import { EventManager } from './index';
export type RafListener = (time: number, delta: number) => void;
/**
 * Utility class for creating `requestAnimationFrame` listeners
 *
 * @class RafManager
 * @extends EventManager
 */
declare class RafManager extends EventManager<RafListener> {
    protected listeners: RafListener[];
    time: number;
    private _rafId;
    protected bind(): void;
    protected unbind(): void;
    update: () => void;
    private _onUpdate;
}
declare const _default: RafManager;
export default _default;