@Override
      public boolean isAcceptable(Object element, PsiElement context) {
        final PsiElement grandParent = ((PsiElement)element).getParent().getParent();
        if (grandParent instanceof XmlTag tag) {

          if (!tag.getNamespacePrefix().isEmpty()) {
            return true;
          }
        }
        return false;
      }
@Override
      public boolean isAcceptable(Object element, PsiElement context)