public java.util.List<String> getMetricGroups() {
        return metricGroups;
    }
<p>
The name of a metric group to add this fleet to. Use a metric group in Amazon CloudWatch to aggregate the metrics
from multiple fleets. Provide an existing metric group name, or create a new metric group by providing a new
name. A fleet can only be in one metric group at a time.
</p>

@return The name of a metric group to add this fleet to. Use a metric group in Amazon CloudWatch to aggregate the
        metrics from multiple fleets. Provide an existing metric group name, or create a new metric group by
        providing a new name. A fleet can only be in one metric group at a time.
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/UpdateFleetAttributesRequest.java