configHashFor(classpathElementTransformFactory, transform, gradleCoreInstrumentationTypeRegistry),
            classpathFileHasher);
        this.classpathElementTransformFactory = classpathElementTransformFactory;
        this.transform = transform;
    }

    protected final Transformer<? extends OUT, ? super IN> transformer;

    public TransformBackedProvider(
        @Nullable Class<OUT> type,
        ProviderInternal<? extends IN> provider,
        Transformer<? extends OUT, ? super IN> transformer
    ) {
        this.type = type;
        this.transformer = transformer;
        this.provider = provider;
    }

    @Nullable
    @Override

        System.out.println("> Cleaning '<gradle-home>/caches/transforms-*/' and '<gradle-home>/caches/<gradle-version>/transforms/*' caches in " + gradleUserHome)
        File caches = new File(gradleUserHome, "caches")

        // <gradle-home>/caches/transforms-*
        List<File> oldCaches = caches.listFiles().findAll {
            it.isDirectory() && it.name.startsWith("transforms-")
        }

        BuildLogic, None
    }

    /**
     * Transforms a classpath to a classpath with the given transformations applied.
     */
    ClassPath transform(ClassPath classPath, StandardTransform transform);

    /**
     * Transforms a classpath to a classpath with the given transformations applied.
     */
    ClassPath transform(ClassPath classPath, ClassTransform additional);

    /**

         * @param transforms The remaining transforms which may be prepended to {@code chain} to produce a solution.
         */
        public ChainState(@Nullable ChainNode chain, ImmutableAttributes requested, ImmutableFilteredList<TransformRegistration> transforms) {
            this.chain = chain;
            this.requested = requested;
            this.transforms = transforms;
        }
    }

    /**

                }
            }
        });
    }

    public void add(final Transformer<String, String> transformer) {
        transformers.add(new Transformer<Reader, Reader>() {
            @Override
            public Reader transform(Reader reader) {
                return new LineFilter(reader, transformer);
            }
        });
    }

    public void add(final Closure closure) {

    def transformer = new StringToEnumTransformer()

    static enum TestEnum {
        ABC, DEF
    }

    def "can transform enums correctly - #desc"() {
        def typesArray = types.collect { new CachedClass(it, null) } as CachedClass[]
        def argsArray = args as Object[]

        expect:
        transformer.transform(typesArray, argsArray).toList() == transformed

        expect:
        asString().transform(1) == "1"
        asString().transform(null) == null
    }

    def "to URL"() {
        expect:
        toURL().transform(new URI("http://localhost:80/path")) == new URL("http://localhost:80/path")
    }

    def "by type"() {
        expect:
        type().transform("foo") == String
    }

    def "action as transformer"() {
        def action = Mock(Action)

        details.getRelativePath() >> new RelativePath(true, "a", "b")
    }

    def 'transforms last segment of path with non-null input'() {
        when:
        action.execute(details);

        then:
        1 * transformer.transform('b') >> 'c'
        1 * details.setRelativePath(new RelativePath(true, "a", "c"))
    }

    def 'does not transform last segment of path with null input'() {

        Set<File> thisClassPathFiles = ImmutableSet.copyOf(originalClassPath.getAsFiles());
        mergedTransforms.putAll(transforms);
        for (Map.Entry<File, File> appendedTransform : classPath.transforms.entrySet()) {
            // If the file is already present on this classpath, it keeps its transform (or lack thereof).