import { Component, ErrorInfo, ReactNode } from 'react';
export interface ErrorBoundaryProps {
    /** Rendered normally; a render/commit error anywhere below is caught. */
    children: ReactNode;
    /** Rendered instead of `children` once a descendant throws. */
    fallback: ReactNode;
    /** Called when an error is caught — use for logging/telemetry. */
    onError?: (error: Error, info: ErrorInfo) => void;
}
interface ErrorBoundaryState {
    hasError: boolean;
}
/**
 * Generic React error boundary: renders `fallback` when a descendant throws
 * during render or commit, instead of letting the error crash the whole tree.
 * Consumers own the fallback UI and any logging via `onError`.
 *
 * Must be a class component — React exposes error boundaries only through the
 * `getDerivedStateFromError` / `componentDidCatch` lifecycle, which has no hook
 * equivalent.
 */
export declare class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
    state: ErrorBoundaryState;
    static getDerivedStateFromError(): ErrorBoundaryState;
    componentDidCatch(error: Error, info: ErrorInfo): void;
    render(): ReactNode;
}
export {};