   end
 
   @doc false
-  @doc since: "1.4.0"
   def unregister_name({registry, key}) do
     unregister(registry, key)
   end

  end

  @doc false
  @doc since: "1.4.0"
  def register_name({registry, key}, pid), do: register_name(registry, key, nil, pid)
  def register_name({registry, key, value}, pid), do: register_name(registry, key, value, pid)


  end

  @doc false
  def send({registry, key}, msg) do
    case lookup(registry, key) do
      [{pid, _}] -> Kernel.send(pid, msg)
