private static void checkGrDocReferenceElement(AnnotationHolder holder, PsiElement element) {
    ASTNode node = element.getNode();
    if (node != null && TokenSets.BUILT_IN_TYPES.contains(node.getElementType())) {
      holder.newSilentAnnotation(HighlightSeverity.INFORMATION).textAttributes(GroovySyntaxHighlighter.KEYWORD).create();
    }
  }
private static void checkGrDocReferenceElement(AnnotationHolder holder, PsiElement element)