case update
s9MongoCore0A13MessageHeaderV6OpCodeO6updateyA2EmFWhat are these?
s9MongoCore0A13MessageHeaderV6OpCodeO6updateyA2EmF
FNV24: [2C1X]
case reply
case insert
case query
case getMore
case delete
case killCursors
case message
import MongoCore
enum OpCode
struct MongoMessageHeader
A MongoDB message header, used to identify the type of message and the length of the message