import { Widget } from "../../core/widget"; export declare class Expander extends Widget { static xtype: string; static EVENT_EXPAND: string; static EVENT_COLLAPSE: string; static EVENT_TRIGGER_CHANGE: string; static EVENT_CHANGE: string; static EVENT_AFTER_INIT: string; static EVENT_BEFORE_POPUPVIEW: string; static EVENT_AFTER_POPUPVIEW: string; static EVENT_BEFORE_HIDEVIEW: string; static EVENT_AFTER_HIDEVIEW: string; populate(items?: any, ...args: any[]): void; setValue(v: string): void; getValue(): string; isViewVisible(): boolean; isExpanded(): boolean; showView(): void; hideView(): void; getView(): T; getAllLeaves(): T[]; getNodeById(id: string): T; getNodeByValue(v: string): T; destroy(): void; }