@Optional
                @InputFile
                File inputFile

                @OutputFile
                File outputFile

                @TaskAction
                void doAction() {
                    if (inputFile != null) {
                        outputFile.text = inputFile.text
                    }
                }
            }

                @InputFile inputFile
                @OutputFile outputFile

                @TaskAction copy() {
                    outputFile.parentFile.mkdirs()
                    outputFile.text = inputFile.text
                }
            }
            task customTask(type: NonCacheableTask) {
                inputFile = file("input.txt")

                if (project.findProperty("inputFile")) {
                    input = file(project.property("inputFile"))
                }
            }
        """

        file("input").createDir()

        expect:
        succeeds("myTask")

        when:
        file("inputFile").createDir()
        file("inputFile/someContents.txt").text = "input"

        void configure(PersistableConfigurationObject object) {
        }
    }

    def readsObjectFromFile() {
        File inputFile = new File('input')

        when:
        def result = generator.read(inputFile)

        then:
        result == object
        1 * object.load(inputFile)
        0 * _._
    }

    def createsDefaultObject() {
        when:
        def result = generator.defaultInstance()

            }

        """)

        when:
        run "run", "-PinputFile=${inputFile.absolutePath}", "-PoutputFile=${outputFile.absolutePath}"
        then:
        executedAndNotSkipped ":run"

        when:
        def secondInputFile = file("second-input.txt")
        secondInputFile.text = inputFile.text
        run "run", "-PinputFile=${secondInputFile.absolutePath}", "-PoutputFile=${outputFile.absolutePath}"

        execute(unitOfWork)

        when:
        inputFile.write("some new content")

        then:
        outOfDate(unitOfWork, inputFilesChanged(file: [inputFile]))
    }

    def "out-of-date when any input file type changes"() {
        given:
        execute(unitOfWork)

        when:
        inputFile.delete()
        inputFile.createDir()

        then:

    StringBuilder builder = new StringBuilder();

    URL url = ResourceUtil.getResource(getClass().getName().replace('.', '/') + ".txt");

    File inputFile = URLUtil.toFile(url);

    File outputFile = new File(inputFile.getParentFile(), ".out");

    /**
     * @throws Exception
     */
    @Test
    public void testIsToOs() throws Exception {
        final int result = copy(is, os);

                @get:InputFile @get:PathSensitive(PathSensitivity.NONE) var inputFile: File? = null
                @get:OutputFile var outputFile: File? = null
                @TaskAction fun doSomething() {
                    outputFile!!.apply {
                        parentFile.mkdirs()
                        writeText(inputFile!!.readText())
                        appendText("$suffix")
                    }

                    @InputFiles
                    ConfigurableFileCollection getInputFiles()
                }

                @InputArtifact
                abstract Provider<FileSystemLocation> getInput()

                void transform(TransformOutputs outputs) {
                    def inputFile = input.get().asFile
                    println "Transforming " + inputFile.name

    }
}

abstract class Consumer : DefaultTask() {
    @get:InputFiles
    abstract val inputFiles: ListProperty<RegularFile>

    @TaskAction
    fun consume() {
        inputFiles.get().forEach { inputFile ->
            val input = inputFile.asFile
            val message = input.readText()
            logger.quiet("Read '${message}' from ${input}")
        }
    }
}