public DomainSummary withLastUpdatedAt(java.util.Date lastUpdatedAt) {
        setLastUpdatedAt(lastUpdatedAt);
        return this;
    }
<p>
A timestamp of when a Amazon DataZone domain was last updated.
</p>

@param lastUpdatedAt
       A timestamp of when a Amazon DataZone domain was last updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/DomainSummary.java