     
     /**
     A CGColor representation of the current color.
+    
+        let c = C4Color()
+        let cg = c.CGColor
     
     :returns: CGColorRef object that matches the color's `internalColor` property
     */

    /**
    Initializes and returns a new C4Color object based on a provided CGColor object.
    
    :param: color A CGColor object that will be used to create a new C4Color.
    */
    public init(_ color: CGColorRef) {

    
    /**
    The set of 3 color values + alpha that define the current color.

    :returns: An array of 4 Double values in the range [0.0 ... 1.0]
    */
    public var components: [Double] {
