 
     // MARK: - Configuration Methods
 
-    func configureConstraints() {
+    private func configureConstraints() {
 
         NSLayoutConstraint.activate([
             titleTextField.leftAnchor.constraint(equalTo: view.leftAnchor, constant: type(of: self).margin),

                }
            }
        }
        toolbar.items = items
        return toolbar
    }


        toolbar.highlightedTintColor = UIColor.blue
        toolbar.selectedTintColor = UIColor.darkGray
        toolbar.disabledTintColor = UIColor.lightGray
        toolbar.frame = CGRect(x: 0, y: 0, width: self.view.frame.width, height: 44.0)
        toolbar.formatter = self

        if htmlMode {
            for item in items {
