import { AgoraCloudClassWidget as AgoraWidgetBase } from 'agora-common-libs';
import { EduUIStoreBase } from '../base';
export declare class WidgetUIStore extends EduUIStoreBase {
    private _disposers;
    private _registeredWidgets;
    private _viewportResizeObserver?;
    private _widgetInstances;
    private _stateListener;
    get ready(): boolean;
    get registeredWidgetNames(): string[];
    get widgetInstanceList(): AgoraWidgetBase[];
    get z0Widgets(): AgoraWidgetBase[];
    get z10Widgets(): AgoraWidgetBase[];
    createWidget(widgetId: string, defaults?: Record<'properties' | 'userProperties' | 'trackProperties', any>): void;
    destroyWidget(widgetId: string): void;
    private _extractWidgetNameId;
    private _handleWidgetActive;
    private _handleWidgetInactive;
    private _handlePropertiesUpdate;
    private _handleUserPropertiesUpdate;
    private _handleTrackUpdate;
    private _callWidgetCreate;
    private _callWidgetSetInstanceId;
    private _callWidgetPropertiesUpdate;
    private _callWidgetUserPropertiesUpdate;
    private _callWidgetDestroy;
    private _callWidgetUpdateTrack;
    private _getWidgetTrackMode;
    private _callWidgetInstall;
    private _callWidgetUninstall;
    private _installWidgets;
    private _uninstallWidgets;
    private _handleBecomeActive;
    private _handleBecomeInactive;
    private _getEnabledWidgets;
    private _notifyViewportChange;
    private _createUiCapable;
    onInstall(): void;
    onDestroy(): void;
}