public Boolean getForce() {
        return this.force;
    }
<p>
Forces the container instance to be deregistered. If you have tasks running on the container instance when you
deregister it with the <code>force</code> option, these tasks remain running until you terminate the instance or
the tasks stop through some other means, but they're orphaned (no longer monitored or accounted for by Amazon
ECS). If an orphaned task on your container instance is part of an Amazon ECS service, then the service scheduler
starts another copy of that task, on a different container instance if possible.
</p>
<p>
Any containers in orphaned service tasks that are registered with a Classic Load Balancer or an Application Load
Balancer target group are deregistered. They begin connection draining according to the settings on the load
balancer or target group.
</p>

@return Forces the container instance to be deregistered. If you have tasks running on the container instance
        when you deregister it with the <code>force</code> option, these tasks remain running until you terminate
        the instance or the tasks stop through some other means, but they're orphaned (no longer monitored or
        accounted for by Amazon ECS). If an orphaned task on your container instance is part of an Amazon ECS
        service, then the service scheduler starts another copy of that task, on a different container instance
        if possible. </p>
        <p>
        Any containers in orphaned service tasks that are registered with a Classic Load Balancer or an
        Application Load Balancer target group are deregistered. They begin connection draining according to the
        settings on the load balancer or target group.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/DeregisterContainerInstanceRequest.java