import User from '../model/user.model';
declare class UserService {
    constructor();
    private initUser;
    registerUser(account: string, password: string): Promise<{
        account: string;
    }>;
    hasUser(account: string): Promise<boolean>;
    getUserList(): Promise<{
        list: {
            id: string;
            account: string;
            createTime: Date;
        }[];
    }>;
    loginUser(account: string, password: string): Promise<string | undefined>;
    modifyUser(oldUser: User, newUser: Omit<User, 'id'>): Promise<{
        account: string;
    }>;
    removeUser(account: string, self: string): Promise<{
        account: string;
    }>;
}
declare const _default: UserService;
export default _default;