B2 account ID that owns the file.
Native B2 action for this file version.
B2 bucket ID that contains the file.
File content length in bytes.
OptionalcontentMD5 checksum reported by B2, when present.
SHA-1 checksum reported by B2.
File content type recorded by B2.
Native B2 file ID.
User metadata key-value pairs recorded on the file.
Native B2 file name.
OptionalserverServer-side encryption metadata, when present.
B2 upload timestamp in epoch milliseconds.
Legacy normalized B2 file info shape retained for compatibility.