docs: protected void addJavadocTag(JavaElement javaElement, boolean markAsDoNotDelete) {
          StringBuilder sb = new StringBuilder();
          sb.append(" * ");
          sb.append(MergeConstants.NEW_ELEMENT_TAG);
          if (markAsDoNotDelete) {
              sb.append(" do_not_delete_during_merge");
          }
          javaElement.addJavaDocLine(sb.toString());
      }