import { BaseManager, User } from '@jupyterlab/services';
import { ReadonlyJSONObject } from '@lumino/coreutils';
import { ISignal } from '@lumino/signaling';
export declare class VoilaUserManager extends BaseManager implements User.IManager {
    userChanged: ISignal<this, User.IUser>;
    connectionFailure: ISignal<this, Error>;
    readonly identity: User.IIdentity | null;
    readonly permissions: ReadonlyJSONObject | null;
    refreshUser(): Promise<void>;
    get isReady(): boolean;
    get ready(): Promise<void>;
}