import FollowablePromise from './followable-promise';
import Representor from './representor/base';
import Resource from './resource';
import { ContentType, KettingInit } from './types';
import './utils/fetch-polyfill';
/**
 * The main Ketting client object.
 */
export default class Ketting {
    /**
     * The url from which all discovery starts.
     */
    bookMark: string;
    /**
     * Here we store all the resources that were ever requested. This will
     * ensure that if the same resource is requested twice, the same object is
     * returned.
     */
    resourceCache: {
        [url: string]: Resource;
    };
    /**
     * Content-Type settings and mappings.
     *
     * See the constructor for an example of the structure.
     */
    contentTypes: ContentType[];
    /**
     * The helper class that calls fetch() for us
     */
    private fetchHelper;
    constructor(bookMark: string, options?: KettingInit);
    /**
     * This function is a shortcut for getResource().follow(x);
     */
    follow(rel: string, variables?: object): FollowablePromise;
    /**
     * Returns a resource by its uri.
     *
     * This function doesn't do any HTTP requests. The uri is optional. If it's
     * not specified, it will return the bookmark resource.
     *
     * If a relative uri is passed, it will be resolved based on the bookmark
     * uri.
     */
    go(uri?: string): Resource;
    /**
     * Returns a resource by its uri.
     *
     * This function doesn't do any HTTP requests. The uri is optional. If it's
     * not specified, it will return the bookmark resource.
     */
    getResource(uri?: string): Resource;
    /**
     * This function does an arbitrary request using the fetch API.
     *
     * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/GlobalFetch}
     */
    fetch(input: string | Request, init?: RequestInit): Promise<Response>;
    /**
     * This function returns a representor constructor for a mime type.
     *
     * For example, given text/html, this function might return the constructor
     * stored in representor/html.
     */
    getRepresentor(contentType: string): typeof Representor;
    /**
     * Generates an accept header string, based on registered Resource Types.
     */
    getAcceptHeader(): string;
    beforeRequest(request: Request): void;
}