import { interfaces } from '@theia/core/shared/inversify';
import { ApplicationShell, BaseWidget, ExtractableWidget, Message, Panel, SplitLayout, SplitPanel, SplitPositionHandler, StatefulWidget, StorageService, Widget, WidgetManager } from '@theia/core/lib/browser';
import { DisposableCollection, Emitter, ILogger } from '@theia/core';
import { TerminalWidget, TerminalWidgetOptions } from '@theia/terminal/lib/browser/base/terminal-widget';
import { FrontendApplicationStateService } from '@theia/core/lib/browser/frontend-application-state';
import { TerminalFrontendContribution } from '@theia/terminal/lib/browser/terminal-frontend-contribution';
import { TerminalManagerPreferences } from './terminal-manager-preferences';
import { TerminalManagerTreeTypes } from './terminal-manager-types';
import { TerminalManagerTreeWidget } from './terminal-manager-tree-widget';
export declare namespace TerminalManagerWidgetState {
    interface BaseLayoutData<ID> {
        id: ID;
    }
    interface TerminalWidgetLayoutData {
        widget: TerminalWidget | undefined;
    }
    interface TerminalGroupLayoutData extends BaseLayoutData<TerminalManagerTreeTypes.GroupId> {
        childLayouts: TerminalWidgetLayoutData[];
        widgetRelativeHeights: number[] | undefined;
    }
    interface PageLayoutData extends BaseLayoutData<TerminalManagerTreeTypes.PageId> {
        childLayouts: TerminalGroupLayoutData[];
        groupRelativeWidths: number[] | undefined;
    }
    interface TerminalManagerLayoutData extends BaseLayoutData<'ParentPanel'> {
        childLayouts: PageLayoutData[];
    }
    const isLayoutData: (obj: unknown) => obj is LayoutData;
    interface PanelRelativeSizes {
        terminal: number;
        tree: number;
    }
    interface LayoutData {
        items?: TerminalManagerLayoutData;
        widget: TerminalManagerTreeWidget;
        terminalAndTreeRelativeSizes: PanelRelativeSizes | undefined;
    }
}
export declare class TerminalManagerWidget extends BaseWidget implements StatefulWidget, ApplicationShell.TrackableWidgetProvider, ExtractableWidget {
    static ID: string;
    static LABEL: string;
    isExtractable: boolean;
    secondaryWindow: Window | undefined;
    protected panel: SplitPanel;
    protected pageAndTreeLayout: SplitLayout | undefined;
    protected stateIsSet: boolean;
    pagePanels: Map<`page-${string}`, TerminalManagerTreeTypes.PageSplitPanel>;
    groupPanels: Map<`group-${string}`, TerminalManagerTreeTypes.GroupSplitPanel>;
    /** By node ID: safer for state restoration. */
    terminalWidgets: Map<`terminal-${string}`, TerminalWidget>;
    /** By terminal ID to work from widget to internal metadata. */
    terminalWidgetIdsToNodeIds: Map<string, `terminal-${string}`>;
    /** Track disposables per terminal to prevent memory leaks. */
    protected terminalDisposables: Map<`terminal-${string}`, DisposableCollection>;
    protected readonly onDidChangeTrackableWidgetsEmitter: Emitter<Widget[]>;
    readonly onDidChangeTrackableWidgets: import("@theia/core").Event<Widget[]>;
    protected terminalPanelWrapper: Panel;
    protected interceptCloseRequest: boolean;
    protected terminalFrontendContribution: TerminalFrontendContribution;
    readonly treeWidget: TerminalManagerTreeWidget;
    protected readonly splitPositionHandler: SplitPositionHandler;
    protected readonly shell: ApplicationShell;
    protected readonly terminalManagerPreferences: TerminalManagerPreferences;
    protected readonly applicationStateService: FrontendApplicationStateService;
    protected readonly widgetManager: WidgetManager;
    protected readonly storageService: StorageService;
    protected readonly logger: ILogger;
    protected readonly terminalsDeletingFromClose: Set<`terminal-${string}`>;
    static createRestoreError: (nodeId: string) => Error;
    static createContainer(parent: interfaces.Container): interfaces.Container;
    static createWidget(parent: interfaces.Container): Promise<TerminalManagerWidget>;
    protected init(): void;
    /** Yields all terminal widgets owned by this widget and then closes this widget. */
    drainWidgets(): IterableIterator<TerminalWidget>;
    populateLayout(force?: boolean): Promise<void>;
    createTerminalWidget(options?: TerminalWidgetOptions): Promise<TerminalWidget>;
    protected registerListeners(): void;
    protected handleNodeRenamed(node: TerminalManagerTreeTypes.TerminalManagerTreeNode): void;
    setPanelSizes({ terminal, tree }?: TerminalManagerWidgetState.PanelRelativeSizes): void;
    getTrackableWidgets(): Widget[];
    toggleTreeVisibility(): void;
    protected createPageAndTreeLayout(relativeSizes?: TerminalManagerWidgetState.PanelRelativeSizes): Promise<void>;
    protected resolveMainLayout(relativeSizes?: TerminalManagerWidgetState.PanelRelativeSizes): Promise<void>;
    protected onAfterAttach(msg: Message): void;
    protected onCloseRequest(msg: Message): void;
    protected confirmClose(): Promise<boolean>;
    /**
     * Add a terminal to a page. If no `pageId` is given, a new auto-numbered
     * page is created. If a `pageId` is given, the existing page is reused
     * or a new one is created (with special-page config applied if available).
     */
    addTerminalPage(widget: Widget, pageId?: TerminalManagerTreeTypes.PageId): void;
    protected addTerminalReference(widget: TerminalWidget, nodeId: TerminalManagerTreeTypes.TerminalKey): void;
    protected removeTerminalReferenceByWidgetId(widgetId: string): boolean;
    protected removeTerminalReferenceByNodeId(nodeId: TerminalManagerTreeTypes.TerminalKey): boolean;
    protected createPagePanel(pageId?: TerminalManagerTreeTypes.PageId): TerminalManagerTreeTypes.PageSplitPanel;
    protected generateUUIDAvoidDuplicatesFromStorage(idPrefix: 'group-' | 'page-'): string;
    protected handlePageAdded(pageId: TerminalManagerTreeTypes.PageId): void;
    protected handlePageDeleted(pagePanelId: TerminalManagerTreeTypes.PageId): void;
    protected clearGroupReferences(panel: TerminalManagerTreeTypes.PageSplitPanel): void;
    addTerminalGroupToPage(widget: Widget, pageId: TerminalManagerTreeTypes.PageId): void;
    protected createTerminalGroupPanel(groupId?: TerminalManagerTreeTypes.GroupId): TerminalManagerTreeTypes.GroupSplitPanel;
    protected handleTerminalGroupAdded(groupId: TerminalManagerTreeTypes.GroupId, pageId: TerminalManagerTreeTypes.PageId): void;
    protected activateTerminalWidget(terminalKey: TerminalManagerTreeTypes.TerminalKey): Promise<Widget | undefined>;
    activateWidget(id: string): Widget | undefined;
    protected handleTerminalGroupDeleted(groupPanelId: TerminalManagerTreeTypes.GroupId): void;
    protected clearTerminalReferences(panel: TerminalManagerTreeTypes.GroupSplitPanel): void;
    addWidgetToTerminalGroup(widget: Widget, groupId: TerminalManagerTreeTypes.GroupId): void;
    protected onActivateRequest(msg: Message): void;
    protected handleWidgetAddedToTerminalGroup(terminalKey: TerminalManagerTreeTypes.TerminalKey, groupId: TerminalManagerTreeTypes.GroupId): void;
    protected handleTerminalDeleted(terminalId: TerminalManagerTreeTypes.TerminalKey): void;
    protected handleOnDidChangeActiveWidget(widget: Widget | null): void;
    protected handleSelectionChange(changeEvent: TerminalManagerTreeTypes.SelectionChangedEvent): void;
    protected updateViewPage(activePageId: TerminalManagerTreeTypes.PageId): void;
    deleteTerminal(terminalId: TerminalManagerTreeTypes.TerminalKey): void;
    deleteGroup(groupId: TerminalManagerTreeTypes.GroupId): void;
    deletePage(pageNode: TerminalManagerTreeTypes.PageId): void;
    toggleRenameTerminal(entityId: TerminalManagerTreeTypes.TerminalManagerValidId): void;
    storeState(): TerminalManagerWidgetState.LayoutData;
    restoreState(oldState: TerminalManagerWidgetState.LayoutData): void;
    protected resetLayout(): void;
    resetView(): Promise<void>;
    protected iterateAndRestoreLayoutTree(pageLayouts: TerminalManagerWidgetState.PageLayoutData[], treeWidget: TerminalManagerTreeWidget): void;
    restoreLayoutData(items: TerminalManagerWidgetState.TerminalManagerLayoutData, treeWidget: TerminalManagerTreeWidget): void;
    getLayoutData(): TerminalManagerWidgetState.LayoutData;
    protected activateNextAvailableTerminal(excludeTerminalKey: TerminalManagerTreeTypes.TerminalKey): void;
    dispose(): void;
}
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