         return self
     }
     @discardableResult public func from() -> KittenParentMethods{
-//        self.parent = UIView()
-//        if let parent = self.parent{
-//            self.parentTop = parent.snp.top
-//            self.parentBottom = parent.snp.bottom
-//            self.parentLeft = parent.snp.left
-//            self.parentRight = parent.snp.right
-//        }
         return self
     }
     @discardableResult public func parentTop(_ top : ConstraintItem) -> KittenParentMethods{

    }
    @discardableResult public func from(_ parent : UIScrollView) -> KittenParentMethods{
        self.parent = parent
//        self.parent = UIView()
//        parent.attachContentView(contentView : self.parent!, scrollOrientation : self.orientation)
//        self.parentTop = self.parent?.snp.top
//        self.parentBottom = self.parent?.snp.bottom
//        self.parentLeft = self.parent?.snp.left
//        self.parentRight = self.parent?.snp.right
        return self
    }
    @discardableResult public func from(_ parent : UIView) -> KittenParentMethods{

                }
            }
        }
        return build()
    }
    private func mixBuild() -> UIView{
