@InputFiles
    @SkipWhenEmpty
    @IgnoreEmptyDirectories
    @PathSensitive(PathSensitivity.RELATIVE)
    abstract DirectoryProperty getExtractedPluginRequestsClassesDirectory();

    @OutputDirectory
    abstract DirectoryProperty getPluginAdapterSourcesOutputDirectory();

    @Internal
    abstract ListProperty<PrecompiledGroovyScript> getScriptPlugins();

    @TaskAction

            abstract class Producer extends DefaultTask {
                private $fieldModifier DirectoryProperty foo

                @Inject
                Producer(ObjectFactory objectFactory) {
                    foo = objectFactory.directoryProperty()
                }

                @OutputDirectory
                DirectoryProperty getFoo() { return foo }

                void setFoo(File foo) { throw RuntimeException("") }

            task.from(extension.getUserManual().getResources());

            task.from(generateDocinfo);

            // TODO: This should be available on a Copy task.
            DirectoryProperty flattenedAsciidocDirectory = project.getObjects().directoryProperty();
            flattenedAsciidocDirectory.set(extension.getUserManual().getStagingRoot().dir("raw"));
            task.getOutputs().dir(flattenedAsciidocDirectory);

}

abstract class IntegTestCommandLineArgumentProvider(
) : CommandLineArgumentProvider {
    @get:InputDirectory
    @get:PathSensitive(PathSensitivity.RELATIVE)
    abstract val repoLocation: DirectoryProperty

    @get:Input
    abstract val kotlinVersion: Property<String>

    override fun asArguments() =
        listOf(
            "-DintegTest.apiJarRepoLocation=${repoLocation.get().asFile.absolutePath}",

public interface ProjectLayout {
    /**
     * Returns the project directory.
     */
    Directory getProjectDirectory();

    /**
     * Returns the build directory for the project.
     */
    DirectoryProperty getBuildDirectory();

    /**
     * Creates a {@link RegularFile} provider whose location is calculated from the given {@link Provider}.
     * <p>
     * File system locations based on relative paths will be

 * limitations under the License.
 */
package org.gradle.internal.execution.model.annotations;

import org.gradle.api.file.Directory;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.RegularFile;
import org.gradle.api.file.RegularFileProperty;
import org.gradle.api.problems.Severity;

     * Property[T] -> original type becomes T (also Property[Integer] -> Integer and not int)
     * RegularFileProperty -> original type becomes File
     * DirectoryProperty -> original type becomes File
     * MapProperty[K, V] -> original type becomes Map[K, V]
     * ListProperty[T] -> original type becomes List[T]
     * ConfigurableFileCollection -> original type becomes FileCollection

public enum GradleLazyType {
    CONFIGURABLE_FILE_COLLECTION("org.gradle.api.file.ConfigurableFileCollection"),
    FILE_COLLECTION("org.gradle.api.file.FileCollection"),
    DIRECTORY_PROPERTY("org.gradle.api.file.DirectoryProperty"),
    REGULAR_FILE_PROPERTY("org.gradle.api.file.RegularFileProperty"),
    LIST_PROPERTY("org.gradle.api.provider.ListProperty"),
    SET_PROPERTY("org.gradle.api.provider.SetProperty"),

        "Property<String>"            | "objects.property(String)"            | "null"               | "null"
        "DirectoryProperty"           | "objects.directoryProperty()"         | "file('abc')"        | new File('abc')
        "DirectoryProperty"           | "objects.directoryProperty()"         | "null"               | "null"

import com.google.common.base.Joiner;
import groovy.lang.Closure;
import groovy.lang.DelegatesTo;
import org.gradle.api.Action;
import org.gradle.api.file.DeleteSpec;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileSystemOperations;
import org.gradle.api.internal.ConventionTask;
import org.gradle.api.internal.exceptions.MarkedVerificationException;