@Override
    public void visitThisExpression(@NotNull PsiThisExpression expression) {
      if (myBodyContainsForbiddenRefs) return;

      if (expression.getQualifier() == null) {
        myBodyContainsForbiddenRefs = true;
      }
    }
@Override
    public void visitThisExpression(@NotNull PsiThisExpression expression)