     
     func stretchyTextViewDidChangeSize(textView: LGStretchyTextView) {
         let textViewHeight = CGRectGetHeight(textView.bounds)
-        if countElements(textView.text) == 0 {
+        if count(textView.text) == 0 {
             self.sendButtonHeightConstraint.constant = textViewHeight
         }
         let targetConstant = textViewHeight + textViewInsets.top + textViewInsets.bottom

    // MARK: Message Bubble TextView
    
    private lazy var textView: MessageBubbleTextView = {
        let textView = MessageBubbleTextView()
        self.contentView.addSubview(textView)
        return textView
        }()

    
    // MARK: Private Properties
    
    private let textView = LGStretchyTextView(frame: CGRectZero, textContainer: nil)
    private let sendButton = UIButton.buttonWithType(.System) as! UIButton
    private let blurredBackgroundView: UIToolbar = UIToolbar()
    private var heightConstraint: NSLayoutConstraint!
    private var sendButtonHeightConstraint: NSLayoutConstraint!
