/**
 * Use this hook to schedule a dynamic callback. The callback can be updated
 * without affecting the timer. Additionally, if the delay or any other passed
 * dependencies are shallowly mutated, the timer is restarted.
 *
 * For a detailed explanation of how this works, see Dan Abramov’s
 * [article](https://overreacted.io/making-setinterval-declarative-with-react-hooks/).
 */
export declare function useTimeout(
/**
 * Function to call when delay elapses. Can be mutated on subsequent render
 * calls without affecting the timeout.
 */
callback: () => void, 
/**
 * Timeout delay, in milliseconds. If mutated, the timeout is restarted. If set
 * to null, the existing timeout is canceled.
 */
delay: number | null, 
/**
 * If any of the dependencies in this array are mutated, the timeout is restarted.
 */
dependencies?: unknown[]): void;