/**
 * TimedEvent is a lightweight timer-like class that emits lifecycle events
 * and progress notifications. It supports starting, pausing, resuming,
 * cancelling and one-shot or duration-based progress tracking.
 *
 * Events dispatched (CustomEvent with detail.timer = this):
 *  - START, PROGRESS, PAUSE, RESUME, COMPLETE, CANCEL
 *
 * duration is in milliseconds. Use -1 for an infinite/looping timer.
 */
export default class TimedEvent extends EventTarget {
    duration: number;
    elapsedTime: number;
    started: boolean;
    paused: boolean;
    cancelled: boolean;
    nextTick: number | ReturnType<typeof setTimeout> | null;
    lastTick: number;
    milestones: Set<string>;
    constructor(duration?: number);
    start(): void;
    pause(): void;
    resume(): void;
    cancel(): void;
    atPercent(percent: number, context?: string): boolean;
    atProgress(time: number, context?: string): boolean;
    atRemaining(time: number, context?: string): boolean;
    protected forceTick(): void;
    protected tick(): void;
    protected cancelNextTick(): void;
    makeEvent(name: string): CustomEvent;
}
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