import { Fetch } from '../fetch';
import { PingResponse } from './types';
/**
 * Some endpoints exist not to expose data, but to test the API itself.
 * Currently there is only one endpoint in this group: ping!
 */
export declare class Util {
    private fetch;
    constructor(fetch: Fetch);
    /**
     * Make a basic ping request to the API. This is useful to verify that
     * authentication is functioning correctly. On authentication success an HTTP
     * 200 status is returned. On failure an HTTP 401 error response is returned.
     */
    ping(): Promise<PingResponse>;
}