Holds extra info about that backpressure server channel.
Represents the state of the link between the client and the backpressure server.
Holds state of the link.
Payload for opening a backpressure link.
Payload for backpressure requests.
Type of the backpressure request.
Payload for closing an existing backpressure link.
Type of the backpressure server channel.
Unique identifier for established backpressure links.
Contains backpressure types and auxiliary classes.