import { default as React, ReactNode } from 'react';
import { ReactRef } from './types';
export declare const ensureSingularRef: (children: ReactNode) => React.ReactElement & {
    ref?: React.Ref<unknown>;
};
/**
 * Merges multiple refs into a single ref.
 *
 * @param refs
 */
export declare function mergeRefs<T>(...refs: (ReactRef<T> | null | undefined)[]): (node: T | null) => void;
export declare function extractTextFromReactNode(node: React.ReactNode): string;
export declare const isSameComponent: (component1: unknown, component2: unknown) => boolean;