code: public void setData(@Nullable List<C> data) {
          Preconditions.checkState(mGroupBasicAdapter != null, "Must call bindView() first");
          MVHelper mvHelper = (MVHelper) mServices.get(MVHelper.class);
          if (mvHelper != null)
              mvHelper.reset();
          this.mGroupBasicAdapter.setData(data);
      }
docs: Set parsed data list with type {@link C} in Tangram
  @param data Parsed data list.