import { ComputedRef, MaybeRefOrGetter } from 'vue';
import { TimerVariant, TimeFormat, ILap } from '@wolf-tui/shared';
export interface IUseTimerStateProps {
    /**
     * Timer variant. Accepts plain value, ref, or getter for reactivity.
     *
     * @default 'timer'
     */
    variant?: MaybeRefOrGetter<TimerVariant | undefined>;
    /**
     * Start automatically on mount.
     *
     * @default true
     */
    autoStart?: boolean;
    /**
     * Tick interval in milliseconds.
     *
     * @default 1000
     */
    interval?: MaybeRefOrGetter<number | undefined>;
    /**
     * Time display format.
     *
     * @default 'digital'
     */
    format?: MaybeRefOrGetter<TimeFormat | undefined>;
    /**
     * Duration for countdown variant (ms).
     */
    durationMs?: MaybeRefOrGetter<number | undefined>;
    /**
     * Callback on each tick.
     */
    onTick?: (elapsedMs: number) => void;
    /**
     * Callback when countdown completes.
     */
    onComplete?: () => void;
    /**
     * Callback on lap.
     */
    onLap?: (lap: ILap) => void;
}
export interface ITimerState {
    formattedTime: ComputedRef<string>;
    isRunning: ComputedRef<boolean>;
    isPaused: ComputedRef<boolean>;
    isComplete: ComputedRef<boolean>;
    elapsedMs: ComputedRef<number>;
    laps: ComputedRef<readonly ILap[]>;
    variant: TimerVariant;
    start: () => void;
    stop: () => void;
    toggle: () => void;
    reset: () => void;
    restart: () => void;
    lap: () => void;
}
export declare const useTimerState: ({ variant: variantProp, autoStart, interval: intervalProp, format: formatProp, durationMs: durationMsProp, onTick, onComplete, onLap, }: IUseTimerStateProps) => ITimerState;
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