public FeaturedResultsSet withLastUpdatedTimestamp(Long lastUpdatedTimestamp) {
        setLastUpdatedTimestamp(lastUpdatedTimestamp);
        return this;
    }
<p>
The Unix timestamp when the set of featured results was last updated.
</p>

@param lastUpdatedTimestamp
       The Unix timestamp when the set of featured results was last updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/FeaturedResultsSet.java