@Override
    public <T extends BuildCache> Class<? extends BuildCacheServiceFactory<T>> getBuildCacheServiceFactoryType(Class<T> configurationType) {
        return getBuildCacheServiceFactoryType(configurationType, registrations);
    }

    private static <T extends BuildCache> Class<? extends BuildCacheServiceFactory<T>> getBuildCacheServiceFactoryType(Class<T> configurationType, Set<BuildCacheServiceRegistration> registrations) {

    /**
     * Finds a build cache implementation factory class for the given configuration type.
     */
    <T extends BuildCache> Class<? extends BuildCacheServiceFactory<T>> getBuildCacheServiceFactoryType(Class<T> configurationType);

    /**
     * Replaces local directory build cache.
     */
    void setLocal(DirectoryBuildCache local);

    /**
     * Replaces remote build cache.
     */

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

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