static @NlsContexts.NotificationContent @NotNull String emulateTitle(@NotNull @Nls String title, @NotNull @Nls String content) {
    return new HtmlBuilder()
      .append(raw(title).bold()).br()
      .appendRaw(content)
      .toString();
  }
static @NlsContexts.NotificationContent @NotNull String emulateTitle(@NotNull @Nls String title, @NotNull @Nls String content)