Web byte stream containing the exact stored body. Consume or cancel it.
OptionalcontentPreserved MIME type when provided.
OptionaletagOpaque backend generation/entity identifier; not necessarily a content hash.
Logical relative ASCII key, independent of a configured physical prefix/root.
OptionallastISO 8601 timestamp when available.
OptionalmetadataPreserved portable user metadata.
Stored body length in bytes.
OptionalversionBackend object version identifier when supported and returned.
One stored object generation with a web stream; consume or cancel the stream to release resources.