public ModifyDBInstanceRequest withDomain(String domain) {
        setDomain(domain);
        return this;
    }
<p>
Not supported.
</p>

@param domain
       Not supported.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/ModifyDBInstanceRequest.java