final GetQuery getQuery = new GetQuery(HOSTNAME, PORT, PATH, SECURE);
getQuery.getArguments().put("a", "b");
getQuery.setSerializer(new BinarySerializer());
authentication.authenticate(getQuery);
getQuery.execute(new TaskListener<Object>() {
@SuppressWarnings("unchecked")
public void taskExecuted(Task<Object> task) {
Dictionary<String, Object> result = (Dictionary<String, Object>)task.getResult();
System.out.println("GET result: "