     }
   }
   
-  struct ArrayValueHandler : KeyValueStringFormatterValueHandler {
+  final class ArrayValueHandler : KeyValueStringFormatterValueHandler {
     var lastKeyWasMiss = false
     let array  : [ Any? ]
     var cursor : Int = 0


  // MARK: - Value Handlers
  
  struct KeyValueHandler : KeyValueStringFormatterValueHandler {
    let lastKeyWasMiss = false
    let object : Any?
    

  }
}

fileprivate protocol KeyValueStringFormatterValueHandler: class {
  // Swift 3: Cannot nest protocols in classes, hence outside of the class
  // - if that isn't a class protocol, swiftc 3.1.1 crashes on Linux
  
  var lastKeyWasMiss : Bool { get }

  /**
