code: @SuppressWarnings("all")
      public static Completable batchRemove(CacheConfigBean cacheConfigBean, Map<String, List<String>> batchRemoves) {
          return SingleRxXian
                  .call(CacheService.CACHE_SERVICE, "cacheMapBatchRemove", new JSONObject() {{
                      put("cacheConfig", cacheConfigBean);
                      put("batchRemoves", batchRemoves);
                  }})
                  .map(UnitResponse::throwExceptionIfNotSuccess)
                  .toCompletable();
      }
docs: batch remove the elements in the cached map
  
  @param cacheConfigBean cacheConfigBean
  @param batchRemoves    Map(key, fields) the sub map you want to remvoe