poiNearbySearch method Null safety

Future<bool> poiNearbySearch(
  1. dynamic poiNearbySearchOption
)

根据中心点、半径和检索词发起周边检索

onGetPoiNearbySearchResult 通知周边检索结果BMFPoiSearchResult poiNearbySearchOption 周边搜索的搜索参数类（BMFPoiNearbySearchOption） index 页码，如果是第一次发起搜索，填0，根据返回的结果可以去获取第n页的结果，页码从0开始 成功返回ture，否则返回false

Implementation

Future<bool> poiNearbySearch(
    BMFPoiNearbySearchOption poiNearbySearchOption) async {
  return await _poiSearchDispatcher.poiNearbySearch(poiNearbySearchOption);
}