 public typealias TapAction = (location: C4Point, state: UIGestureRecognizerState) -> ()
 
 extension UITapGestureRecognizer {
-    /**
-    The closure to call when there is a gesture event.
-    */
+    
+    /// The closure to call when there is a gesture event.
     public var tapAction: TapAction? {
         get {
             return (actionHandler as? TapGestureHandler)?.action

public typealias PinchAction = (scale: Double, velocity: Double, state: UIGestureRecognizerState) -> ()

extension UIPinchGestureRecognizer {
    /**
    The closure to call when there is a gesture event.
    */
    public var pinchAction: PinchAction? {
        get {
            return (actionHandler as? PinchGestureHandler)?.action

public typealias PanAction = (location: C4Point, translation: C4Vector, velocity: C4Vector, state: UIGestureRecognizerState) -> ()

extension UIPanGestureRecognizer {
    
    /// The closure to call when there is a gesture event.
    public var panAction: PanAction? {
        get {
            return (actionHandler as? PanGestureHandler)?.action
