55709c6d76bc37a4a0c6b88bcb1becae76ee8f12
Requires a PatchSet.Id to be included when instantiating ChangeMessage. PatchSet.Id can be null if necessary, for instance in the case of MergeOp messages. Change-Id: I2d6d980d986f72a5aed2de6443632a47e6238215
Description
RETIRED, Gerrit as used by OpenStack