import { AxiosResponse } from 'axios';
import { AuthCredential } from '../../models/auth/AuthCredential';
import { RettiwtConfig } from '../../models/RettiwtConfig';
/**
 * The services that handles authentication.
 *
 * @internal
 */
export declare class AuthService {
    /** The config object. */
    private readonly _config;
    /**
     * @param config - The config for Rettiwt.
     */
    constructor(config: RettiwtConfig);
    /**
     * Splits the cookie header into a list of key=value pairs.
     *
     * @param cookieHeader - The value of the cookie header.
     *
     * @returns The list of key=value pairs in the cookies.
     */
    private static _splitCookieHeader;
    /**
     * Decodes the encoded cookie string.
     *
     * @param encodedCookies - The encoded cookie string to decode.
     * @returns The decoded cookie string.
     */
    static decodeCookie(encodedCookies: string): string;
    /**
     * Encodes the given cookie string.
     *
     * @param cookieString - The cookie string to encode.
     * @returns The encoded cookie string.
     */
    static encodeCookie(cookieString: string): string;
    /**
     * Gets a new API key from an HTTP response.
     *
     * @param response - The HTTP response received.
     * @param config - The current Rettiwt config.
     *
     * @returns The new API key.
     */
    static getApiKeyFromReponse(response: AxiosResponse, config?: RettiwtConfig): string | undefined;
    /**
     * Gets the user's id from the given API key.
     *
     * @param apiKey - The API key.
     * @returns The user id associated with the API key.
     */
    static getUserId(apiKey: string): string;
    /**
     * Fetches a fresh CSRF from Twitter by making a lightweight
     * authenticated request, then rotates the apiKey with the updated cookie.
     *
     * @param config - The current Rettiwt config.
     */
    static refreshCsrfToken(config: RettiwtConfig): Promise<void>;
    /**
     * Login to twitter as guest.
     *
     * @returns A new guest key.
     *
     * @example
     * ```
     * import { Rettiwt } from 'rettiwt-api';
     *
     * // Creating a new Rettiwt instance
     * const rettiwt = new Rettiwt();
     *
     * // Logging in an getting a new guest key
     * rettiwt.auth.guest()
     * .then(guestKey => {
     * 	// Use the guest key
     * 	...
     * })
     * .catch(err => {
     * 	console.log(err);
     * });
     * ```
     */
    guest(): Promise<AuthCredential>;
}