abstract RegularFileProperty getOutputFile()

    @TaskAction
    void produce() {
        String message = 'Hello, World!'
        def output = outputFile.get().asFile
        output.text = message
        logger.quiet("Wrote '${message}' to ${output}")
    }
}

abstract class Consumer extends DefaultTask {
    @Input
    abstract Property<String> getMessage()

    @TaskAction
    void consume() {

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

import java.net.URI;

public abstract class Download extends DefaultTask {
    // This property provides access to the service instance
    @Internal
    abstract Property<WebServer> getServer();

    @OutputFile
    abstract RegularFileProperty getOutputFile();

    @TaskAction
    public void download() {

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

import java.net.URI;

public abstract class Download extends DefaultTask {
    // This property provides access to the service instance
    @Internal
    abstract Property<WebServer> getServer();

    @OutputFile
    abstract RegularFileProperty getOutputFile();

    @TaskAction
    public void download() {

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

import java.net.URI;

public abstract class Download extends DefaultTask {
    // This property provides access to the service instance
    @ServiceReference("web")
    abstract Property<WebServer> getServer();

    @OutputFile
    abstract RegularFileProperty getOutputFile();

    @TaskAction
    public void download() {

    abstract val outputFile: RegularFileProperty

    @TaskAction
    fun produce() {
        val message = "Hello, World!"
        val output = outputFile.get().asFile
        output.writeText( message)
        logger.quiet("Wrote '${message}' to ${output}")
    }
}

abstract class Consumer : DefaultTask() {
    @get:Input
    abstract val message: Property<String>

    @TaskAction
    fun consume() {

import org.gradle.api.tasks.InputFile;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.TaskAction;

import java.io.IOException;
import java.nio.file.Files;
import java.util.regex.Pattern;

/**
 * Verifies that the given readme file contains the desired patterns.
 */

 * limitations under the License.
 */

package gradlebuild.buildutils.tasks

import org.gradle.api.tasks.TaskAction
import org.gradle.work.DisableCachingByDefault


@DisableCachingByDefault(because = "Not worth caching")
abstract class GenerateSubprojectsInfo : SubprojectsInfo() {

    @TaskAction
    fun generateSubprojectsInfo() {
        subprojectsJson.asFile.writeText(generateSubprojectsJson())
    }

 */

package gradlebuild.buildutils.tasks

import org.gradle.api.GradleException
import org.gradle.api.tasks.TaskAction
import org.gradle.work.DisableCachingByDefault


@DisableCachingByDefault(because = "Not worth caching")
abstract class CheckSubprojectsInfo : SubprojectsInfo() {

    @TaskAction
    fun checkSubprojectsInfo() {
        if (subprojectsJson.asFile.readText() != generateSubprojectsJson()) {

import org.gradle.api.tasks.SourceTask;
import org.gradle.api.tasks.TaskAction;
import org.gradle.workers.WorkerExecutor;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

abstract public class CreateMD5 extends SourceTask { // <1>

    @OutputDirectory
    abstract public DirectoryProperty getDestinationDirectory(); // <2>

    @TaskAction
    public void createHashes() {

                abstract val fileCollectionInput: ConfigurableFileCollection
                @get:OutputFile
                abstract val fileOutput: RegularFileProperty

                @TaskAction
                fun taskAction() {
                    fileOutput.asFile.get().writeText(input.get())
                }
            }

            tasks.register<MyTask>("myTask") {
                file("src").mkdirs()