String getJavaExpression() {
                "new File(\"$directoryPath\").listFiles((File f) -> true)"
            }

            @Override
            String getGroovyExpression() {
                "new File(\"$directoryPath\").listFiles((FileFilter) (File file) -> true)"
            }
        }
    }

    static UndeclaredFileAccess directoryContentWithFilenameFilter(String directoryPath) {

            if (file.endsWith(".gradle.kts")) {
                withProblem("Settings file '${relativePath(file)}': external process started")
            } else {
                withProblem("Settings file '${relativePath(file)}': line 5: external process started")
            }
        }

        where:
        snippetsFactory             | file

                execute(["some", "string"] as String[])
                execute(["some", "string"] as String[], ["array"] as String[], file("test"))
                execute(["some", "string"] as String[], ["array"], file("test"))

                execute(["some", "string"])
                execute(["some", "string"], ["array"] as String[], file("test"))
                execute(["some", "string"], ["array"], file("test"))

            [fromString(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],
            [fromGroovyString(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],
            [fromStringArray(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],
            [fromStringList(), "execute(command, ['FOOBAR=foobar'], file('$pwd'))", pwd, "foobar"],

    fun fileSystemEntryObserved(file: File, consumer: String?)

    fun directoryChildrenObserved(directory: File, consumer: String?)

                public static Process execute(String[] command) { return null; }
                public static Process execute(String[] command, String[] envp, File file) { return null; }
                public static Process execute(String[] command, List<?> envp, File file) { return null; }
                public static Process execute(List<?> command) { return null; }

                outputFile.set(layout.buildDirectory.file("consumer-output.txt"))
            }
        '''

        and:
        file('producer-input.txt').text = '42'

        when:
        configurationCacheRun 'consumer'

        then:
        configurationCache.assertStateStored(true)

        and:
        file('build/consumer-output.txt').text == '42'

        given:
        TestFile buildLogicInput = file('input.txt').tap {
            text = 'foo!'
        }
        TestFile initScript = file('initscript.gradle').tap {
            text = """
                // TODO: replace by public API
                def providers = gradle.services.get(ProviderFactory)
                def fileFactory = gradle.services.get(org.gradle.api.internal.file.FileFactory)

            cacheKeyStringFromStartParameter {
                includeBuild(file("included"))
            },
            equalTo(
                cacheKeyStringFromStartParameter {
                    includeBuild(file("included"))
                }
            )
        )
        assertThat(
            cacheKeyStringFromStartParameter {
                includeBuild(file("included"))
            },

        problems.assertFailureHasProblems(failure) {
            withProblem("Build file 'inc/sub/build.gradle': line 2: registration of listener on 'Gradle.buildFinished' is unsupported".replace('/', File.separator))
            withProblem("Build file 'inc/sub/build.gradle': line 5: invocation of 'Task.project' at execution time is unsupported.".replace('/', File.separator))