import { Ticker } from 'pixi.js';
import { Disposable } from './Disposable.js';
type TickerCallback = (ticker: Ticker) => void;
/**
 * Safe wrapper around PixiJS Ticker subscriptions.
 *
 * Solves the #1 memory leak in the original library: dangling ticker callbacks.
 * When `destroy()` is called, ALL registered callbacks are automatically
 * removed from the ticker.
 *
 * Usage:
 * ```ts
 * const ref = new TickerRef(app.ticker);
 * ref.add((ticker) => reel.update(ticker));
 * // Later:
 * ref.destroy(); // all callbacks removed
 * ```
 */
export declare class TickerRef implements Disposable {
    private _ticker;
    private _callbacks;
    private _isDestroyed;
    constructor(_ticker: Ticker);
    get isDestroyed(): boolean;
    add(fn: TickerCallback): void;
    remove(fn: TickerCallback): void;
    destroy(): void;
}
export {};
//# sourceMappingURL=TickerRef.d.ts.map