@Nullable
  static FileHistoryRefresherI findExistingHistoryRefresher(@NotNull Project project,
                                                            @NotNull FilePath path,
                                                            @Nullable VcsRevisionNumber startingRevisionNumber) {
    JComponent component = ContentUtilEx.findContentComponent(getToolWindow(project).getContentManager(), comp ->
      comp instanceof FileHistoryContentPanel &&
      sameHistories(((FileHistoryContentPanel)comp).getPath(), ((FileHistoryContentPanel)comp).getRevision(), path,
                    startingRevisionNumber));
    if (component == null) return null;
    DataProvider dataProvider = DataManagerImpl.getDataProviderEx(component);
    if (dataProvider == null) return null;
    return VcsInternalDataKeys.FILE_HISTORY_REFRESHER.getData(dataProvider);
  }
@Nullable
  static FileHistoryRefresherI findExistingHistoryRefresher(@NotNull Project project,
                                                            @NotNull FilePath path,
                                                            @Nullable VcsRevisionNumber startingRevisionNumber)