                                                    multiplier: m,
                                                    constant: c)
     }
-    
+
+    /// Helper method to facilitate the creation of horizontal spacing constraints
     class func horizontalSpaceConstraint(fromView: UIView, toView: UIView, relation: NSLayoutRelation,
                                                 multiplier m: CGFloat, constant c: CGFloat) -> NSLayoutConstraint {
         


// MARK: - Internal
internal extension NSLayoutConstraint {
    
    class func leadingSpaceConstraint(fromView: UIView, toView: UIView, relation: NSLayoutRelation,
                                             multiplier m: CGFloat, constant c: CGFloat) -> NSLayoutConstraint {
        

                                                   multiplier: m,
                                                   constant: c)
    }

    /// Helper method to facilitate the creation of vertical centering constraints
    class func centerVerticallyConstraint(fromView: UIView, toView: UIView, relation: NSLayoutRelation,
                                                 multiplier m: CGFloat, constant c: CGFloat) -> NSLayoutConstraint {
        
