Request that this message will be acked upon receipt by the server.
Request that this message will be acked upon receipt by the server.
An scala.concurrent.duration.Duration representing the timeout for the ack
A io.backchat.hookup.OutboundMessage with this message wrapped in a io.backchat.hookup.NeedsAck envelope
Adds acking support to a message This can only be included in a websocket out message