import { ReactRef } from './types';
/**
 * Assigns a value for a given ref, no matter of the ref format
 * @param {RefObject} ref - a callback function or ref object
 * @param value - a new value
 *
 * @see https://github.com/theKashey/use-callback-ref#assignref
 * @example
 * const refObject = useRef();
 * const refFn = (ref) => {....}
 *
 * assignRef(refObject, "refValue");
 * assignRef(refFn, "refValue");
 */
export declare function assignRef<T>(ref: ReactRef<T>, value: T | null): ReactRef<T>;