export declare class MenuItemBase { nameId: string; sortIndex: number; iconId?: string; protected _name: string; protected _isEnabled: boolean; checkEnabled: (item: MenuItemBase) => boolean; constructor(nameId: string, sortIndex?: number, iconId?: string); protected commitNameProperties(): void; protected commitIsEnabledProperties(): void; get isEnabled(): boolean; set isEnabled(value: boolean); get name(): string; set name(value: string); }