@Input
                @Optional
                abstract Property<String> getGreeting();

                @Input
                Provider<String> message = greeting.map(it -> it + " from Gradle");

                @TaskAction
                void printMessage() {
                    logger.quiet(message().get());
                }
            }
        """

        when:
        impl.unmanagedValue = "Lajos"
        then:
        unmanagedInstance.unmanagedValue == "Lajos"

        when:
        def greeting = impl.sayHello()
        then:
        greeting == "Hello Lajos"

        when:
        impl.managedValue = "Tibor"
        then:
        1 * state.set("managedValue", "Tibor")

        when:

    templates {
        javaAndroidApplication
        structuringSoftwareProjects
        springBootWebApplication {
            target = "app"
        }
        gradlePluginInJava {
            target = "greeting-plugin"
        }
        gradlePluginInJavaInBuildSrc {
            sourceDirectory = gradlePluginInJava.sourceDirectory
            target = "buildSrc"
        }
        buildSrcPluginJavaModuleTransform