task.getGithubToken().set(project.getProviders().environmentVariable("GITHUB_TOKEN"));
            task.getReleaseNotes().set(extension.getReleaseNotes().getMarkdownFile());
            task.getMilestone().convention(project.getProviders().fileContents(project.getIsolated().getRootProject().getProjectDirectory().file("version.txt")).getAsText().map(String::trim));

import javax.inject.Inject;
import java.util.Collections;

public abstract class GradleBuildDocumentationPlugin implements Plugin<Project> {

    @Inject
    protected abstract ProviderFactory getProviders();

    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();
        ObjectFactory objects = project.getObjects();