import { Component } from 'react';
import type { ErrorBoundaryProps, ErrorBoundaryState } from './ErrorBoundary.types';
/**
 * Error boundary component that catches React errors in child components.
 * Displays a fallback UI when an error occurs and optionally calls an error handler.
 *
 * @example
 * <ErrorBoundary fallback={<CustomErrorUI />} onError={(error) => logError(error)}>
 *   <MyComponent />
 * </ErrorBoundary>
 */
export declare class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
    constructor(props: ErrorBoundaryProps);
    static getDerivedStateFromError(error: Error): ErrorBoundaryState;
    componentDidCatch(error: Error, errorInfo: React.ErrorInfo): void;
    render(): string | number | boolean | Iterable<import("react").ReactNode> | import("react/jsx-runtime").JSX.Element | null | undefined;
}