import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.Collections;

@CacheableTask
public abstract class GenerateDocInfo extends DefaultTask {
    @InputFiles
    @PathSensitive(PathSensitivity.RELATIVE)
    public abstract ConfigurableFileCollection getDocumentationFiles();

    @Internal

            task.attributes(attributes);
        });

        TaskProvider<GenerateDocInfo> generateDocinfo = tasks.register("generateDocInfo", GenerateDocInfo.class, task -> {
            task.getDocumentationFiles().from(extension.getUserManual().getRoot());
            task.getDocumentationRoot().convention(extension.getUserManual().getRoot());