@Override
  void setDataBufferingEnabled(final boolean enabled) {
    AsyncState state = ProgressManager.getInstance().computeInNonCancelableSection(this::getAsyncState);
    for (UpdatableIndex<?, ?, ?, ?> index : state.myIndices.values()) {
      index.setBufferingEnabled(enabled);
    }
  }
@Override
  void setDataBufferingEnabled(final boolean enabled)