public String getPeriodAlignment() {
        return this.periodAlignment;
    }
<p>
The returned timestamp which is the start or end time of the time periods. The default value is
<code>END_TIME</code>.
</p>

@return The returned timestamp which is the start or end time of the time periods. The default value is
        <code>END_TIME</code>.
@see PeriodAlignment
aws-java-sdk-pi/src/main/java/com/amazonaws/services/pi/model/GetResourceMetricsRequest.java