public Service withPlacementConstraints(java.util.Collection<PlacementConstraint> placementConstraints) {
        setPlacementConstraints(placementConstraints);
        return this;
    }
<p>
The placement constraints for the tasks in the service.
</p>

@param placementConstraints
       The placement constraints for the tasks in the service.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ecs/src/main/java/com/amazonaws/services/ecs/model/Service.java