@Override
  public @Nullable PostfixTemplateEditor createEditor(@Nullable PostfixTemplate templateToEdit) {
    if (templateToEdit == null || templateToEdit instanceof PyEditablePostfixTemplate) {
      PyPostfixTemplateEditor result = new PyPostfixTemplateEditor(this);
      result.setTemplate(templateToEdit);
      return result;
    }
    return null;
  }
@Override
  public @Nullable PostfixTemplateEditor createEditor(@Nullable PostfixTemplate templateToEdit)