Implemented by package stores to support Docker feeds.
Notifies the package store that an upload has been completed and should either be deleted or moved to blob storage with the specified digest.
Continues a previously started upload.
Creates a new manifest with the specified content digest.
Creates a new upload with the specified ID.
Deletes the blob with the specified content digest.
Deletes the manifest with the specified content digest.
Returns all of the manifest content digests currently stored.
Returns all of the upload IDs currently stored.
Opens the blob with the specified content digest for reading.
Opens an existing manifest for reading with the specified content digest.
Opens an upload in progress for reading.
This is an alternate interface for package stores. Docker feeds will only use this interface.