@Nullable
    @Override
    public Object getData(@NotNull String dataId) {
      if (PlatformDataKeys.COPY_PROVIDER.is(dataId)) return myCopyProvider;
      if (PlatformDataKeys.TREE_EXPANDER.is(dataId)) return myTreeExpander;
      if (VcsDataKeys.SELECTED_CHANGES.is(dataId) ||
          VcsDataKeys.CHANGE_LEAD_SELECTION.is(dataId) ||
          CommittedChangesBrowserUseCase.DATA_KEY.is(dataId)) {
        return myDetailsView.getData(dataId);
      }
      return null;
    }
@Nullable
    @Override
    public Object getData(@NotNull String dataId)