}

    def "created elements are typed"() {
        when:
        def container = parent.containerWithType(CreatedSubType)
        def action = { CreatedSubType subType ->
            subType.value = "actioned"
        } as Action<CreatedSubType>

        and:
        container.create("created1")
        container.create("created2", {
            it.value = "changed"
        })