import React from 'react';
/**
 * Utility hook to merge provided with internal ref.
 * It works with both callback refs and normal object ref.
 * @param providedRef
 * @param initialValue
 * @returns
 */
export declare const useProvidedRef: <T>(providedRef: React.ForwardedRef<T>, initialValue?: T) => React.MutableRefObject<T>;