop/core';
import type { Clock } from '@watchstop/core';
import { type QRL, type Signal } from '@qwik.dev/core';
export type UseStopwatchOptions = {
    clock?: Clock;
    precisionMs?: number;
    stopwatch?: undefined;
} | {
    stopwatch: Stopwatch;
    clock?: never;
    precisionMs?: never;
};
export type StopwatchBinding = {
    elapsed: Signal<number>;
    running: Signal<boolean>;
    start: QRL<() => void>;
    stop: QRL<() => void>;
    reset: QRL<() => void>;
    stopwatch: Stopwatch;
};
export declare function useStopwatch(options?: UseStopwatchOptions): StopwatchBinding;
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