code: @Override
    public void layoutParts() {
      readOnlyLabel.getStyleClass().add("read-only-label");
  
      comboBox.setMaxWidth(Double.MAX_VALUE);
      comboBox.setVisibleRowCount(4);
  
      node.setAlignment(Pos.CENTER_LEFT);
      node.getChildren().addAll(comboBox, readOnlyLabel);
    }
docs: {@inheritDoc}