* @param <C> the kind of configuration details being projected
 */
public interface ProjectsWithConfigurations<P extends ProjectDetails, C extends ConfigurationDetails> {

    Set<P> getProjects();

    Iterable<C> getConfigurationsFor(P project);

    }

    @Override
    public void render(final ProjectsWithConfigurations<ProjectNameAndPath, ConfigurationDetails> projectsWithConfigurations, File outputDirectory) {
        this.outputDirectory = outputDirectory;

        HtmlReportRenderer renderer = new HtmlReportRenderer();
        renderer.render(projectsWithConfigurations.getProjects(), new ReportRenderer<Set<ProjectNameAndPath>, HtmlReportBuilder>() {

public abstract class HtmlDependencyReportTask extends AbstractDependencyReportTask implements Reporting<DependencyReportContainer> {
    private final Cached<ProjectsWithConfigurations<ProjectDetails.ProjectNameAndPath, ConfigurationDetails>> projectsWithConfigurations = Cached.of(this::computeProjectsWithConfigurations);
    private final DependencyReportContainer reports;

    public HtmlDependencyReportTask() {