public TableOptimizerRun withStartTimestamp(java.util.Date startTimestamp) {
        setStartTimestamp(startTimestamp);
        return this;
    }
<p>
Represents the epoch timestamp at which the compaction job was started within Lake Formation.
</p>

@param startTimestamp
       Represents the epoch timestamp at which the compaction job was started within Lake Formation.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/TableOptimizerRun.java