@Nullable
  private static ASTNode getDocumentingParameter(@NotNull ASTNode tag) {
    for (ASTNode element = tag.getFirstChildNode(); element != null; element = element.getTreeNext()) {
      if (BasicJavaAstTreeUtil.is(element, BASIC_DOC_PARAMETER_REF)) {
        return element;
      }
    }
    return null;
  }
@Nullable
  private static ASTNode getDocumentingParameter(@NotNull ASTNode tag)