import { ReadonlyJSONObject } from '@lumino/coreutils';
import { Poll } from '@lumino/polling';
import { ISignal } from '@lumino/signaling';
import { BaseManager } from '../basemanager';
import { ServerConnection } from '../serverconnection';
import * as User from './user';
/**
 * The user API service manager.
 */
export declare class UserManager extends BaseManager implements User.IManager {
    /**
     * Create a new user manager.
     */
    constructor(options?: UserManager.IOptions);
    /**
     * The server settings for the manager.
     */
    readonly serverSettings: ServerConnection.ISettings;
    /**
     * Test whether the manager is ready.
     */
    get isReady(): boolean;
    /**
     * A promise that fulfills when the manager is ready.
     */
    get ready(): Promise<void>;
    /**
     * Get the most recently fetched identity.
     */
    get identity(): User.IIdentity | null;
    /**
     * Get the most recently fetched permissions.
     */
    get permissions(): ReadonlyJSONObject | null;
    /**
     * A signal emitted when the user changes.
     */
    get userChanged(): ISignal<this, User.IUser>;
    /**
     * A signal emitted when there is a connection failure.
     */
    get connectionFailure(): ISignal<this, Error>;
    /**
     * Dispose of the resources used by the manager.
     */
    dispose(): void;
    /**
     * Force a refresh of the user data from the server.
     *
     * @returns A promise that resolves when the user info is fetched.
     *
     * #### Notes
     * This is intended to be called only in response to a user action,
     * since the manager maintains its internal state.
     */
    refreshUser(): Promise<void>;
    /**
     * Execute a request to the server to poll the user and update state.
     */
    protected requestUser(): Promise<void>;
    private _isReady;
    private _ready;
    private _pollUser;
    private _identity;
    private _permissions;
    private _userChanged;
    private _connectionFailure;
    private _userApiClient;
}
/**
 * A namespace for `UserManager` statics.
 */
export declare namespace UserManager {
    /**
     * The instantiation options for a user manager.
     */
    interface IOptions extends BaseManager.IOptions {
        /**
         * When the manager stops polling the API. Defaults to `when-hidden`.
         */
        standby?: Poll.Standby | (() => boolean | Poll.Standby);
        /**
         * The user API client.
         */
        userApiClient?: User.IUserAPIClient;
    }
}