import javax.inject.Inject;

/**
 * Custom extension to configure the {@link CopyRestApiTask}
 */
public class RestResourcesExtension {

    private final RestResourcesSpec restApi;
    private final XpackRestResourcesSpec restTests;

    @Inject
    public RestResourcesExtension(ObjectFactory objects) {
        restApi = new RestResourcesSpec(objects);
        restTests = new XpackRestResourcesSpec(objects);
    }

        project.getPluginManager().apply(RestResourcesPlugin.class);
        project.getPluginManager().apply(InternalYamlRestTestPlugin.class);

        RestResourcesExtension extension = project.getExtensions().getByType(RestResourcesExtension.class);

        // create source set
        SourceSetContainer sourceSets = project.getExtensions().getByType(SourceSetContainer.class);