import * as React from 'react';
import { FiberNavigator } from './FiberNavigator';
interface DebugRectProps {
    showBackground?: boolean;
    showClassName?: boolean;
    showCropMarks?: boolean;
    showElement?: boolean;
    fiberNav: FiberNavigator;
    renderLabel?: (fiberNav: FiberNavigator) => string;
}
export declare class DebugRect extends React.Component<DebugRectProps> {
    selectorRef: React.RefObject<HTMLPreElement>;
    static defaultProps: {
        showBackground: boolean;
        showClassName: boolean;
        showElement: boolean;
        renderLabel: (fiberNav: any) => string;
    };
    componentDidMount(): void;
    componentDidUpdate(prevProps: any, prevState: any, snapshot: any): void;
    setDebugSelectorPosition: () => void;
    render(): JSX.Element;
}
export {};