     placeholderLabelMinCenter = placeholderLabel.center.x
     
     addSubview(placeholderLabel)
-    bringSubview(toFront: placeholderLabel)
+    bringSubviewToFront(placeholderLabel)
   }
   
   override open func drawText(in rect: CGRect) {

  // MARK: Notification
  
  private func setupObserver() {
    NotificationCenter.default.addObserver(self, selector: #selector(didBeginChangeText), name: NSNotification.Name.UITextFieldTextDidBeginEditing, object: self)
    NotificationCenter.default.addObserver(self, selector: #selector(didChangeText), name: NSNotification.Name.UITextFieldTextDidChange, object: self)
    NotificationCenter.default.addObserver(self, selector: #selector(didEndChangingText), name: NSNotification.Name.UITextFieldTextDidEndEditing, object: self)
  }
  
  // MARK: - Dealloc

    placeholderLabelMinCenter = placeholderLabel.center.x * scaleCoeff
    
    addSubview(placeholderLabel)
    bringSubviewToFront(placeholderLabel)
  }
  
  func drawPlaceholderIfTextExistInRect(rect: CGRect) {
