*/
protected void configure(final HttpRequest request) {
request.getHeaders().setAuthorization(String.format("OAuth %s", token));
request.setParser(new JsonObjectParser(jsonFactory));
final ExponentialBackOff backoff = new ExponentialBackOff.Builder().setInitialIntervalMillis(500)
.setMaxElapsedTimeMillis(60000).setMaxIntervalMillis(30000).setMultiplier(1.5)
.setRandomizationFactor(0.5).build();
request.setUnsuccessfulResponseHandler(new HttpBackOffUnsuccessfulResponseHandler(backoff));
}