ViewController-usage.swift

 
override func viewDidLoad() {
   super.viewDidLoad()
   let likeGesture = LikeGestureRecognizer(target: self, action: #selector(handleLikeGesture(gesture:)))
   self.viewGesture.addGestureRecognizer(likeGesture)
 }

 @objc private func handleLikeGesture(gesture:LikeGestureRecognizer) {
        print("I never be called. You have to implement gesture recognizer's state setters")
 }