import type { RequestTransportCallback } from '@yandex-int/messenger.channels';
import { Context } from '../../libs/Templater';
import * as IWidget from '../../types';
import type { Props } from './template';
export declare abstract class BaseUI<TP extends Props> implements IWidget.UIPlugin {
    protected template: (context: Context<TP>) => string;
    protected ready: boolean;
    protected destroyed: boolean;
    /**
     * @nodoc
     */
    protected widgetProxy?: IWidget.WidgetProxy;
    protected _context?: Context<TP>;
    protected contextProvider?: (widget: IWidget.WidgetProxy) => Partial<TP>;
    protected initialized: boolean;
    constructor(template: (context: Context<TP>) => string);
    protected render(node: HTMLElement): void;
    /**
     * @private
     */
    init(_: IWidget.Options, widgetProxy: IWidget.WidgetProxy): void;
    /**
     * @private
     */
    abstract getChildWindowTransport(params: IWidget.GetChildWindowTransportParams, callback: RequestTransportCallback): void;
    protected get context(): Context<TP>;
    protected get options(): Partial<import("../../config").PresetOptions & IWidget.Options>;
    /**
     * @private
     */
    LCClose(): void;
    protected iframeOpen(props?: Partial<TP>): void;
    protected toggleFullscreen(enabled: boolean): void;
    protected showMount(props?: Partial<TP>): void;
    protected showError(props?: Partial<TP>): void;
    protected showLoader(props?: Partial<TP>): void;
    protected destroy(): void;
    private handleFullscreenOn;
    private handleFullscreenOff;
    private handleErrorRetryClick;
}