import { FetchOptions } from '../models/FetchOptions';
/**
 * This is our built-in request function. It does a few things by default
 * (unless told otherwise):
 * - Makes CORS requests
 * - Sets accept header to "application/json"
 * - Handles errors
 * - If the response is json return the json object
 * - If the response is text return the result text
 * - Otherwise return the response object on which we call stuff like `.blob()`
 */
export declare function request(url: string | Request, requestOptions?: FetchOptions): Promise<any>;