code: public JComponent addSeparator(String text, String attributes) {
          JComponent separator = getComponentFactory().createLabeledSeparator(text);
  		getLayoutBuilder().cell(separator, attributes);
  		return separator;
      }
docs: Adds a labeled separator to the form
  
  @param text
  the key for the label. Must not be null
  @param attributes
  optional attributes. See {@link TableLayoutBuilder} for syntax details