import React, { ReactNode } from 'react';
import { QueryClient } from '@tanstack/react-query';
export interface QueryProviderProps {
    children: ReactNode;
    /** When true, renders the React Query DevTools panel. Defaults to false. */
    showDevTools?: boolean;
}
/**
 * Sanctioned accessor for the library's TanStack `QueryClient`.
 *
 * Returns the same client `QueryProvider` (mounted by `UdpAppProvider`) supplies
 * via context. Use this instead of importing `useQueryClient` from
 * `@tanstack/react-query` directly — that package is only a transitive dependency
 * of consumer apps, so importing from it is a phantom dependency and only resolves
 * the right client by dedup luck.
 *
 * @example
 * const qc = useAppQueryClient();
 * // after a successful mutation, refresh a useApiQuery cache entry:
 * qc.invalidateQueries({ queryKey: [baseURL, url, config] });
 */
export declare const useAppQueryClient: () => QueryClient;
export declare const QueryProvider: React.FC<QueryProviderProps>;
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