A struct that streaming clients get from rpc function calls and use to send further requests.
Fields
:channel-GRPC.Channel, the channel established by client:payload- data used by adapter in a request:path- the request path to sent:request_mod- the request module, or nil for untyped protocols:response_mod- the response module, or nil for untyped protocols:codec- the codec:req_stream- indicates if request is streaming:res_stream- indicates if reply is streaming