import { IChangedArgs } from '@jupyterlab/coreutils';
import { IRenderMime } from '@jupyterlab/rendermime-interfaces';
import { ISettingRegistry } from '@jupyterlab/settingregistry';
import { Token } from '@lumino/coreutils';
import { IDisposable } from '@lumino/disposable';
import { ISignal } from '@lumino/signaling';
import { CommandPalette, Widget } from '@lumino/widgets';
import { ISessionContext } from './sessioncontext';
/**
 * The command palette token.
 */
export declare const ICommandPalette: Token<ICommandPalette>;
/**
 * The options for creating a command palette item.
 */
export interface IPaletteItem extends CommandPalette.IItemOptions {
}
/**
 * The interface for a Jupyter Lab command palette.
 */
export interface ICommandPalette {
    /**
     * The placeholder text of the command palette's search input.
     */
    placeholder: string;
    /**
     * Activate the command palette for user input.
     */
    activate(): void;
    /**
     * Add a command item to the command palette.
     *
     * @param options - The options for creating the command item.
     *
     * @returns A disposable that will remove the item from the palette.
     */
    addItem(options: IPaletteItem): IDisposable;
}
/**
 * The kernel status indicator model.
 */
export declare const IKernelStatusModel: Token<IKernelStatusModel>;
/**
 * Kernel status indicator model.
 */
export interface IKernelStatusModel {
    /**
     * Add a session context provider.
     *
     * A provider will receive the currently active widget and must return the
     * associated session context if it can or null otherwise.
     */
    addSessionProvider: (provider: (widget: Widget | null) => ISessionContext | null) => void;
}
/**
 * An interface for the session context dialogs.
 */
export interface ISessionContextDialogs extends ISessionContext.IDialogs {
}
/**
 * The session context dialogs token.
 */
export declare const ISessionContextDialogs: Token<ISessionContext.IDialogs>;
/**
 * The theme manager token.
 */
export declare const IThemeManager: Token<IThemeManager>;
/**
 * An interface for a theme manager.
 */
export interface IThemeManager {
    /**
     * Get the name of the current theme.
     */
    readonly theme: string | null;
    /**
     * Get the name of the preferred light theme.
     */
    readonly preferredLightTheme?: string | undefined;
    /**
     * Get the name of the preferred dark theme.
     */
    readonly preferredDarkTheme?: string | undefined;
    /**
     * Get the name of the preferred theme.
     */
    readonly preferredTheme?: string | null | undefined;
    /**
     * The names of the registered themes.
     */
    readonly themes: ReadonlyArray<string>;
    /**
     * Get the names of the registered light themes.
     */
    readonly lightThemes?: ReadonlyArray<string> | undefined;
    /**
     * Get the names of the registered dark themes.
     */
    readonly darkThemes?: ReadonlyArray<string> | undefined;
    /**
     * A signal fired when the application theme changes.
     */
    readonly themeChanged: ISignal<this, IChangedArgs<string, string | null>>;
    /**
     * Load a theme CSS file by path.
     *
     * @param path - The path of the file to load.
     */
    loadCSS(path: string): Promise<void>;
    /**
     * Register a theme with the theme manager.
     *
     * @param theme - The theme to register.
     *
     * @returns A disposable that can be used to unregister the theme.
     */
    register(theme: IThemeManager.ITheme): IDisposable;
    /**
     * Set the current theme.
     */
    setTheme(name: string): Promise<void>;
    /**
     * Test whether a given theme is light.
     */
    isLight(name: string): boolean;
    /**
     * Test whether a given theme styles scrollbars,
     * and if the user has scrollbar styling enabled.
     */
    themeScrollbars(name: string): boolean;
    /**
     * Get display name for theme.
     */
    getDisplayName(name: string): string;
}
/**
 * A namespace for the `IThemeManager` sub-types.
 */
export declare namespace IThemeManager {
    /**
     * An interface for a theme.
     */
    interface ITheme {
        /**
         * The unique identifier name of the theme.
         */
        name: string;
        /**
         * The display name of the theme.
         */
        displayName?: string;
        /**
         * Whether the theme is light or dark. Downstream authors
         * of extensions can use this information to customize their
         * UI depending upon the current theme.
         */
        isLight: boolean;
        /**
         * Whether the theme includes styling for the scrollbar.
         * If set to false, this theme will leave the native scrollbar untouched.
         */
        themeScrollbars?: boolean;
        /**
         * Load the theme.
         *
         * @returns A promise that resolves when the theme has loaded.
         */
        load(): Promise<void>;
        /**
         * Unload the theme.
         *
         * @returns A promise that resolves when the theme has unloaded.
         */
        unload(): Promise<void>;
    }
}
/**
 * The sanitizer token.
 */
export declare const ISanitizer: Token<IRenderMime.ISanitizer>;
/**
 * @deprecated since v4 use {@link IRenderMime.ISanitizer}
 */
export type ISanitizer = IRenderMime.ISanitizer;
/**
 * The namespace for `ISanitizer` related interfaces.
 */
export declare namespace ISanitizer {
    /**
     * The options used to sanitize.
     *
     * @deprecated in v4 use {@link IRenderMime.ISanitizerOptions}
     */
    type IOptions = IRenderMime.ISanitizerOptions;
}
/**
 * The main menu token.
 */
export declare const ISplashScreen: Token<ISplashScreen>;
/**
 * The interface for an application splash screen.
 */
export interface ISplashScreen {
    /**
     * Show the application splash screen.
     *
     * @param light - Whether to show the light splash screen or the dark one.
     *
     * @returns A disposable used to clear the splash screen.
     */
    show(light?: boolean): IDisposable;
}
/**
 * The default window resolver token.
 */
export declare const IWindowResolver: Token<IWindowResolver>;
/**
 * The description of a window name resolver.
 */
export interface IWindowResolver {
    /**
     * A window name to use as a handle among shared resources.
     */
    readonly name: string;
}
/**
 * The namespace for `IToolbarWidgetRegistry` related interfaces
 */
export declare namespace ToolbarRegistry {
    /**
     * Interface of item to be inserted in a toolbar
     */
    interface IToolbarItem extends IRenderMime.IToolbarItem {
    }
    /**
     * Interface describing a toolbar item widget
     */
    interface IWidget extends ISettingRegistry.IToolbarItem {
    }
    /**
     * Options to set up the toolbar widget registry
     */
    interface IOptions {
        /**
         * Default toolbar widget factory
         *
         * The factory is receiving 3 arguments:
         * @param widgetFactory The widget factory name that creates the toolbar
         * @param widget The newly widget containing the toolbar
         * @param toolbarItem The toolbar item definition
         * @returns The widget to be inserted in the toolbar.
         */
        defaultFactory: (widgetFactory: string, widget: Widget, toolbarItem: IWidget) => Widget;
    }
}
/**
 * Toolbar widget registry interface
 */
export interface IToolbarWidgetRegistry {
    /**
     * Add a new toolbar item factory
     *
     * @param widgetFactory The widget factory name that creates the toolbar
     * @param toolbarItemName The unique toolbar item
     * @param factory The factory function that receives the widget containing the toolbar and returns the toolbar widget.
     * @returns The previously defined factory
     */
    addFactory<T extends Widget = Widget>(widgetFactory: string, toolbarItemName: string, factory: (main: T) => Widget): ((main: T) => Widget) | undefined;
    /**
     * Default toolbar item factory
     */
    defaultFactory: (widgetFactory: string, widget: Widget, toolbarItem: ToolbarRegistry.IWidget) => Widget;
    /**
     * Create a toolbar item widget
     *
     * @param widgetFactory The widget factory name that creates the toolbar
     * @param widget The newly widget containing the toolbar
     * @param toolbarItem The toolbar item definition
     * @returns The widget to be inserted in the toolbar.
     */
    createWidget(widgetFactory: string, widget: Widget, toolbarItem: ToolbarRegistry.IWidget): Widget;
    /**
     * Register a new toolbar item factory
     *
     * @param widgetFactory The widget factory name that creates the toolbar
     * @param toolbarItemName The unique toolbar item
     * @param factory The factory function that receives the widget containing the toolbar and returns the toolbar widget.
     * @returns The previously defined factory
     *
     * @deprecated since v4 use `addFactory` instead
     */
    registerFactory<T extends Widget = Widget>(widgetFactory: string, toolbarItemName: string, factory: (main: T) => Widget): ((main: T) => Widget) | undefined;
    /**
     * A signal emitted when a factory widget has been added.
     */
    readonly factoryAdded: ISignal<this, string>;
}
/**
 * The toolbar registry token.
 */
export declare const IToolbarWidgetRegistry: Token<IToolbarWidgetRegistry>;