public Boolean isRetainExceptOnCreate() {
        return this.retainExceptOnCreate;
    }
<p>
When set to <code>true</code>, newly created resources are deleted when the operation rolls back. This includes
newly created resources marked with a deletion policy of <code>Retain</code>.
</p>
<p>
Default: <code>false</code>
</p>

@return When set to <code>true</code>, newly created resources are deleted when the operation rolls back. This
        includes newly created resources marked with a deletion policy of <code>Retain</code>.</p>
        <p>
        Default: <code>false</code>
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/RollbackStackRequest.java