import * as React from 'react'; import { RefProps } from './utils'; export declare class RefFindNode extends React.Component { prevNode: Node | null; componentDidMount(): void; componentDidUpdate(prevProps: RefProps): void; componentWillUnmount(): void; render(): React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> | (React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> & string) | (React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> & number) | (React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> & false) | (React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> & true) | (React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> & React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)>) | (React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> & React.ReactNodeArray) | (React.ReactElement React.ReactElement React.Component)> | null) | (new (props: any) => React.Component)> & React.ReactPortal); }