import { MutableRefObject, RefCallback, SetStateAction, RefObject } from 'react';

type AssignableRef<T> = MutableRefObject<T> | RefCallback<T>;
declare function assignRef<T>(ref: AssignableRef<T>, node: T): void;
type UnwrapStateType<T> = T extends SetStateAction<infer U> ? U : T;
type MergedRef<T> = RefCallback<T> & RefObject<T>;
declare function mergeRefs<T>(...refs: AssignableRef<T>[]): MergedRef<UnwrapStateType<T>>;
declare function useMergedRefs<T>(...refs: AssignableRef<T>[]): MergedRef<UnwrapStateType<T>>;

export { type AssignableRef, type MergedRef, type UnwrapStateType, assignRef, mergeRefs, useMergedRefs };