Add ErrInvalidAttributeName error code and header constants (X-Amz-Object-Attributes, X-Amz-Max-Parts, X-Amz-Part-Number-Marker, X-Amz-Delete-Marker) needed by the S3 GetObjectAttributes API. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
clientType
ListExistingPeerUpdates