* @param buildCacheServiceFactoryType Implementation type of {@link BuildCacheServiceFactory} that is used to create a {@code BuildCacheService}
     */
    <T extends BuildCache> void registerBuildCacheService(Class<T> configurationType, Class<? extends BuildCacheServiceFactory<? super T>> buildCacheServiceFactoryType);

    /**
     * Returns the local directory cache configuration.
     */

import org.gradle.caching.BuildCacheEntryWriter
import org.gradle.caching.BuildCacheException
import org.gradle.caching.BuildCacheKey
import org.gradle.caching.BuildCacheService
import org.gradle.caching.BuildCacheServiceFactory
import org.gradle.caching.configuration.AbstractBuildCache
import org.gradle.caching.configuration.internal.DefaultBuildCacheConfiguration
import org.gradle.caching.configuration.internal.DefaultBuildCacheServiceRegistration

            class CustomBuildCacheFactory implements BuildCacheServiceFactory<CustomBuildCache> {
                @Override BuildCacheService createBuildCacheService(CustomBuildCache configuration, Describer describer) {
                    new NoOpBuildCacheService()
                }
            }

            class AnotherBuildCacheFactory implements BuildCacheServiceFactory<AnotherBuildCache> {

                @Override void close() throws IOException {}
            }
            class CustomBuildCache extends AbstractBuildCache {}
            class CustomBuildCacheFactory implements BuildCacheServiceFactory<CustomBuildCache> {
                @Override BuildCacheService createBuildCacheService(CustomBuildCache configuration, Describer describer) {
                    describer.type('$type').config('directory', '$directory')

import org.gradle.cache.internal.SingleDepthFilesFinder;
import org.gradle.cache.scopes.GlobalScopedCacheBuilderFactory;
import org.gradle.caching.BuildCacheService;
import org.gradle.caching.BuildCacheServiceFactory;
import org.gradle.caching.local.DirectoryBuildCache;
import org.gradle.internal.file.FileAccessTimeJournal;
import org.gradle.internal.file.FileAccessTracker;
import org.gradle.internal.file.PathToFileResolver;

import com.google.common.annotations.VisibleForTesting;
import org.gradle.api.GradleException;
import org.gradle.authentication.Authentication;
import org.gradle.caching.BuildCacheService;
import org.gradle.caching.BuildCacheServiceFactory;
import org.gradle.caching.http.HttpBuildCache;
import org.gradle.caching.http.HttpBuildCacheCredentials;
import org.gradle.internal.authentication.DefaultBasicAuthentication;

    def setup() {
        settingsFile << """
            class TestBuildCache extends AbstractBuildCache {}
            class TestBuildCacheServiceFactory implements BuildCacheServiceFactory<TestBuildCache> {
                TestBuildCacheService createBuildCacheService(TestBuildCache configuration, Describer describer) {
                    return new TestBuildCacheService(configuration)
                }

        """
            class CustomBuildCache extends AbstractBuildCache {
                String shouldFail
            }

            class CustomBuildCacheServiceFactory implements BuildCacheServiceFactory<CustomBuildCache> {
                CustomBuildCacheService createBuildCacheService(CustomBuildCache configuration, Describer describer) {
                    return new CustomBuildCacheService()
                }

        settingsFile << """
            class FailingBuildCache extends AbstractBuildCache {
                String shouldFail
            }

            class FailingBuildCacheServiceFactory implements BuildCacheServiceFactory<FailingBuildCache> {
                FailingBuildCacheService createBuildCacheService(FailingBuildCache configuration, Describer describer) {
                    return new FailingBuildCacheService(configuration.shouldFail)

            import java.util.*;
            import org.gradle.caching.*;
            import org.apache.commons.codec.binary.Base64;

            public class InMemoryBuildCacheService implements BuildCacheServiceFactory<InMemoryBuildCache> {
                @Override
                public BuildCacheService createBuildCacheService(InMemoryBuildCache configuration, Describer describer) {
                    describer.type("in-memory");