export interface UseDebouncedValueOptions {
    /** Skip the initial debounce — first value is set immediately. Default: true. */
    leading?: boolean;
}
/**
 * Returns a tuple `[debouncedValue, cancel]`. `debouncedValue` updates only
 * after `value` stops changing for `wait` ms. `cancel()` clears any pending
 * timeout so the latest committed `debouncedValue` sticks.
 *
 * Useful for search inputs, filter triggers, autosave, etc.
 *
 * @example
 * const [query, setQuery] = useState('');
 * const [debouncedQuery] = useDebouncedValue(query, 300);
 *
 * useEffect(() => {
 *   if (debouncedQuery) fetchResults(debouncedQuery);
 * }, [debouncedQuery]);
 */
export declare function useDebouncedValue<T>(value: T, wait: number, options?: UseDebouncedValueOptions): [T, () => void];