task.getDocumentationRoot().convention(extension.getUserManual().getStagedDocumentation());
            task.getJavadocRoot().convention(layout.getBuildDirectory().dir("javadoc"));
            task.dependsOn(tasks.named("javadocAll"));
        });

        tasks.named(LifecycleBasePlugin.CHECK_TASK_NAME, task -> task.dependsOn(checkDeadInternalLinks));
    }

            );
            task.getDocsDirectory().convention(extension.getDocumentationRenderedRoot());
            task.getPort().convention(webserverPort);

            task.dependsOn(extension.getRenderedDocumentation());
        });

        tasks.register("docs", task -> {
            task.setDescription("Generates all documentation");
            task.setGroup("documentation");

import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.Nested;
import org.gradle.api.tasks.PathSensitive;
import org.gradle.api.tasks.PathSensitivity;
import org.gradle.api.tasks.TaskAction;
import org.gradle.deployment.internal.DeploymentRegistry;