public void setDomainIAMRoleName(String domainIAMRoleName) {
        this.domainIAMRoleName = domainIAMRoleName;
    }
<p>
Not supported
</p>

@param domainIAMRoleName
       Not supported
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/ModifyDBInstanceRequest.java