public LogEvent withTimestamp(Long timestamp) {
        setTimestamp(timestamp);
        return this;
    }
<p>
The time stamp of the log event.
</p>

@param timestamp
       The time stamp of the log event.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-logs/src/main/java/com/amazonaws/services/logs/model/LogEvent.java