code: function(sDateStyle, sTimeStyle, sCalendarType) {
  			assert(sDateStyle == "short" || sDateStyle == "medium" || sDateStyle == "long" || sDateStyle == "full", "sStyle must be short, medium, long or full");
  			assert(sTimeStyle == "short" || sTimeStyle == "medium" || sTimeStyle == "long" || sTimeStyle == "full", "sStyle must be short, medium, long or full");
  			var sDateTimePattern = this.getDateTimePattern(sDateStyle, sCalendarType),
  				sDatePattern = this.getDatePattern(sDateStyle, sCalendarType),
  				sTimePattern = this.getTimePattern(sTimeStyle, sCalendarType);
  			return sDateTimePattern.replace("{0}", sTimePattern).replace("{1}", sDatePattern);
  		}
docs: Get combined datetime pattern with given date and and time style.
  
  @param {string} sDateStyle the required style for the date part
  @param {string} sTimeStyle the required style for the time part
  @param {sap.ui.core.CalendarType} [sCalendarType] the type of calendar. If it's not set, it falls back to the calendar type either set in configuration or calculated from locale.
  @returns {string} the combined datetime pattern
  @public