import { CodeExchangeRequest, CodeExchangeResponse, RequestAuthorize } from './types';
export declare class HostedLoginClient {
    private _baseURL;
    private _authenticator;
    private _authorizationHeader;
    private readonly redirectURI;
    /**
     * @param redirectURI - Required, URI that the user will be redirected to once it was authenticated with Frontegg.
     */
    constructor(redirectURI: URL);
    /**
     * Generates a URL to redirect the user in order to authenticate with Frontegg.
     * The user should be redirected to this URL
     * @param state - Optional, let you provide a state that will be provided on the response from Frontegg.
     * @returns authorization - the url to redirect the user to in order to authenticate with Frontegg
     */
    requestAuthorize({ state }: RequestAuthorize): Promise<string>;
    /**
     * This method verify the code provided by the client and exchange it with user information.
     * @param code - Required, on time code to verify the user authentication
     * @param state - Optional, required only if state was provided in the authorization request
     * @returns user - The user profile information.
     * @returns accessToken - User access token to call Frontegg APIs.
     * @returns refreshToken - refresh token to generate new access token.
     */
    codeExchange({ code, state }: CodeExchangeRequest): Promise<CodeExchangeResponse>;
    private decodeAccessToken;
    private getAuthorizationHeader;
    private getFronteggBaseURL;
    private getFronteggCredentials;
    private fetchBaseURL;
    private getFronteggAuthenticator;
}