For optimistic concurrency control. In the PUT or DELETE call for a resource, set the
parameter to the value of the etag from a previous GET or POST response for that resource. The resource
will be updated or deleted only if the etag you provide matches the resource's current etag value.
The OCID of the image.
RetryConfiguration to be used for the request NOTE : Retries are not supported for requests that have binary or stream bodies this also affects UploadManager operations For all requests with binary/stream bodies, retry attempts are not made