import type { IChangedArgs } from '@jupyterlab/coreutils';
import type { IRenderMime } from '@jupyterlab/rendermime-interfaces';
import type { ISettingRegistry } from '@jupyterlab/settingregistry';
import { Token } from '@lumino/coreutils';
import type { IDisposable } from '@lumino/disposable';
import type { ISignal } from '@lumino/signaling';
import type { AccordionPanel, CommandPalette, Widget } from '@lumino/widgets';
import type { ISessionContext } from './sessioncontext';
import type { Licenses } from './licenses';
/**
 * 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;
}
/**
 * The license client for fetching licenses.
 */
export declare const ILicensesClient: Token<ILicensesClient>;
/**
 * An interface for the license client.
 */
export interface ILicensesClient {
    /**
     * Fetch the license bundles from the server.
     */
    getBundles(): Promise<Licenses.ILicenseResponse>;
    /**
     * Download the licenses in the requested format.
     */
    download(options: Licenses.IDownloadOptions): Promise<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>;
/**
 * A section entry returned by {@link IMovableSectionSource.getSections}.
 *
 * Bundles the three pieces of information the move plugin needs to identify,
 * display, and transfer a sidebar section.
 */
export interface ISectionEntry {
    /**
     * Stable identifier for this section, equal to the widget's Lumino `id`.
     *
     * The move plugin uses this to persist which sections have been moved and
     * to restore them to the correct panel on reload.
     */
    readonly id: string;
    /**
     * The `.jp-AccordionPanel-title` DOM element rendered by Lumino as the
     * visual header of this section.
     *
     * The move plugin attaches the `jp-movable-section` CSS class to this node
     * so that Lumino's context-menu selector fires when the user right-clicks
     * the header.
     */
    readonly titleNode: HTMLElement;
    /**
     * The content widget for this section.
     */
    readonly widget: Widget;
}
/**
 * Implemented by sidebar panels whose accordion sections can be moved to
 * another panel by the user.
 *
 * Register an implementation with
 * {@link IMovableSectionRegistry.registerSource}.
 */
export interface IMovableSectionSource {
    /**
     * Return the currently-available sections with their title DOM nodes.
     */
    getSections(): ReadonlyArray<ISectionEntry>;
    /**
     * Detach the section identified by `sectionId` and return its widget so
     * the move plugin can hand it to a target panel.
     *
     * A typical implementation sets `widget.parent = null`, which detaches the
     * widget from the `AccordionPanel` without destroying it. Returns `null` if
     * no section with the given id currently exists in this panel.
     *
     * @param sectionId - The {@link ISectionEntry.id} of the section to remove.
     */
    removeSectionById(sectionId: string): Widget | null;
    /**
     * Re-attach a widget that was previously removed by
     * {@link removeSectionById}.
     *
     * Called when the user chooses "Move back to …" on a section that was
     * originally owned by this panel. A typical implementation calls
     * `this.addWidget(widget)`.
     *
     * @param widget - The widget returned by an earlier {@link removeSectionById}
     *   call.
     */
    reinsertSection(widget: Widget): void;
    /**
     * The `AccordionPanel` that renders this sidebar's sections.
     *
     * The move plugin reads this to set up drag-to-reorder handles after a
     * section is moved.
     */
    readonly accordionPanel: AccordionPanel | null;
    /**
     * Emitted each time a new section widget is added to this panel.
     *
     * Implementations should emit this signal from `addWidget` (or equivalent)
     * with a fully-populated {@link ISectionEntry} for the newly added widget.
     */
    readonly sectionAdded: ISignal<this, ISectionEntry>;
}
/**
 * Implemented by panels that can host sections moved in from another sidebar.
 *
 * Register an implementation with
 * {@link IMovableSectionRegistry.registerTarget}.
 */
export interface IMovableSectionDestination {
    /**
     * Insert a section widget into this panel.
     *
     * Called by the move plugin when the user selects "Move to …" from the
     * context menu. A typical implementation calls `this.addWidget(widget)`.
     *
     * @param widget - The widget detached from its source panel.
     */
    addSection(widget: Widget): void;
    /**
     * Remove a section widget that was previously added via {@link addSection}.
     *
     * Called by the move plugin when the user moves the section back to its
     * original panel. A typical implementation sets `widget.parent = null`.
     *
     * @param widget - The widget to detach.
     */
    removeSectionWidget(widget: Widget): void;
    /**
     * All section widgets currently hosted by this panel.
     *
     * Queried by the move plugin during state restoration to find sections that
     * were persisted as belonging to this panel. Must stay in sync with
     * {@link addSection} and {@link removeSectionWidget} calls.
     */
    readonly sections: ReadonlyArray<Widget>;
    /**
     * The `AccordionPanel` that wraps the hosted sections, or `null` if none
     * has been created yet.
     *
     * The move plugin reads this to set up drag-to-reorder handles and to access
     * the title elements of hosted sections.
     */
    readonly accordionPanel: AccordionPanel | null;
}
/**
 * Registry that pairs source and target panels so the move plugin can wire up
 * context-menu "Move to …" actions between them.
 */
export interface IMovableSectionRegistry {
    /**
     * Register a sidebar as a source of moveable sections.
     *
     * After registration the move plugin adds a "Move to <target>" context-menu
     * item to each section header in `sidebar`. The `label` appears in the menu
     * as "Move back to <label>" on the destination side.
     *
     * @param id - Stable plugin-scoped identifier, e.g.
     *   `'@my-org/my-ext:panel'`. Must be unique across all registered sources.
     * @param label - Human-readable panel name shown in the context menu.
     * @param sidebar - The panel implementing {@link IMovableSectionSource}.
     */
    registerSource(id: string, label: string, sidebar: IMovableSectionSource): void;
    /**
     * Register a panel as a destination that can receive sections.
     *
     * After registration the move plugin adds a "Move to <label>" context-menu
     * item to eligible section headers in all registered source panels.
     *
     * @param id - Stable plugin-scoped identifier. Must be unique across all
     *   registered targets.
     * @param label - Human-readable panel name shown in the context menu.
     * @param panel - The panel implementing {@link IMovableSectionDestination}.
     */
    registerTarget(id: string, label: string, panel: IMovableSectionDestination): void;
    /**
     * Return all registered source sidebars keyed by their `id`.
     */
    getSources(): ReadonlyMap<string, {
        label: string;
        sidebar: IMovableSectionSource;
    }>;
    /**
     * Return all registered target panels keyed by their `id`.
     */
    getTargets(): ReadonlyMap<string, {
        label: string;
        panel: IMovableSectionDestination;
    }>;
    /**
     * Fired each time a new source sidebar is registered via
     * {@link registerSource}.
     *
     * The move plugin listens to this signal to retroactively wire up context
     * menus for sources that register after the plugin has already activated.
     */
    readonly sourcePanelRegistered: ISignal<IMovableSectionRegistry, {
        id: string;
        label: string;
        sidebar: IMovableSectionSource;
    }>;
    /**
     * Fired each time a new target panel is registered via
     * {@link registerTarget}.
     *
     * The move plugin listens to this signal to add the new target as an option
     * in the context menus of all currently-registered source panels.
     */
    readonly targetPanelRegistered: ISignal<IMovableSectionRegistry, {
        id: string;
        label: string;
        panel: IMovableSectionDestination;
    }>;
}
/**
 * The movable section registry token.
 */
export declare const IMovableSectionRegistry: Token<IMovableSectionRegistry>;