buildScript """

        @Managed
        interface Container {
            $type<String> getItems()
        }

        class Rules extends RuleSource {
            @Model
            void createContainer(Container c) {}

            @Mutate
            void addItems(Container c) {
                c.items.add 'foo'
            }

            @Mutate

            task dockerTest(type: BreakingTask) {
                dependsOn 'dockerUp'     // dependsOn createContainer mustRunAfter removeContainer
                finalizedBy 'dockerStop' // dependsOn removeContainer
            }

            task dockerUp(type: BreakingTask) {
                dependsOn 'createContainer'
            }

            task dockerStop(type: BreakingTask) {

    def barney = new DefaultPerson(name: "barney")
    def agedBarney = new DefaultAgeAwarePerson(name: "barney", age: 42)

    def container = createContainer()

    private DefaultPolymorphicDomainObjectContainer<Person> createContainer() {

	recordError(operation, err)
	return out, err
}

func (in instrumentedRuntimeService) CreateContainer(ctx context.Context, podSandboxID string, config *runtimeapi.ContainerConfig, sandboxConfig *runtimeapi.PodSandboxConfig) (string, error) {
	const operation = "create_container"
	defer recordOperation(operation, time.Now())

	out, err := in.service.CreateContainer(ctx, podSandboxID, config, sandboxConfig)
	recordError(operation, err)
	return out, err