it.outputLocation.asFile.get() << project.value
                         } else {
                             assert it.outputLocation.asFile.get().exists() && it.outputLocation.asFile.get().directory
                             new File(it.outputLocation.asFile.get(), "file1") << project.value

        task.scalaCompileOptions.incrementalOptions.analysisFile.get().asFile == new File("$project.buildDir/tmp/scala/compilerAnalysis/compileCustomScala.analysis")
        task.scalaCompileOptions.incrementalOptions.classfileBackupDir.get().asFile == new File("$project.buildDir/tmp/scala/classfileBackup/compileCustomScala.bak")
        task.scalaCompileOptions.incrementalOptions.publishedCode.get().asFile == project.tasks['customJar'].archiveFile.get().asFile

        return gson.toJson(subprojects) + '\n'
    }

    private
    fun generateSubprojectsDirectories(): List<File> {
        val subprojectRoots = platformsFolder.asFile.listFiles(File::isDirectory).plus(subprojectsFolder.asFile).plus(testingFolder.asFile)
        return subprojectRoots.map { it.listFiles(File::isDirectory).asList() }.flatten()
    }

    private
    fun generateSubprojects(): List<GradleSubproject> {

        execOps.exec {
            executable = javaExecutable.get().asFile.absolutePath
            args = listOf("-version")
            standardOutput = outputBytes
            errorOutput = outputBytes
        }
        require(outputBytes.toString("UTF-8").contains("version \"11")) {
            "unexpected '${javaExecutable.get().asFile.absolutePath} -version' output"
        }
    }
}

    @Inject
    abstract ProjectLayout getProjectLayout()

    @TaskAction
    void run() {
        File bundleFile = projectLayout.buildDirectory.file("bundle.js").get().asFile
        File[] scriptsFiles = projectLayout.projectDirectory.dir("scripts").asFile.listFiles()

        bundleFile.withOutputStream { stream ->
            scriptsFiles.sort().each {
                stream.write(it.bytes)
            }
        }
    }
}

        srcDir = projectDirectory.file('src').asFile
        println "Contents of $srcDir.name"
        collection.collect { projectDirectory.asFile.relativePath(it) }.sort().each { println it }

        srcDir = projectDirectory.file('src2').asFile
        println "Contents of $srcDir.name"
        collection.collect { projectDirectory.asFile.relativePath(it) }.sort().each { println it }
    }
}
// end::closure[]

}

// tag::testtask-configuration[]
test {
    jacoco {
        destinationFile = layout.buildDirectory.file('jacoco/jacocoTest.exec').get().asFile
        classDumpDir = layout.buildDirectory.dir('jacoco/classpathdumps').get().asFile
    }
}
// end::testtask-configuration[]

// tag::testtask-dependency[]
test {
    finalizedBy jacocoTestReport // report is always generated after tests run
}

        })

        srcDir = projectDirectory.file("src").asFile
        println("Contents of ${srcDir.name}")
        collection.map { it.relativeTo(projectDirectory.asFile) }.sorted().forEach { println(it) }

        srcDir = projectDirectory.file("src2").asFile
        println("Contents of ${srcDir.name}")
        collection.map { it.relativeTo(projectDirectory.asFile) }.sorted().forEach { println(it) }
    }
}
// end::closure[]

// tag::testtask-configuration[]
tasks.test {
    extensions.configure(JacocoTaskExtension::class) {
        destinationFile = layout.buildDirectory.file("jacoco/jacocoTest.exec").get().asFile
        classDumpDir = layout.buildDirectory.dir("jacoco/classpathdumps").get().asFile
    }
}
// end::testtask-configuration[]

// tag::testtask-dependency[]
tasks.test {
    finalizedBy(tasks.jacocoTestReport) // report is always generated after tests run

        // Wait for all asynchronous work submitted to this queue to complete before continuing
        workQueue.await()
        logger.lifecycle("Created ${outputDir.get().asFile.listFiles().length} reversed files in ${projectLayout.projectDirectory.asFile.relativePath(outputDir.get().asFile)}")

        // end::wait-for-completion[]
    }
}

task reverseFiles(type: ReverseFiles) {
    outputDir = layout.buildDirectory.dir("reversed")