LcapGlobal: { userInfo: UserInfo; i18nInfo: I18nInfo; requestFullscreen(): void; exitFullscreen(): void; back(): void; go(delta: number): void; add(x: number,
y: number): number; minus(x: number,
y: number): number; multiply(x: number,
y: number): number; divide(x: number,
y: number): number; isEqual(x: any,
y: any): boolean; getCustomConfig<T>(key: string): Promise<T>; getUserLanguage(): string; compareKeyboardInput(event: KeyboardEvent,
targets: string[]): boolean; downloadFile(url: string,
filename: string): Promise<void>; downloadFiles(urls: string[],
filename: string): Promise<void>; setI18nLocale(locale: string): void; getI18nList(): { id: string; name: string; }[]; logout(): void; }