//allows access to the response object which you can list the request and JSON string response from
result.getResponse();
//gets the rate limit DataSift returned with the response, use it to keep track of usage
result.rateLimit();
//returns the cost of executing the request which produced this result
result.rateLimitCost();
//what's left of your rate limit quota
result.rateLimitRemaining();
Usage usage = datasift.usage().sync();