export default class AdminApplication extends Application { extensionData: ExtensionData; extensionCategories: { feature: number; theme: number; language: number; }; history: { canGoBack: () => boolean; getPrevious: () => void; backUrl: () => any; back: () => void; }; getRequiredPermissions(permission: any): string[]; } import Application from "../common/Application"; import ExtensionData from "./utils/ExtensionData";