task.getExcludedPackages().convention(excludedPackages);
        });
        SourceSetContainer sourceSets = project.getExtensions().getByType(SourceSetContainer.class);
        sourceSets.getByName("main", main ->
            main.getOutput().dir(singletonMap("builtBy", asList(apiMapping, defaultImports)), generatedDirectory)
        );

        extension.getUserManual().getResources().from(apiMapping);

        css.include("*.css");
        extension.getCssFiles().from(css);

        extension.getRenderedDocumentation().from(stageDocs);

        Configuration runtimeClasspath = project.getConfigurations().getByName("runtimeClasspath");
        Configuration sourcesPath = project.getConfigurations().create("sourcesPath");
        sourcesPath.attributes(a -> {