public void setLastRefreshTimestamp(java.util.Date lastRefreshTimestamp) {
        this.lastRefreshTimestamp = lastRefreshTimestamp;
    }
<p>
The timestamp of when the Auto Scaling group recommendation was last generated.
</p>

@param lastRefreshTimestamp
       The timestamp of when the Auto Scaling group recommendation was last generated.
aws-java-sdk-computeoptimizer/src/main/java/com/amazonaws/services/computeoptimizer/model/AutoScalingGroupRecommendation.java