@Override
    public void visitReferenceExpression(@NotNull PsiReferenceExpression ref) {
      super.visitReferenceExpression(ref);
      if (myVariable == null) {
        if (ref.getQualifierExpression() == null) {
          makeUpdated();
          makeQueried();
        }
      } else if (ref.isReferenceTo(myVariable) && !myIgnored.contains(ref)) {
        process(findEffectiveReference(ref));
      }
    }
@Override
    public void visitReferenceExpression(@NotNull PsiReferenceExpression ref)