code: function defaultLocale() {
  		var sLocale;
  		// use the current session locale, if available
  		if (window.sap && window.sap.ui && sap.ui.getCore) {
  			sLocale = sap.ui.getCore().getConfiguration().getLanguage();
  			sLocale = normalize(sLocale);
  		}
  		// last fallback is english if no or no valid locale is given
  		return sLocale || "en";
  	}
docs: Returns the default locale (the locale defined in UI5 configuration if available, else "en")
  @returns {string} The default locale