Author identity from the commit.
Author email address.
Author name.
Author timestamp in Unix seconds.
Committer timestamp in Unix seconds.
Committer identity from the commit.
Committer email address.
Committer name.
Lowercase, 40-character SHA-1 commit ID.
Commit message with one trailing newline removed, if present.
Parent commit IDs in Git order; empty for a root commit.
Lowercase, 40-character SHA-1 ID of the commit's root tree.
Decoded metadata returned by ArtifactsRepo.readCommit and ArtifactsRepo.log.