@Override
    public @Nullable DataProvider getDataProvider() {
      Content content = myNode.getContent();
      if (content == null) return null;

      // Try to get data provider from content's component itself.
      // No need to search for data providers in content's component swing hierarchy,
      // because it is inside service view component for which data is provided.
      return DataManagerImpl.getDataProviderEx(content.getComponent());
    }
@Override
    public @Nullable DataProvider getDataProvider()