@NotNull
  public Notification notifyMinorWarning(@NonNls @Nullable String displayId,
                                         @NotificationTitle @NotNull String title,
                                         @NotificationContent @NotNull String message) {
    return notifyMinorWarning(displayId, title, message, (NotificationListener)null);
  }
@NotNull
  public Notification notifyMinorWarning(@NonNls @Nullable String displayId,
                                         @NotificationTitle @NotNull String title,
                                         @NotificationContent @NotNull String message)