public void setLineTime(java.util.Date lineTime) {
        this.lineTime = lineTime;
    }
<p>
The timestamp in the CloudWatch Logs that specifies when the matched line occurred.
</p>

@param lineTime
       The timestamp in the CloudWatch Logs that specifies when the matched line occurred.
aws-java-sdk-applicationinsights/src/main/java/com/amazonaws/services/applicationinsights/model/Observation.java