buildFile << """
            class MyTask extends DefaultTask {
                @Output${files ? "Files" : "Directories"} FileCollection out

                @TaskAction def exec() {
                    out.each { it${files ? ".text = 'data' + it.name" : ".mkdirs(); new File(it, 'contents').text = 'data' + it.name"} }
                }
            }

            task myTask(type: MyTask) {

        buildFile << """
            abstract class SomeTask extends DefaultTask {
                ${annotation}
                ${propertyImpl}

                @TaskAction
                void go() {
                    println "value: " + prop.get()
                }
            }

            task show(type: SomeTask) {
                def layout = project.layout

        if (method.getAnnotation(TaskAction.class) == null) {
            return null;
        }
        Class<?> declaringClass = method.getDeclaringClass();
        if (Modifier.isStatic(method.getModifiers())) {
            throw new GradleException(String.format("Cannot use @TaskAction annotation on static method %s.%s().",

import org.gradle.api.DefaultTask
import org.gradle.api.tasks.Nested
import org.gradle.api.tasks.TaskAction

class ManagedNestedBeanJavaInterOpIntegrationTest extends AbstractNestedBeanJavaInterOpIntegrationTest {
    def setup() {
        pluginDir.file("src/main/java/SomeTask.java") << """
            import ${DefaultTask.name};
            import ${TaskAction.name};
            import ${Nested.name};

                @Internal abstract Property<String> getOther()

                @Internal Provider<String> getFoo() {
                    return other;
                }

                @TaskAction
                void useIt() {
                    assert foo.get() == "foobar"
                }
            }
            tasks.register("mytask", MyTask) {

                @TaskAction
                void createOutput() {
                    outputDir.file("untracked.txt").get().asFile.text = "untracked"
                }
            }

            abstract class TrackedProducer extends DefaultTask {
                @OutputDirectory
                abstract DirectoryProperty getOutputDir()

                @TaskAction
                void createOutput() {

package org.example;

import org.gradle.api.DefaultTask;
import org.gradle.api.tasks.TaskAction;

public class GreetingTask extends DefaultTask {
    @TaskAction
    public void greet() {
        System.out.println("Hello from Gradle <7");
    }

package org.example;

import org.gradle.api.DefaultTask;
import org.gradle.api.tasks.TaskAction;

public class GreetingTask extends DefaultTask {
    @TaskAction
    public void greet() {
        System.out.println("Hello from Gradle 7+");
    }

package org.example;

import org.gradle.api.DefaultTask;
import org.gradle.api.tasks.TaskAction;

public class GreetingTask extends DefaultTask {
    @TaskAction
    public void greet() {
        System.out.println("Hello from Gradle 7+");
    }

package org.example

import org.gradle.api.DefaultTask
import org.gradle.api.tasks.TaskAction

abstract class MyTask extends DefaultTask {

    @TaskAction
    void action() {}