private static boolean isStandaloneField(@Nullable PsiElement psiElement) {
    if (psiElement == null || !BasicJavaAstTreeUtil.is(BasicJavaAstTreeUtil.toNode(psiElement), BASIC_FIELD)) return false;
    PsiElement node = PsiTreeUtil.nextLeaf(psiElement, true);
    if (node == null) {
      return false;
    }
    return !",".equals(node.getText());
  }
private static boolean isStandaloneField(@Nullable PsiElement psiElement)