public class SomePlugin implements Plugin<Project> {
                public void apply(Project project) {
                    project.getTasks().register("producer", ProducerTask.class, t -> {
                        t.getOutFile().set(project.getLayout().getBuildDirectory().file("intermediate.txt"));
                    });
                }
            }
        """
        taskDefinition()
    }

    @Override

            public abstract class ProducerTask extends DefaultTask {
                @OutputFile
                public abstract RegularFileProperty getOutFile();

                @TaskAction
                public void run() throws IOException {
                    Files.write(getOutFile().get().getAsFile().toPath(), "content".getBytes());
                }
            }
        """

    }

    @Override

                private final RegularFileProperty outFile = getProject().getObjects().fileProperty();

                @OutputFile
                public RegularFileProperty getOutFile() {
                    return outFile;
                }

                @TaskAction
                public void run() throws IOException {

            import ${TaskAction.name}
            import ${OutputFile.name}

            abstract class ProducerTask extends DefaultTask {
                @OutputFile
                abstract RegularFileProperty getOutFile()

                @TaskAction
                def run() {
                    outFile.get().asFile.text = "content"
                }
            }
        """
    }

    @Override

            import ${RegularFileProperty.name}
            import ${OutputFile.name}

            interface Params {
                @OutputFile
                RegularFileProperty getOutFile()
            }
        """
        taskWithNestedBeanDefinition()
    }

            }

            abstract class InputFilesTask extends DefaultTask {
                @InputFiles abstract ListProperty<FileSystemLocation> getInFiles()
                @OutputFile abstract RegularFileProperty getOutFile()
                @TaskAction def go() {
                    outFile.get().asFile.text = inFiles.get()*.asFile.name.sort().join(',')
                }
            }
            task merge(type: InputFilesTask) {