An immediate child of a Git tree returned by ArtifactsRepo.readTree.
Lowercase, 40-character SHA-1 object ID.
Canonical Git mode, such as 100644 for a file or 40000 for a tree.
100644
40000
Name relative to the tree being read.
Classification derived from mode.
mode
An immediate child of a Git tree returned by ArtifactsRepo.readTree.