@NotNull
  public Notification notifyError(@NonNls @Nullable String displayId,
                                  @NotificationTitle @NotNull String title,
                                  @NotificationContent @NotNull String message,
                                  @Nullable Collection<? extends Exception> errors) {
    return notifyError(displayId, title, buildNotificationMessage(message, errors));
  }
@NotNull
  public Notification notifyError(@NonNls @Nullable String displayId,
                                  @NotificationTitle @NotNull String title,
                                  @NotificationContent @NotNull String message,
                                  @Nullable Collection<? extends Exception> errors)