@Nls
  @NotNull
  private static String buildNotificationMessage(@Nls String message,
                                                 @Nullable Collection<? extends Exception> errors) {
    return message.replace(LINE_SEPARATOR, BR) +
           stringifyErrors(errors);
  }
@Nls
  @NotNull
  private static String buildNotificationMessage(@Nls String message,
                                                 @Nullable Collection<? extends Exception> errors)