code: private String formatBody(URL resetUrl, ILocalAccountPerson account, Locale locale) {
          final STGroup group = new STGroupDir(templateDir, '$', '$');
          final ST template = group.getInstanceOf(templateName);
  
          String name = findDisplayNameFromLocalAccountPerson(account);
          template.add("displayName", name);
          template.add("url", resetUrl.toString());
  
          return template.render();
      }
docs: Get the body content of the email.
  
  @param resetUrl the password reset URL
  @param account the user account that has had its password reset
  @param locale the locale of the user who reset the password
  @return The message body as a string.