@Override
 public void visitJSConditionalExpression(JSConditionalExpression jsConditionalExpression) {
   super.visitJSConditionalExpression(jsConditionalExpression);
   final JSConditionalExpression containingConditionalExpression =
       PsiTreeUtil.getParentOfType(jsConditionalExpression, JSConditionalExpression.class, true);
   if (containingConditionalExpression == null) {
     return;
   }
   registerError(jsConditionalExpression);
 }