code: function(oInstance) {
  			// activate the customizing configuration
  			var oUI5Manifest = this.getEntry("sap.ui5", true),
  				mExtensions = oUI5Manifest && oUI5Manifest["extends"] && oUI5Manifest["extends"].extensions;
  			if (!jQuery.isEmptyObject(mExtensions)) {
  				var CustomizingConfiguration = sap.ui.requireSync('sap/ui/core/CustomizingConfiguration');
  				if (!oInstance) {
  					CustomizingConfiguration.activateForComponent(this.getComponentName());
  				} else {
  					CustomizingConfiguration.activateForComponentInstance(oInstance);
  				}
  			}
  		}
docs: Activates the customizing for the component or a dedicated component
  instance when providing the component instance as parameter.
  @param {sap.ui.core.Component} [oInstance] Reference to the Component instance
  @private