/**
 * A logged-in user.
 */
export interface User {
    /**
     * The user's username.
     */
    username: string;
    /**
     * The NATS URL that the user is connected to.
     */
    natsUrl: string;
}
export interface ErrorMessages {
    natsUrlMessage?: string;
    usernameMessage?: string;
    passwordMessage?: string;
}
export declare class LoginError extends Error {
    messages: ErrorMessages;
    constructor(messages: ErrorMessages);
}