export type RenderFn = (time: number) => void;
export declare const onRender: (fn: RenderFn) => () => void;
export declare const removeRender: (fn: RenderFn) => void;
export declare const clear: () => void;
export declare const forceRender: (time?: number) => void;
export declare const startRequestAnimationFrame: () => void;
export declare const stopRequestAnimationFrame: () => void;
