import { Logout, User } from '../types/Api';
import { BaseParams, VerifySiweParams } from './common/params';
/**
 * Fetches a nonce for signing messages.
 * @param params - The parameters for fetching the nonce.
 * @param params.apiUrl - Optional API URL override.
 * @returns {Promise<string>} A promise that resolves to a nonce string.
 */
export declare const getNonce: (params?: BaseParams) => Promise<string>;
/**
 * Verifies a signed message (e.g., SIWE) to authenticate the user.
 * @param params - The parameters for verification.
 * @param params.message - The message to verify.
 * @param params.signature - The signature to verify.
 * @param params.apiUrl - Optional API URL override.
 * @returns {Promise<User>} A promise with the authenticated user data.
 */
export declare const verify: (params: VerifySiweParams) => Promise<User>;
/**
 * Fetches the currently authenticated user's information.
 * Requires a valid session/cookie.
 * @param params - The parameters for fetching the user data.
 * @param params.apiUrl - Optional API URL override.
 * @returns {Promise<User>} A promise with the authenticated user data.
 */
export declare const me: (params?: BaseParams) => Promise<User>;
/**
 * Logs the current user out by clearing the session/cookie.
 * @param params - The parameters for logging out.
 * @param params.apiUrl - Optional API URL override.
 * @returns {Promise<Logout>} A promise with the "ok" message.
 */
export declare const logout: (params?: BaseParams) => Promise<Logout>;