      currently no value for the specified setting that can be interpreted as 
      a `Double`.
      */
-    public func double(named name: String, default defaultValue: Double)
+    func double(named name: String, default defaultValue: Double)
         -> Double
     {
         return double(named: name) ?? defaultValue

     currently no value for the specified setting that can be interpreted as 
     an array of `Any`.
     */
    public func array(named name: String, default defaultValue: [Any])
        -> [Any]
    {
        return array(named: name) ?? defaultValue

     currently no value for the specified setting that can be interpreted as
     an `NSNumber`.
     */
    func number(named name: String, default defaultValue: NSNumber)
        -> NSNumber
    {
        return number(named: name) ?? defaultValue
