private static boolean isInsideQualifierClass(PsiElement position) {
   if (position.getParent() instanceof PsiJavaCodeReferenceElement) {
     final PsiElement qualifier =
         ((PsiJavaCodeReferenceElement) position.getParent()).getQualifier();
     if (qualifier instanceof PsiJavaCodeReferenceElement) {
       final PsiElement qualifierClass = ((PsiJavaCodeReferenceElement) qualifier).resolve();
       if (qualifierClass instanceof PsiClass) {
         PsiElement parent = position;
         final PsiManager psiManager = position.getManager();
         while ((parent = PsiTreeUtil.getParentOfType(parent, PsiClass.class, true)) != null) {
           if (psiManager.areElementsEquivalent(parent, qualifierClass)) {
             return true;
           }
         }
       }
     }
   }
   return false;
 }