docs: public static Request newPlacesSearchRequest(Session session, Location location, int radiusInMeters,
              int resultsLimit, String searchText, final GraphPlaceListCallback callback) {
          if (location == null && Utility.isNullOrEmpty(searchText)) {
              throw new FacebookException("Either location or searchText must be specified.");
          }
  
          Bundle parameters = new Bundle(5);
          parameters.putString("type", "place");
          parameters.putInt("limit", resultsLimit);
          if (location != null) {
              parameters.putString("center",
                      String.format(Locale.US, "%f,%f", location.getLatitude(), location.getLongitude()));
              parameters.putInt("distance", radiusInMeters);
          }
          if (!Utility.isNullOrEmpty(searchText)) {
              parameters.putString("q", searchText);
          }
  
          Callback wrapper = new Callback() {
              @Override
              public void onCompleted(Response response) {
                  if (callback != null) {
                      callback.onCompleted(typedListFromResponse(response, GraphPlace.class), response);
                  }
              }
          };
  
          return new Request(session, SEARCH, parameters, HttpMethod.GET, wrapper);
      }