The current entity tag (ETag) for the bucket.
Flag to indicate whether or not the object was modified. If this is true, the getter for the object itself will return null. Callers should check this if they specified one of the request params that might result in a conditional response (like 'if-match'/'if-none-match').
Echoes back the value passed in the opc-client-request-id header, for use by clients when debugging.
Unique Oracle-assigned identifier for the request. If you need to contact Oracle about a particular request, provide this request ID.