public void notifyError(@NonNls @Nullable String displayId,
                          @Nullable HgCommandResult result,
                          @NlsContexts.NotificationTitle @NotNull String failureTitle,
                          @NlsContexts.NotificationContent @NotNull String failureDescription) {
    notifyError(displayId, result, failureTitle, failureDescription, null);
  }
public void notifyError(@NonNls @Nullable String displayId,
                          @Nullable HgCommandResult result,
                          @NlsContexts.NotificationTitle @NotNull String failureTitle,
                          @NlsContexts.NotificationContent @NotNull String failureDescription)