}
        };
    }

    @Nullable
    public <IN, OUT, SERVICE> ImplicitInputsProvidingService<IN, OUT, SERVICE> findInputCapturingServiceByName(String name) {
        try {
            // TODO: Whenever we allow _user_ services to be injected, this would have to know
            // from which classloader we need to load the service

        def instantiator = new ImplicitInputsCapturingInstantiator(registry, TestUtil.instantiatorFactory()) {
            @Override
            def <IN, OUT, SERVICE> ImplicitInputsProvidingService<IN, OUT, SERVICE> findInputCapturingServiceByName(String name) {
                services[name]
            }
        }
        rule = new InstantiatingAction<>(
            DefaultConfigurableRules.of(DefaultConfigurableRule.of(ruleClass)),

        @Override
        def <IN, OUT, SERVICE> ImplicitInputsProvidingService<IN, OUT, SERVICE> findInputCapturingServiceByName(String name) {
            services[name]
        }
    }

    def setup() {
        def cacheBuilder
        cacheBuilder = Mock(CacheBuilder) {
            withInitialLockMode(_) >> { cacheBuilder }

        def instantiator = new ImplicitInputsCapturingInstantiator(registry, TestUtil.instantiatorFactory()) {
            @Override
            def <IN, OUT, SERVICE> ImplicitInputsProvidingService<IN, OUT, SERVICE> findInputCapturingServiceByName(String name) {
                services[name]
            }
        }
        rule = new InstantiatingAction<>(
            DefaultConfigurableRules.of(DefaultConfigurableRule.of(ruleClass)),

            String serviceName = implicitEntry.getKey();
            ImplicitInputsProvidingService<Object, Object, ?> provider = Cast.uncheckedCast(serviceRegistry.findInputCapturingServiceByName(serviceName));
            for (ImplicitInputRecord<?, ?> list : implicitEntry.getValue()) {
                if (!provider.isUpToDate(list.getInput(), list.getOutput())) {