Files.exists(transformedDir.resolve("transformed/${INSTRUMENTATION_CLASSPATH_MARKER.fileName}")) ||
                    Files.exists(transformedDir.resolve("transformed/$ANALYSIS_OUTPUT_DIR/${INSTRUMENTATION_CLASSPATH_MARKER.fileName}")) ||

            ivySerializationHelper.writeRealisedConfigurationsData(encoder, transformed, deduplicationDependencyCache);
        } else if (transformed instanceof RealisedMavenModuleResolveMetadata) {
            mavenSerializationHelper.writeRealisedVariantsData(encoder, transformed);
            mavenSerializationHelper.writeRealisedConfigurationsData(encoder, transformed, deduplicationDependencyCache);
        } else {

    public enum MarkerResource {
        // The transformed marker resource is an empty file to reduce archive size in the most common case.
        TRANSFORMED(new byte[0]),
        // Not transformed marker resource is a 1-byte file with a single "N" symbol.
        NOT_TRANSFORMED(new byte[]{'N'});

        public static final String RESOURCE_NAME = TransformReplacer.class.getName() + ".transformed";

	}
}

type link struct {
	t Transformer
	// b[p:n] holds the bytes to be transformed by t.
	b []byte
	p int
	n int
}

func (l *link) src() []byte {
	return l.b[l.p:l.n]
}

func (l *link) dst() []byte {
	return l.b[l.n:]
}

// Chain returns a Transformer that applies t in sequence.
func Chain(t ...Transformer) Transformer {
	if len(t) == 0 {
		return nop{}
	}

        when:
        transformer.add { it + ' transformed'}

        then:
        transformer.transform('original') == 'original transformed'
    }

    def 'uses original object when Closure returns null'() {
        when:
        transformer.add { null }

        then:
        transformer.transform('original') == 'original'
    }

    def 'uses original object when Closure returns object of unexpected type'() {

            if (!JarUtil.isMultiReleaseJarManifest(parsedManifest)) {
                // If the original JAR is not multi-release, we don't need the manifest in the transformed JAR at all.
                return;
            }
            isMultiReleaseJar = true;

            // We want the transformed JAR to also be a proper multi-release JAR.
            // To do so it must have the "Multi-Release: true" attribute.

        def outputJar = testDir.file("transformed.jar")
        return new JarTestFixture(transform(factory, originalJar, outputJar), 'UTF-8', null, /* checkManifest */ false)
    }

    private TestFile transformDirectory(TransformFactoryType factory, File originalDir) {
        def outputDir = testDir.file("transformed")
        return new TestFile(transform(factory, originalDir, outputDir))
    }

package org.gradle.api.internal.provider;

import org.gradle.api.Transformer;
import org.gradle.api.provider.Provider;

import javax.annotation.Nullable;

public class FlatMapProvider<S, T> extends AbstractMinimalProvider<S> {
    private final ProviderInternal<? extends T> provider;
    private final Transformer<? extends Provider<? extends S>, ? super T> transformer;

        String destFileName = source.getName();
        File receipt = new File(destDir, destFileName + ".receipt");
        File transformed = new File(destDir, destFileName);

        // Avoid file locking overhead by checking for the receipt first.
        if (receipt.isFile()) {
            return transformed;
        }

        final File lockFile = new File(destDir, destFileName + ".lock");

			expectedVerb: "LIST",
		},
		{
			desc:        "LIST should be transformed to WATCH if we have the right query param on the request",
			initialVerb: "LIST",
			request: &http.Request{
				Method: "GET",
				URL: &url.URL{
					RawQuery: "watch=true",
				},
			},
			expectedVerb: "WATCH",
		},
		{
			desc:        "LIST isn't transformed to WATCH if we have query params that do not include watch",
			initialVerb: "LIST",