export declare class Raf {
	raf: number | undefined;
	fn: VoidFunction | undefined;
	fns: Array<VoidFunction>;
	constructor(fn?: VoidFunction);
	addFn: (fn: VoidFunction, shouldRequest?: boolean) => void;
	removeFn: (fn: VoidFunction, shouldRequest?: boolean) => void;
	updateFn: () => void;
	forceRequestAnimation: () => void;
	requestAnimation: () => void;
	cancelAnimation: () => void;
	release(): void;
}