@Inject
                WorkerExecutor getWorkerExecutor() {
                    throw new UnsupportedOperationException()
                }

                @TaskAction
                void executeTask() {
                    ${targetVersion < GradleVersion.version("6.0") ? gradle3Submit : submit}
                }
            }
        """
    }

    @get:Input
    abstract val mostRecent: Property<String>

    @get:Input
    abstract val versions: Property<String>

    @get:Input
    abstract val mostRecentSnapshot: Property<String>

    @TaskAction
    fun prepareVersions() {
        val properties = Properties()
        properties["mostRecent"] = mostRecent.get()
        properties["mostRecentSnapshot"] = mostRecentSnapshot.get()

                @Input
                String val

                @OutputFile
                File outputFile = new File(temporaryDir, "output.txt")

                @TaskAction
                void generate() {
                    outputFile.text = val
                }
            }

            task customTask(type: CustomTask) { val = "$val" }
        """
    }

                plugins { id 'java' }
                group = 'org.test'
                version = '1.0'

                class CustomTask extends DefaultTask {
                    @TaskAction def act() {
                        println 'custom task...'
                    }
                }

                def customTask = tasks.register('customTask', CustomTask)
                tasks.named('jar') {

                @InputFiles
                abstract ConfigurableFileCollection getInputFiles()

                @OutputFile
                abstract RegularFileProperty getOutputFile()

                @TaskAction
                void run() {
                    outputFile.get().asFile.text = inputFiles.files.collect { it.text }.join()
                }
            }