try {
// Log SOAP XML request and response.
AdWordsServiceLogger.log();
// Get AdWordsUser from "~/adwords.properties".
AdWordsUser user = new AdWordsUser();
// Get the TrafficEstimatorService.
TrafficEstimatorServiceInterface trafficEstimatorService =
user.getService(AdWordsService.V201309.TRAFFIC_ESTIMATOR_SERVICE);
// Create keywords. Up to 2000 keywords can be passed in a single request.
List<Keyword> keywords = new ArrayList<Keyword>();
keywords.add(new Keyword(null, null, null, "mars cruise", KeywordMatchType.BROAD));
keywords.add(new Keyword(null, null, null, "cheap cruise", KeywordMatchType.PHRASE));