public TimestampValue withTimeInMillis(Long timeInMillis) {
        setTimeInMillis(timeInMillis);
        return this;
    }
<p>
The value of the timestamp, in the Unix epoch format.
</p>

@param timeInMillis
       The value of the timestamp, in the Unix epoch format.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ioteventsdata/src/main/java/com/amazonaws/services/ioteventsdata/model/TimestampValue.java