/// <reference types="react" />
import { AuthState } from "../AuthProvider";
interface UseAuthOptions<R> {
    /** Optional service name. Only required if multiple services are used */
    serviceName?: string;
    /** Initial data */
    data?: R;
}
interface UseAuthCallback<R> {
    (authData: unknown): Promise<R>;
}
interface UseAuthState<R> extends Omit<AuthState, "authData"> {
    /** The data returned by the callback. Will be null until loaded */
    data: R | null;
    /** True once authed is true while the data is loading */
    loading: boolean;
    /** Force authentication and fetching the data */
    fetchData(): Promise<boolean>;
}
/**
 * When this hook is called, if the user has already authenticated with the
 * remote service then the callback is run immediately to populate the data.
 *
 * If the user has not yet authenticated then the callback will not be run. The
 * authed flag will be false. The component can force the user to authenticate
 * by calling fetchData()
 *
 * @param callback Async function that is given the authData once the user has
 *   authenticated and returns the data for the component
 * @param options
 * @param deps Dependencies for the callback function. The data will be
 *   refetched each time these change IF the user is authenticated
 */
export declare function useAuth<R>(callback: UseAuthCallback<R>, options?: UseAuthOptions<R>, deps?: React.DependencyList): UseAuthState<R>;
export {};