}

    def "model sets of model set are supported"() {
        given:
        def type = new ModelType<ModelSet<ModelSet<A1>>>() {}

        expect:
        store.getSchema(type) instanceof ModelSetSchema
    }

    static class MyBigInteger extends BigInteger {
        MyBigInteger(String s) {
            super(s)
        }
    }

    static class MyBigDecimal extends BigDecimal {