     }
     
     var _borderLineColor: CGColor {
-        get {
-            return self.__borderLineColor
-        }
+        get { return self.__borderLineColor }
         set(newBorderLineColor) {
             guard newBorderLineColor != self.__borderLineColor else { return }
             self.__borderLineColor = newBorderLineColor

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

    }
    
    var _subdivision: GridLayer.Subdivision {
        get { return self.__subdivision }
        set(newSubdivision) {
            guard newSubdivision != self.__subdivision else { return }
            if self.gridIsShown {
