     }
     
     var _gridLineOverlapFactor: CGFloat {
-        get {
-            return self.__gridLineOverlapFactor
-        }
+        get { return self.__gridLineOverlapFactor }
         set(newGridLineOverlapFactor) {
             guard newGridLineOverlapFactor != self.__gridLineOverlapFactor else { return }
             self.__gridLineOverlapFactor = newGridLineOverlapFactor

    }
    
    var _gridLineWidth: CGFloat {
        get {
            return self.__gridLineWidth
        }
        set(newGridLineWidth) {
            guard newGridLineWidth != self.__gridLineWidth else { return }
            self.__gridLineWidth = newGridLineWidth

    }
    
    var _mainGridLineColor: CGColor {
        get { return self.__mainGridLineColor }
        set(newMainGridLineColor) {
            guard newMainGridLineColor != self.__mainGridLineColor else { return }
            self.__mainGridLineColor = newMainGridLineColor
