import React, { type MutableRefObject, type Ref } from 'react';
export declare function setRef<T>(ref: Ref<T>, value: T): void;
type Refs = React.ReactInstance | React.RefObject<React.ReactInstance>;
export declare function getRef(ref: Refs): React.ReactInstance | null;
export declare function useCallbackRef<T>(initialValue: T | null, callback: (newValue: T | null, lastValue: T | null) => void): MutableRefObject<T | null>;
export declare function useForkRef<T>(...refs: Ref<T>[]): Ref<T>;
export declare function forkRef<T>(...refs: Ref<T>[]): Ref<T>;
export {};