import React from 'react';
export interface FallbackProps {
    error: Error;
    reset: () => void;
}
interface ErrorBoundaryProps {
    children: React.ReactNode;
    /** Custom fallback UI. Receives the error and a reset callback. */
    fallback: React.ComponentType<FallbackProps>;
    /**
     * Optional callback fired when an error is caught.
     * Use to log to Sentry, Datadog, etc.
     */
    onError?: (error: Error, info: React.ErrorInfo) => void;
    /**
     * List of values that, when changed, automatically reset the boundary.
     * Useful for resetting on route changes (pass `location.pathname`).
     */
    resetKeys?: unknown[];
}
interface ErrorBoundaryState {
    hasError: boolean;
    error: Error | null;
}
export declare class ErrorBoundary extends React.Component<ErrorBoundaryProps, ErrorBoundaryState> {
    constructor(props: ErrorBoundaryProps);
    static getDerivedStateFromError(error: Error): ErrorBoundaryState;
    componentDidCatch(error: Error, info: React.ErrorInfo): void;
    componentDidUpdate(prevProps: ErrorBoundaryProps): void;
    reset(): void;
    render(): string | number | boolean | Iterable<React.ReactNode> | import("react/jsx-runtime").JSX.Element | null | undefined;
}
interface BoundaryProps {
    children: React.ReactNode;
    onError?: (error: Error, info: React.ErrorInfo) => void;
    resetKeys?: unknown[];
}
/**
 * `AppErrorBoundary` — root level.
 *
 * Place at the very top of the tree, outside all providers. If something inside
 * the provider stack crashes during setup, this boundary prevents a blank screen.
 */
export declare function AppErrorBoundary({ children, onError, resetKeys }: BoundaryProps): import("react/jsx-runtime").JSX.Element;
/**
 * `PageErrorBoundary` — route level.
 *
 * Wrap `<AppRoutes>` / `<AuthGuard>` inside the router. When a lazy page chunk
 * fails to load, or a page component throws, the rest of the app (providers,
 * nav chrome) stays alive and only the page area shows the error UI.
 */
export declare function PageErrorBoundary({ children, onError, resetKeys }: BoundaryProps): import("react/jsx-runtime").JSX.Element;
/**
 * `SectionErrorBoundary` — feature/section level.
 *
 * Use around individual sections within a page (e.g., a data table, a chart,
 * the assistant panel). An error in one section does not crash the entire page.
 */
export declare function SectionErrorBoundary({ children, onError, resetKeys }: BoundaryProps): import("react/jsx-runtime").JSX.Element;
export {};