public StackInstanceSummary withLastDriftCheckTimestamp(java.util.Date lastDriftCheckTimestamp) {
        setLastDriftCheckTimestamp(lastDriftCheckTimestamp);
        return this;
    }
<p>
Most recent time when CloudFormation performed a drift detection operation on the stack instance. This value will
be <code>NULL</code> for any stack instance on which drift detection hasn't yet been performed.
</p>

@param lastDriftCheckTimestamp
       Most recent time when CloudFormation performed a drift detection operation on the stack instance. This
       value will be <code>NULL</code> for any stack instance on which drift detection hasn't yet been performed.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudformation/src/main/java/com/amazonaws/services/cloudformation/model/StackInstanceSummary.java