OptionaldiffIncremental storage size in bytes since the previous snapshot. Unset when the snapshot is not billed on incremental usage.
OptionalexpirationObserved expiration state of the snapshot.
Absolute time at which the snapshot is deleted.
True if the snapshot never expires.
OptionalfullFull logical size of the snapshot, in bytes.
OptionalsourceThe source branch the snapshot was taken from. Format: projects/{project_id}/branches/{branch_id}
Server-observed state of a snapshot.