为什么不打包ConcurrentHashMap [T，ConcurrentLinkedQueue [ U]]与一些漂亮的Scala类方法（例如隐式转换为Iterable或任何你需要的，和一个更新方法）？

Why not wrap ConcurrentHashMap[T,ConcurrentLinkedQueue[U]] with some nice Scala-like methods (e.g. implicit conversion to Iterable or whatever it is that you need, and an update method)?