public Boolean isUnhealthyNodeReplacement() {
        return this.unhealthyNodeReplacement;
    }
<p>
Indicates whether Amazon EMR should gracefully replace Amazon EC2 core instances that have degraded within the
cluster.
</p>

@return Indicates whether Amazon EMR should gracefully replace Amazon EC2 core instances that have degraded
        within the cluster.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/Cluster.java