import { Renderable } from '../types/domain';
/**
 * Handle returned by {@link createRafLoop} to stop the animation loop.
 * @public
 */
export interface RafLoopHandle {
    /** Cancel the loop and stop future callbacks. */
    dispose: () => void;
}
/**
 * Creates a `requestAnimationFrame` loop that calls `callback` on every frame
 * with the elapsed time in milliseconds since the previous frame.
 *
 * The first frame always receives `dt = 0`.
 *
 * @param callback - Called each frame with delta time in milliseconds.
 * @returns A handle with a `dispose()` method to stop the loop.
 * @public
 */
export declare function createRafLoop(callback: (dt: number) => void): RafLoopHandle;
/**
 * A Tempo renderable that runs a `requestAnimationFrame` loop for the
 * lifetime of the component. The loop is automatically stopped when the
 * renderable is disposed.
 *
 * @param callback - Called each frame with delta time in milliseconds.
 * @returns A renderable.
 * @public
 */
export declare const RafLoop: (callback: (dt: number) => void) => Renderable;