void assertWatchedHierarchies(Iterable<File> expected) {
        if (!hierarchicalWatcher) {
            // No hierarchies to expect
            return
        }
        def watchedHierarchies = output.readLines()
            .find { it.contains("Watched directory hierarchies: [") }
            .with { line ->
                def matcher = line =~ /Watched directory hierarchies: \[(.*)]/

        // When
        assertSucceeds()

        // Then
        val instrumentedSuperTypes = File(projectRoot, "distribution/build/instrumentation/instrumented-super-types.properties").readLines()
        val expectedSuperTypes = listOf(
            "org/gradle/api/AbstractTask=org/gradle/api/Task",
            "org/gradle/api/DefaultTask=org/gradle/api/DefaultTask,org/gradle/api/Task",

        configurationCacheFails(":help")

        then:
        failure.assertOutputContains("FOOBAR=$expectedEnvVar\nCWD=${cwd.path}")
        problems.assertFailureHasProblems(failure) {
            def line = 7 + command.readLines().size()
            withProblem("Build file 'build.gradle': line $line: external process started")
        }

        where:

                }
            }
            tasks.register("ok", SomeTask)
        """

        when:
        configurationCacheRun "ok"
        def expected = result.output.readLines().find { it.startsWith("ORDER=") }.substring(6)

        and:
        configurationCacheRun "ok"

        then:
        outputContains(expected)

        where:

    get() = layout.buildDirectory.dir("kotlin-dsl/precompiled-script-plugins-metadata").get().asFile


private
fun implicitImportsFrom(file: File): List<String> =
    file.takeIf { it.isFile }?.readLines() ?: emptyList()


private
fun hashOf(scriptFile: File) =
    PrecompiledScriptDependenciesResolver.hashOf(scriptFile.readText())


private
fun projectScriptModelBuilder(
    scriptFile: File?,

    val scenarioFile = repoRoot().file("performance-test-splits/include-$testProject-performance-scenarios.csv").asFile
    return if (scenarioFile.isFile)
        scenarioFile.readLines(StandardCharsets.UTF_8)
            .filter { it.isNotEmpty() }
            .map {
                val (className, scenario) = it.split(";")
                "$className.$scenario"
            }
    else listOf()

                it.getMyInputs().from(inputs)
            }
        '''
        def configurationCache = newConfigurationCacheFixture()
        def consumedFileNames = {
            file('build/consumer/out.txt').readLines().collect {
                new File(it).name
            }.toSet()
        }

        when:
        configurationCacheRun('consumer', '-DgenerateInputs=4')

        then:

 * - the following methods of [ObjectInputStream] are not supported and will throw [UnsupportedOperationException]:
 *    - `readLine()`, `readFully(ByteArray)`, `readFully(ByteArray, Int, Int)`, `readUnshared()`, `readFields()`, `transferTo(OutputStream)` and `readAllBytes()`.
 * - validations registered via [ObjectInputStream.registerValidation] are simply ignored;

        new Thread(() -> {
            try {
                BufferedReader reader = new BufferedReader(new InputStreamReader(forkedProcessOutput));
                String line;
                while ((line = reader.readLine()) != null) {
                    ps.println(line);
                }
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                latch.countDown();