public DataSourceRunSummary withStartedAt(java.util.Date startedAt) {
        setStartedAt(startedAt);
        return this;
    }
<p>
The timestamp of when a data source run was started.
</p>

@param startedAt
       The timestamp of when a data source run was started.
@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/DataSourceRunSummary.java