export declare class PoCalendarLangService { private language; private readonly months; private readonly shortWeekDays; private readonly monthLabel; private readonly yearLabel; private readonly todayLabel; private readonly previousMonthLabel; private readonly nextMonthLabel; readonly toCleanLabel: { pt: string; en: string; es: string; ru: string; }; private readonly presetLabels; getMonth(month: number): any; getMonthLabel(): any; getMonthsArray(): any[]; getWeekDays(day: number): any; getWeekDaysArray(): any[]; getYearLabel(): any; getTodayLabel(): any; getPreviousMonthLabel(): any; getNextMonthLabel(): any; getToCleanLabel(): any; getPresetLabel(key: string): string; setLanguage(language: string): void; }