code: public <V extends View> void registerCell(String type,
          @NonNull Class<? extends BaseCell> cellClz, @NonNull Class<V> viewClz) {
          registerCell(type, viewClz);
          MVHelper mMVHelper = getService(MVHelper.class);
          if (mMVHelper != null && mMVHelper.resolver() != null) {
              mMVHelper.resolver().registerCompatible(type, cellClz);
          }
      }
docs: register cell after engine has been created
  @param type
  @param cellClz
  @param viewClz
  @param <V>