@overload initialize(opts)

  Create a {MessagingHandler} with options +opts+
  @option opts [Integer] :prefetch (10)
   The number of messages to  fetch in advance, 0 disables prefetch.
  @option opts [Boolean] :auto_accept  (true)
   If true, incoming messages are accepted automatically after {#on_message}.
   If false, the application can accept, reject or release the message
   by calling methods on {Delivery} when the message has been processed.
  @option opts [Boolean] :auto_settle (true) If true, outgoing
   messages are settled automatically when the remote peer settles. If false,
   the application must call {Delivery#settle} explicitly.
  @option opts [Boolean] :auto_open (true)
   If true, incoming connections are  opened automatically.
   If false, the application must call {Connection#open} to open incoming connections.
  @option opts [Boolean] :auto_close (true)
   If true, respond to a remote close automatically with a local close.
   If false, the application must call {Connection#close} to finish closing connections.
  @option opts [Boolean] :peer_close_is_error (false)
   If true, and the remote peer closes the connection without an error condition,
   the set the local error condition {Condition}("error", "unexpected peer close")

@overload initialize(prefetch=10, auto_accept=true, auto_settle=true, peer_close_is_error=false) @deprecated use +initialize(opts)+ overload

@private