public void checkDeadLinks() {
        Map<File, List<Error>> errors = new TreeMap<>();

        getDocumentationRoot().getAsFileTree().matching(pattern -> pattern.include("**/*.adoc")).forEach(file -> {
            gatherDeadLinksInFile(file, errors);
        });
        reportErrors(errors, getReportFile().get().getAsFile());
    }

    private void reportErrors(Map<File, List<Error>> errors, File reportFile) {

                            // Since JDK 11, package-list is missing from javadoc output files and superseded by element-list file, but a lot of external tools still need it
                            // Here we generate this file manually
                            copySpec.from(generatedJavadocDirectory.file("element-list"), sub -> {
                                sub.rename(t -> "package-list");

import org.asciidoctor.gradle.jvm.AsciidoctorTask;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.file.Directory;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.DuplicatesStrategy;
import org.gradle.api.file.ProjectLayout;
import org.gradle.api.file.RelativePath;
import org.gradle.api.provider.Provider;
import org.gradle.api.tasks.PathSensitivity;

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

import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.URI;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.Collections;

/**

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.docs;

import org.gradle.api.Action;
import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.provider.Property;

import javax.inject.Inject;

/**

    }

    private static List<JApiCmpWorkerAction.Archive> toArchives(FileCollection fc) {
        Set<File> files = fc.getFiles();
        List<JApiCmpWorkerAction.Archive> archives = new ArrayList<>(files.size());
        for (File file : files) {
            archives.add(new JApiCmpWorkerAction.Archive(file, "1.0"));
        }
        return archives;
    }

        }
    }

    private static void writePsOutputToFile(File rootProjectDir, List<String> psOutput) {
        String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd-HH-mm-ss"));
        File psOutFile = new File(rootProjectDir, timestamp + ".psoutput");

        try {
            Files.write(psOutFile.toPath(), psOutput);
        } catch (IOException e) {