import type { AxiosInstance } from 'axios';
import type { AuthClient } from './types';
/**
 * Attaches Bearer token to requests and retries once on 401 after refreshing.
 *
 * Concurrent 401s are safe: `authClient.refreshToken()` is a single-flight
 * guard inside the refresh manager, so multiple interceptors will share the
 * same in-flight refresh promise rather than queuing separate refresh calls.
 *
 * @returns eject function that removes both interceptors
 */
export declare function createAuthInterceptor(axiosInstance: AxiosInstance, authClient: AuthClient): () => void;
/**
 * React hook that wires auth interceptors onto an Axios instance.
 * Automatically ejects on unmount.
 *
 * Must be used inside `<AuthProvider>`.
 *
 * ```tsx
 * import { useAuthInterceptor } from '@mongrov/auth/interceptor';
 * useAuthInterceptor(axiosClient);
 * ```
 */
export declare function useAuthInterceptor(axiosInstance: AxiosInstance): void;
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