code: public static FXMLItem create(final FXMLParams fxmlParams) {
          // Ensure that the uid will be unique at runtime
          return FXMLItemImpl.create(true).uid(fxmlIdGenerator.incrementAndGet()).set(fxmlParams);
      }
docs: Build a Singleton FXML item.
  
  Each call to FXMLItem.get() will return the same FXML Component instance
  
  @param fxmlParams the primitive values for the fxml resource
  
  @return a new fresh FXML item