OptionalbatchBatch index echoed from the request. Present on data responses.
OptionalclientClient-assigned query/request id.
OptionalconnectionServer-assigned connection id for connection-scoped messages.
Fetched result chunks. Empty on the terminal response.
OptionaltotalTotal batch count of the result. Present on the terminal response.
Concrete message type id.
Response containing one batch of result chunks, or the end of the result.