/// <reference path="../vendor/i18next.d.ts" />
//@ts-ignore
import { i18n } from 'i18next';
import { MenuAPI } from '@dt/core-ui';
import { Model } from '@dt/core-viewer';
import { GcImageViewer } from './GcImageViewer';
export declare const commonStateInit: () => any;
/**
 * Left sidebar API.
 *  @ignore exclude from docs
 **/
export declare class LeftSidebar {
    viewer: GcImageViewer;
    dataLoader: any;
    private _activePanelId;
    private _layersPanel?;
    private _structureTreePanel?;
    private _isViewerReady;
    constructor(viewer: GcImageViewer, dataLoader: any);
    get activePanelId(): string | null;
    set activePanelId(id: string | null);
    get in17n(): i18n;
    get menu(): MenuAPI;
    uiInstance: () => import("@dt/core-ui/lib/types/utils").PublicAPI;
    /**
     * Hide left side bar.
     * @example
     * ```javascript
     * viewer.leftSidebar.hide();
     * ```
     **/
    hide(): void;
    /**
     * Show the left side bar.
     * @example
     * ```javascript
     * viewer.leftSidebar.show();
     * ```
     **/
    show(): void;
    onPanelDataLoaded(key: any, data: any): void;
    updatePanels(state: Model): void;
}