export declare function useApi(tokenEndpoint: string, client_id: string, client_secret: string, allowAnonymous?: boolean): (boolean | {
    client_id: string;
    free: import("axios").AxiosInstance;
    tokenized: import("axios").AxiosInstance;
    log_in: (username: string, password: string) => Promise<void>;
    is_logged_in: () => boolean;
    log_in_by_code: (code: string, redirect_uri: string) => Promise<void>;
    logout: () => void;
    onLoggedIn: (callback: Function | null) => void;
    endpoint: string;
    tokenEndpoint: string;
    set_hook: (start: Function, stop: Function) => Function;
})[];