import { Component, ErrorInfo, ReactNode } from 'react';
export type ErrorBoundaryFallbackRenderer = (error: Error, reset: () => void) => ReactNode;
export interface ErrorBoundaryProps {
    children: ReactNode;
    /** Custom fallback UI. Either a static node or a render function that also gets a `reset` callback. */
    fallback?: ReactNode | ErrorBoundaryFallbackRenderer;
    /** Called once when a render error is caught, in addition to the default console.error. */
    onError?: (error: Error, errorInfo: ErrorInfo) => void;
}
interface ErrorBoundaryState {
    error: Error | null;
}
/**
 * Catches render-time errors from a malformed/edge-case spec so they can't escape
 * into the host application's React tree (React error boundaries only catch
 * synchronous render errors — async failures, e.g. in AsyncAPIRenderer's parse
 * step, are handled separately via diagnostics).
 */
export declare class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
    state: ErrorBoundaryState;
    static getDerivedStateFromError(error: Error): ErrorBoundaryState;
    componentDidCatch(error: Error, errorInfo: ErrorInfo): void;
    reset: () => void;
    render(): string | number | bigint | boolean | Iterable<ReactNode> | Promise<string | number | bigint | boolean | import('react').ReactPortal | import('react').ReactElement<unknown, string | import('react').JSXElementConstructor<any>> | Iterable<ReactNode> | null | undefined> | import("react").JSX.Element | null | undefined;
}
export {};