@NotNull
  public synchronized Set<SuppressIntentionAction> getAvailableSuppressActions() {
    if (myAvailableSuppressActions == null) {
      updateAvailableSuppressActions();
    }
    return myAvailableSuppressActions;
  }
@NotNull
  public synchronized Set<SuppressIntentionAction> getAvailableSuppressActions()