public Integer getPeriod() {
        return this.period;
    }
<p>
The granularity, in seconds, of the returned data points.
</p>
<p>
The <code>StatusCheckFailed</code>, <code>StatusCheckFailed_Instance</code>, and
<code>StatusCheckFailed_System</code> instance metric data is available in 1-minute (60 seconds) granularity. All
other instance metric data is available in 5-minute (300 seconds) granularity.
</p>

@return The granularity, in seconds, of the returned data points.</p>
        <p>
        The <code>StatusCheckFailed</code>, <code>StatusCheckFailed_Instance</code>, and
        <code>StatusCheckFailed_System</code> instance metric data is available in 1-minute (60 seconds)
        granularity. All other instance metric data is available in 5-minute (300 seconds) granularity.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/GetInstanceMetricDataRequest.java