code: function (vControl, oAppComponent) {
  			var sControlId = (vControl instanceof ManagedObject) ? vControl.getId() : vControl;
  
  			if (!oAppComponent) {
  				Log.error("Determination of a local ID suffix failed due to missing app component for " + sControlId);
  				return false;
  			}
  
  			return !!oAppComponent.getLocalId(sControlId);
  		}
docs: Checks if a control ID has a prefix matching the application component.
  If this prefix exists, the suffix after the component ID is called the local ID.
  
  @param {sap.ui.core.Control|string} vControl - Control or ID to be checked if it is within the generic application
  @param {sap.ui.core.UIComponent} oAppComponent - Application component, needed only if vControl is string (ID)
  @returns {boolean} Whether control has a local ID
  @protected