import { User } from "../api/connection/user/User";
import { UserManager } from "../api/connection/user/UserManager";
import { UserImpl } from "../dependencies_internal";
import { ServerDriver, TypeDBDriverImpl } from "../connection/TypeDBDriverImpl";
export declare class UserManagerImpl implements UserManager {
    static _SYSTEM_DB: string;
    private readonly _driver;
    constructor(driver: TypeDBDriverImpl);
    all(): Promise<User[]>;
    contains(username: string): Promise<boolean>;
    create(username: string, password: string): Promise<void>;
    delete(username: string): Promise<void>;
    get(username: string): Promise<UserImpl>;
    passwordSet(username: string, password: string): Promise<void>;
    runFailsafe<T>(task: (driver: ServerDriver) => Promise<T>): Promise<T>;
}