public void setStatistic(String statistic) {
        this.statistic = statistic;
    }
<p>
The statistic of the metric. The only valid value is <code>Sum</code>.
</p>

@param statistic
       The statistic of the metric. The only valid value is <code>Sum</code>.
@see MetricStatistic
aws-java-sdk-autoscalingplans/src/main/java/com/amazonaws/services/autoscalingplans/model/CustomizedLoadMetricSpecification.java