import { IRenderMime } from '@jupyterlab/rendermime-interfaces';
import { IConnectionStatus } from '@jupyterlab/services';
import { Token } from '@lumino/coreutils';
import { JupyterFrontEnd, JupyterFrontEndPlugin } from './frontend';
import { ILabShell } from './shell';
import { LabStatus } from './status';
/**
 * JupyterLab is the main application class. It is instantiated once and shared.
 */
export declare class JupyterLab extends JupyterFrontEnd<ILabShell> {
    /**
     * Construct a new JupyterLab object.
     */
    constructor(options?: JupyterLab.IOptions);
    /**
     * The name of the JupyterLab application.
     */
    readonly name: string;
    /**
     * A namespace/prefix plugins may use to denote their provenance.
     */
    readonly namespace: string;
    /**
     * A list of all errors encountered when registering plugins.
     *
     * @deprecated This is unused and may be removed in a future version.
     */
    readonly registerPluginErrors: Array<Error>;
    /**
     * Promise that resolves when state is first restored, returning layout
     * description.
     */
    readonly restored: Promise<void>;
    /**
     * The application busy and dirty status signals and flags.
     */
    readonly status: LabStatus;
    /**
     * The version of the JupyterLab application.
     */
    readonly version: string;
    /**
     * The JupyterLab application information dictionary.
     */
    get info(): JupyterLab.IInfo;
    /**
     * The JupyterLab application paths dictionary.
     */
    get paths(): JupyterFrontEnd.IPaths;
    /**
     * Promise that resolves when all the plugins are activated, including the deferred.
     */
    get allPluginsActivated(): Promise<void>;
    /**
     * Register plugins from a plugin module.
     *
     * @param mod - The plugin module to register.
     *
     * @deprecated This is unused and may be removed in a future version.
     */
    registerPluginModule(mod: JupyterLab.IPluginModule): void;
    /**
     * Register the plugins from multiple plugin modules.
     *
     * @param mods - The plugin modules to register.
     *
     * @deprecated This is unused and may be removed in a future version.
     */
    registerPluginModules(mods: JupyterLab.IPluginModule[]): void;
    /**
     * Override keydown handling to prevent command shortcuts from preventing user input.
     *
     * This introduces a slight delay to the command invocation, but no delay to user input.
     */
    protected evtKeydown(keyDownEvent: KeyboardEvent): void;
    private _info;
    private _paths;
    private _allPluginsActivated;
}
/**
 * The namespace for `JupyterLab` class statics.
 */
export declare namespace JupyterLab {
    /**
     * The options used to initialize a JupyterLab object.
     */
    export interface IOptions extends Partial<JupyterFrontEnd.IOptions<ILabShell>>, Partial<IInfo> {
        /**
         * URL and directory paths used by a Jupyter front-end.
         */
        paths?: Partial<JupyterFrontEnd.IPaths>;
        /**
         * Application connection status.
         */
        connectionStatus?: IConnectionStatus;
    }
    /**
     * The application info token.
     */
    export const IInfo: Token<IInfo>;
    /**
     * The information about a JupyterLab application.
     */
    export interface IInfo {
        /**
         * Whether the application is in dev mode.
         */
        readonly devMode: boolean;
        /**
         * The collection of deferred extension patterns and matched extensions.
         */
        readonly deferred: {
            patterns: string[];
            matches: string[];
        };
        /**
         * The collection of disabled extension patterns and matched extensions.
         */
        readonly disabled: {
            patterns: string[];
            matches: string[];
        };
        /**
         * The mime renderer extensions.
         */
        readonly mimeExtensions: IRenderMime.IExtensionModule[];
        /**
         * The information about available plugins.
         */
        readonly availablePlugins: IPluginInfo[];
        /**
         * Whether files are cached on the server.
         */
        readonly filesCached: boolean;
        /**
         * Every periodic network polling should be paused while this is set
         * to `false`. Extensions should use this value to decide whether to proceed
         * with the polling.
         * The extensions may also set this value to `false` if there is no need to
         * fetch anything from the server backend basing on some conditions
         * (e.g. when an error message dialog is displayed).
         * At the same time, the extensions are responsible for setting this value
         * back to `true`.
         */
        isConnected: boolean;
    }
    /**
     * The information about a JupyterLab application.
     */
    export class Info implements IInfo {
        constructor({ connectionStatus, ...options }?: Partial<IInfo> & {
            connectionStatus?: IConnectionStatus;
        });
        /**
         * The information about available plugins.
         */
        get availablePlugins(): IPluginInfo[];
        /**
         * Whether the application is in dev mode.
         */
        get devMode(): boolean;
        /**
         * The collection of deferred extension patterns and matched extensions.
         */
        get deferred(): {
            patterns: string[];
            matches: string[];
        };
        /**
         * The collection of disabled extension patterns and matched extensions.
         */
        get disabled(): {
            patterns: string[];
            matches: string[];
        };
        /**
         * Whether files are cached on the server.
         */
        get filesCached(): boolean;
        /**
         * Every periodic network polling should be paused while this is set
         * to `false`. Extensions should use this value to decide whether to proceed
         * with the polling.
         * The extensions may also set this value to `false` if there is no need to
         * fetch anything from the server backend basing on some conditions
         * (e.g. when an error message dialog is displayed).
         * At the same time, the extensions are responsible for setting this value
         * back to `true`.
         */
        get isConnected(): boolean;
        set isConnected(v: boolean);
        /**
         * The mime renderer extensions.
         */
        get mimeExtensions(): IRenderMime.IExtensionModule[];
        private _devMode;
        private _deferred;
        private _disabled;
        private _mimeExtensions;
        private _availablePlugins;
        private _filesCached;
        private _connectionStatus;
    }
    export interface IToken extends Readonly<Pick<Token<any>, 'name' | 'description'>> {
    }
    /**
     * A readonly subset of lumino plugin bundle (excluding activation function,
     * service, and state information, and runtime token details).
     */
    interface ILuminoPluginData extends Readonly<Pick<JupyterFrontEndPlugin<void>, 'id' | 'description' | 'autoStart'>> {
        /**
         * The types of required services for the plugin, or `[]`.
         */
        readonly requires: IToken[];
        /**
         * The types of optional services for the the plugin, or `[]`.
         */
        readonly optional: IToken[];
        /**
         * The type of service provided by the plugin, or `null`.
         */
        readonly provides: IToken | null;
    }
    /**
     * A subset of plugin bundle enriched with JupyterLab extension metadata.
     */
    export interface IPluginInfo extends ILuminoPluginData {
        /**
         * The name of the extension which provides the plugin.
         */
        extension: string;
        /**
         * Whether the plugin is enabled.
         */
        enabled: boolean;
    }
    /**
     * The default JupyterLab application info.
     */
    export const defaultInfo: IInfo;
    /**
     * The default JupyterLab application paths.
     */
    export const defaultPaths: JupyterFrontEnd.IPaths;
    /**
     * The interface for a module that exports a plugin or plugins as
     * the default value.
     */
    export interface IPluginModule {
        /**
         * The default export.
         */
        default: JupyterFrontEndPlugin<any, any, any> | JupyterFrontEndPlugin<any, any, any>[];
    }
    export {};
}