ChangedFilesProvider lists (in lexicographic order) the files changed as part of a Gerrit patchset.

NewClient returns a new gerrit client.

CodeReview is the default (soon to be removed) gerrit code review label.

Merged status indicates a Gerrit change has been merged.

New status indicates a Gerrit change is new (ie pending).

This message will be sent if users press the `SEND AND START REVIEW` button.

ReadyForReviewMessage are the messages for a Gerrit change if it's changed from Draft to Active.

Client holds a instance:handler map.

ChangeInfo is a gerrit.ChangeInfo.

FileInfo is a gerrit.FileInfo.

Map from instance name to repos to lastsync time for that repo.

RevisionInfo is a gerrit.RevisionInfo.