public EcsClusterDetails withRunningTasksCount(Integer runningTasksCount) {
        setRunningTasksCount(runningTasksCount);
        return this;
    }
<p>
The number of tasks in the cluster that are in the RUNNING state.
</p>

@param runningTasksCount
       The number of tasks in the cluster that are in the RUNNING state.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-guardduty/src/main/java/com/amazonaws/services/guardduty/model/EcsClusterDetails.java