docs: public List<GoogleCalendar> getCalendars() throws IOException {
          List<CalendarListEntry> calendarListEntries = dao.calendarList().list().execute().getItems();
          List<GoogleCalendar> calendars = new ArrayList<>();
  
          if (calendarListEntries != null && !calendarListEntries.isEmpty()) {
              for (int i = 0; i < calendarListEntries.size(); i++) {
                  CalendarListEntry calendarListEntry = calendarListEntries.get(i);
                  GoogleCalendar calendar = converter.convert(calendarListEntry, GoogleCalendar.class);
                  calendar.setStyle(com.calendarfx.model.Calendar.Style.getStyle(i));
                  calendars.add(calendar);
              }
          }
  
          return calendars;
      }