@OutputFile
                public File getOutputFile() {
                    return outputFile;
                }

                public void setOutputFile(File outputFile) {
                    this.outputFile = outputFile;
                }

                @Nested
                public NestedBeanWithAction getBean() {
                    return bean;
                }

    @Input
    private String text
    @OutputFile
    private File outputFile

    public String getText() {
        return text
    }

    public void setText(String text) {
        this.text = text
    }

    public File getOutputFile() {
        return outputFile
    }

    public void setOutputFile(File outputFile) {
        this.outputFile = outputFile
    }

    @TaskAction

                @InputFile inputFile
                @OutputFile outputFile

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

                ext.outputFile = file('customDocs.html')
                def outputFile = outputFile
                doLast {
                    outputFile << '<html/>'
                }
            }

            task regularFileTask {
                ext.outputFile = project.objects.fileProperty()
                outputs.file(outputFile)
                outputFile.set(file('regularFile-1.0.reg'))

            task merge(type: MergeTask) {
                outputFile = layout.buildDirectory.file("merged.txt")
                inputFiles.add(createFile1.outputFile)
                inputFiles.add(createFile2.outputFile)
            }

            // Set values lazily
            createFile1.inputFile = layout.projectDirectory.file("file1-source.txt")
            createFile1.outputFile = layout.buildDirectory.file("file1.txt")

            task createFile {
                ext.outputFile = project.objects.fileProperty()
                outputs.file(outputFile)
                def outputFile = ext.outputFile
                doLast {
                    outputFile.get().asFile.text = 'file1'
                }
            }
            task merge(type: MergeTask) {
                outputFile = layout.buildDirectory.file("merged.txt")

        buildFile """
            task producer {
                def outputFile = file("${producedLocation}")
                outputs.${outputType}(${producerOutput == null ? 'outputFile' : "'${producerOutput}'"})
                doLast {
                    outputFile.parentFile.mkdirs()
                    outputFile.text = "produced"
                }
            }

            task consumer {

                @Input
                final Property<String> prop = project.objects.property(String)

                @OutputFile
                final Property<RegularFile> outputFile = project.objects.fileProperty()

                @TaskAction
                void go() {
                    outputFile.get().asFile.text = prop.get()
                }
            }
        """
    }

        buildFile << """
            class CustomTask extends DefaultTask {
                @OutputFile
                @Optional
                File outputFile

                @TaskAction
                void doAction() {
                    if (outputFile != null) {
                        outputFile.write "Task is running"
                    }
                }
            }

                outputFile = file("$buildDir/outputFile")
            }

            abstract class MyTask extends DefaultTask {
                @InputDirectory File inputDir
                @Input String input
                @InputFile File inputFile
                @OutputDirectory File outputDir
                @OutputFile File outputFile