public java.util.Date getLastRefreshTimestamp() {
        return this.lastRefreshTimestamp;
    }
<p>
The timestamp of when the instance recommendation was last generated.
</p>

@param lastRefreshTimestamp
       The timestamp of when the instance recommendation was last generated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-computeoptimizer/src/main/java/com/amazonaws/services/computeoptimizer/model/InstanceRecommendation.java