code: function(bAsync) {
  
  			// extract the i18n URI from the manifest
  			var oManifest = this._oRawManifest,
  				sI18n = (oManifest["sap.app"] && oManifest["sap.app"]["i18n"]) || "i18n/i18n.properties",
  				oI18nURI = new URI(sI18n);
  
  			// load the ResourceBundle relative to the manifest
  			return ResourceBundle.create({
  				url: this._resolveUri(oI18nURI, "manifest").toString(),
  				async: bAsync
  			});
  
  		}
docs: Loads the ResourceBundle which is defined in the manifest
  in "sap.app/i18n".
  
  @param {boolean} bAsync flag, whether to load the ResourceBundle async or not
  @return {Promise|ResourceBundle} Promise which resolves with the ResourceBundle (async) or the ResourceBundle itself (sync)
  @private