the response delay (in milliseconds) for the last IsMaster request (duration between request and its response, or Long.MaxValue
)
the timestamp when the last IsMaster request has been sent (or 0)
the ID of the last IsMaster request (or -1 if none)
the ID of the last IsMaster request (or -1 if none)
the timestamp when the last IsMaster request has been sent (or 0)
the response delay (in milliseconds) for the last IsMaster request (duration between request and its response, or Long.MaxValue
)
(Since version 0.18.2) Will be internal