import { ReactNode } from 'react';
import { GrantClient } from '../grant-client';
import { GrantClientConfig } from '../types';
/**
 * Props for the GrantProvider component
 */
export interface GrantProviderProps {
    /**
     * Grant client configuration
     */
    config: GrantClientConfig;
    /**
     * Pre-configured GrantClient instance (alternative to config)
     * If provided, config is ignored
     */
    client?: GrantClient;
    /**
     * Child components
     */
    children: ReactNode;
}
/**
 * Provider component that makes the Grant client available to child components
 *
 * @example
 * ```tsx
 * // Option 1: Pass config (cookie-based refresh)
 * <GrantProvider
 *   config={{
 *     apiUrl: 'https://api.grant.com',
 *     getAccessToken: () => localStorage.getItem('accessToken'),
 *     onRefreshWithCredentials: async () => {
 *       const res = await fetch('https://api.grant.com/api/auth/refresh', { method: 'POST', credentials: 'include' });
 *       if (!res.ok) return false;
 *       const { data } = await res.json();
 *       if (data?.accessToken) { localStorage.setItem('accessToken', data.accessToken); return true; }
 *       return false;
 *     },
 *     onTokenRefresh: (tokens) => { localStorage.setItem('accessToken', tokens.accessToken); },
 *     onUnauthorized: () => { window.location.href = '/login'; },
 *   }}
 * >
 *   <App />
 * </GrantProvider>
 *
 * // Option 2: Pass pre-configured client
 * const grant = new GrantClient({ ... });
 * <GrantProvider client={grant}>
 *   <App />
 * </GrantProvider>
 * ```
 */
export declare function GrantProvider({ config, client, children }: GrantProviderProps): import("react").JSX.Element;
/**
 * Hook to access the Grant client from context
 *
 * @throws Error if used outside of GrantProvider
 *
 * @example
 * ```tsx
 * const grant = useGrantClient();
 * const hasPermission = await grant.can('resource', 'action');
 * ```
 */
export declare function useGrantClient(): GrantClient;
/**
 * Hook to optionally access the Grant client
 * Returns null if not in a GrantProvider context
 *
 * Use this when you want to gracefully handle missing provider
 */
export declare function useGrantClientOptional(): GrantClient | null;
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