Retrieve object metadata
You need READ permission on the object to retrieve its metadata.
The HEAD operation retrieves metadata from an object without returning the object itself. This operation is useful if you’re only interested in an object’s metadata or want to check if an object exists.
The key of the object to retrieve metadata for
Return the metadata only if the ETag matches
Return the metadata only if the object has been modified since the specified time
AWS Signature Version 4
Key of the object
Object metadata retrieved successfully