Message was send by client.

Message due to a response by server.

Error code if stream exceeds max allowed size on Append.

Message defines common application layer message fields.

A Stream provides buffering data if stream based protocol is used.

A Transaction defines common fields for all application layer protocols.

TransactionTimestamp defines a transaction its initial timestamps as unix timestamp in milliseconds and time.Time struct.

A Message its direction indicator.

Transport type indicator.