public @NotNull Disposable addLogWindow(@NotNull VcsLogWindow window) {
    String windowId = window.getId();
    if (ContainerUtil.exists(myLogWindows, w -> w.getId().equals(windowId))) {
      throw new CannotAddVcsLogWindowException("Log window with id '" + windowId + "' was already added. " +
                                               "Existing windows:\n" + getLogWindowsInformation(),
                                               myCreationTraces.get(windowId));
    }

    myLogWindows.add(window);
    myCreationTraces.put(windowId, new Throwable("Creation trace for " + window));
    refresherActivated(window.getRefresher(), true);
    return () -> {
      LOG.debug("Removing disposed log window " + window);
      myLogWindows.remove(window);
      myCreationTraces.remove(windowId);
    };
  }
public @NotNull Disposable addLogWindow(@NotNull VcsLogWindow window)