code: public void executeQueryAsync(String query, CallbackHandler callbackHandler) throws FMSException {
          IntuitMessage intuitMessage = prepareQuery(query);
  
          //set callback handler
          intuitMessage.getRequestElements().setCallbackHandler(callbackHandler);
  
          //execute async interceptors
          executeAsyncInterceptors(intuitMessage);
      }
docs: Method to retrieve records for the given list of query in asynchronous fashion
  
  @param query
  @param callbackHandler
  the callback handler
  @throws FMSException