For optimistic concurrency control. See {@code if-match}.
this contains the full URI for the get request, e.g. "https://iaas.us-phoenix-1.oraclecloud.com/20210331/bastions/
Unique Oracle-assigned identifier for the request. If you need to contact Oracle about a particular request, please provide the request ID.
Unique Oracle-assigned identifier for the asynchronous request. You can use this to query status of the asynchronous operation.
The returned model.Bastion instance.