public Cluster withCreateTimestamp(java.util.Date createTimestamp) {
        setCreateTimestamp(createTimestamp);
        return this;
    }
<p>
The date and time when the cluster was created.
</p>

@param createTimestamp
       The date and time when the cluster was created.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudhsmv2/src/main/java/com/amazonaws/services/cloudhsmv2/model/Cluster.java