public void customize(JComponent tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
    Object userObject = ((DefaultMutableTreeNode)value).getUserObject();
    if (userObject instanceof CommittedChangeList changeList) {
      renderChangeList(tree, changeList);
    }
    else if (userObject instanceof String) {
      append((String)userObject, //NON-NLS See CommittedChangesTreeBrowser.buildTreeModel
             SimpleTextAttributes.REGULAR_BOLD_ATTRIBUTES);
    }
  }
public void customize(JComponent tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus)