File potentialJava = Jvm.forHome(potentialJavaHome).getJavaExecutable();
                    File desiredJava = desiredJavaHome.getJavaExecutable();
                    return Files.isSameFile(potentialJava.toPath(), desiredJava.toPath());
                }
            } catch (IOException e) {
                // ignore
            }
        }
        return false;
    }

        val classGraph = classGraph()

        val jarUri = URI.create("jar:${jarFile.toPath().toUri()}")
        FileSystems.newFileSystem(jarUri, emptyMap<String, Any>()).use { jarFileSystem ->
            jarFileSystem.rootDirectories.forEach {
                visitClassDirectory(it, classGraph, classesDir, manifestFile.toPath(), buildReceipt.toPath())
            }
        }
        return classGraph
    }

    private

                    return outFile;
                }

                @TaskAction
                public void run() throws IOException {
                    Files.write(outFile.get().getAsFile().toPath(), "content".getBytes());
                }
            }
        """
    }

    @Override
    void taskWithNestedBeanDefinition() {
        pluginDir.file("src/main/java/ProducerTask.java") << """

@DisableCachingByDefault(because = "Abstract super-class, not to be instantiated directly")
abstract class SubprojectsInfo : DefaultTask() {

    private
    val rootPath = project.layout.projectDirectory.asFile.toPath()

    private
    val platformsFolder = project.layout.projectDirectory.dir("platforms")

    private
    val subprojectsFolder = project.layout.projectDirectory.dir("subprojects")

    private

        withDefaultSettings()
        def buildFile = withBuildScript("plugins {\n${plugins.join("\n")}\n}")
        def classFilePath = accessorsClassFor(buildFile).toPath()
        return projectDir.toPath().relativize(classFilePath).toFile()
    }

    private File accessorsClassFor(File buildFile) {
        return classPathFor(projectDir, buildFile)
            .tap { println(it) }

            Artifact artifact = createArtifact("artifact", "1.0");

            File file = new File(artifactBasedir, "artifact-1.0.jar");
            assertEquals("dummy", new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8).trim());

            artifactDeployer.deploy(file, artifact, remoteRepository(), localRepository());

            ArtifactRepository remoteRepository = remoteRepository();

                    def outputDirectory = outputFile.parentFile
                    println("Transforming \$input in output directory \$outputDirectory")
                    java.nio.file.Files.copy(input.toPath(), outputFile.toPath())
                }
            }

            dependencies {
                implementation 'org.test:buildB:1.2'
                implementation 'org.test:buildC:1.2'

            File backupFile = new File(classBackupDir, classFile.getName() + uniqueIndex.incrementAndGet());
            copy(classFile.toPath(), backupFile.toPath());
            result.getBackupClassFiles().put(classFile.getAbsolutePath(), backupFile.getAbsolutePath());
        }
    }

    private static void copy(Path from, Path to) {
        try {

    private List<String> listAllFiles(File file) {
        return Files.find(file.toPath(), 99, { path, attributes -> attributes.isRegularFile() })
            .collect { file.toPath().relativize(it).toString().replace("\\", "/") }
            .toSorted()
    }

    private boolean hasOnlyDirectories(File file) {
        try (Stream<Path> stream = Files.walk(file.toPath())) {
            return stream.allMatch { Files.isDirectory(it) }
        }

        then:
        conditions.eventually {
            waitingForChangesMessageAppears()
        }

        when:
        changeListeners.broadcastChange(FileWatcherRegistry.Type.MODIFIED, file.toPath())

        then:
        conditions.eventually {
            rebuiltBecauseOfChange()
        }

        cleanup:
        cancellationToken.cancel()
        buildExits(runningBuild)
    }