code: private Header[] getLinkHeaders(final String resourceUri) throws IOException {
          final HttpHead request = new HttpHead(resourceUri);
          final HttpResponse response = httpClient.execute(request);
          LOGGER.debug("Got: " + response.getStatusLine().getStatusCode() + " for HEAD " + resourceUri);
          return response.getHeaders("Link");
      }
docs: /*
  Get the link headers for the resource at the given Uri.