InstanceGenerator instantiator
    ) {
        Class<? extends BuildCacheServiceFactory<C>> castFactoryType = Cast.uncheckedNonnullCast(
            buildCacheConfiguration.getBuildCacheServiceFactoryType(configuration.getClass())
        );

        BuildCacheServiceFactory<C> factory = instantiator.newInstance(castFactoryType);
        Describer describer = new Describer();