public Integer getInstancesToUpdateOnRollback() {
        return this.instancesToUpdateOnRollback;
    }
<p>
Indicates the value of <code>InstancesToUpdate</code> at the time the rollback started.
</p>

@return Indicates the value of <code>InstancesToUpdate</code> at the time the rollback started.
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/RollbackDetails.java