import * as React from 'react';
import { RefProps } from './utils';
export declare class RefForward extends React.Component<RefProps> {
    currentNode: Node | null;
    handleRefOverride: (node: HTMLElement) => void;
    componentDidUpdate(prevProps: RefProps): void;
    componentWillUnmount(): void;
    render(): React.ReactElement<any, string | ((props: any) => React.ReactElement<any, string | any | (new (props: any) => React.Component<any, any, any>)> | null) | (new (props: any) => React.Component<any, any, any>)>;
}