.build()
        )
    }

    abstract class NonConstructibleNamedThing extends NamedThing {
        NonConstructibleNamedThing(String name) {
            super(name)
        }
    }

    def "reasonable error message when creating a non-constructible type"() {
        when:
        mutate {
            create("foo", NonConstructibleNamedThing)
        }
        realize()

        then: