import gradlebuild.instrumentation.transforms.InstrumentationMetadataTransform.Companion.INSTRUMENTED_CLASSES_FILE
import org.gradle.api.DefaultTask
import org.gradle.api.file.ConfigurableFileCollection
import org.gradle.api.file.RegularFileProperty
import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.InputFiles
import org.gradle.api.tasks.OutputFile
import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity

abstract class Producer : DefaultTask() {
    @get:OutputFile
    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>

import org.gradle.api.file.DirectoryProperty
import org.gradle.api.file.FileSystemOperations
import org.gradle.api.file.FileTree
import org.gradle.api.file.FileVisitDetails
import org.gradle.api.file.RegularFileProperty
import org.gradle.api.logging.LogLevel
import org.gradle.api.model.ObjectFactory
import org.gradle.api.tasks.CacheableTask
import org.gradle.api.tasks.Classpath
import org.gradle.api.tasks.InputDirectory

abstract class CurrentVersionInfo extends DefaultTask {
    @Input
    abstract Property<String> getVersion()

    @OutputFile
    abstract RegularFileProperty getVersionInfoFile()

    @TaskAction
    void writeVersionInfo() {
        def properties = new Properties()
        properties.setProperty('latestMilestone', version.get())

abstract class CurrentVersionInfo : DefaultTask() {
    @get:Input
    abstract val version: Property<String>

    @get:OutputFile
    abstract val versionInfoFile: RegularFileProperty

    @TaskAction
    fun writeVersionInfo() {
        val properties = Properties()
        properties.setProperty("latestMilestone", version.get())
        versionInfoFile.get().asFile.outputStream().use { out ->

// tag::unit-of-work[]

// The parameters for a single unit of work
interface ReverseParameters : WorkParameters {
    val fileToReverse : RegularFileProperty
    val destinationDir : DirectoryProperty
}

// The implementation of a single unit of work
abstract class ReverseFile @Inject constructor(val fileSystemOperations: FileSystemOperations) : WorkAction<ReverseParameters> {
    override fun execute() {
        fileSystemOperations.copy {

import org.gradle.api.artifacts.component.ModuleComponentIdentifier
import org.gradle.api.artifacts.result.ResolutionResult
import org.gradle.api.artifacts.result.ResolvedComponentResult
import org.gradle.api.file.RegularFileProperty
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.TaskAction
import org.gradle.internal.util.PropertiesUtils
import org.gradle.util.internal.VersionNumber
import org.gradle.work.DisableCachingByDefault

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

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

import org.gradle.api.artifacts.result.ResolvedArtifactResult;
import org.gradle.api.attributes.Usage;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.RegularFileProperty;
import org.gradle.api.internal.artifacts.configurations.ConfigurationRolesForMigration;
import org.gradle.api.internal.artifacts.configurations.RoleBasedConfigurationContainerInternal;

abstract class GenerateSource : DefaultTask() {
    // The configuration file to use to generate the source file
    @get:InputFile
    abstract val configFile: RegularFileProperty

    // The directory to write source files to
    @get:OutputDirectory
    abstract val outputDir: DirectoryProperty

    @TaskAction
    fun compile() {
        val inFile = configFile.get().asFile