code: public static <T> T getPasswordlessAuthenticationAccount(final RequestContext event, final Class<T> clazz) {
          return getPasswordlessAuthenticationAccount(event.getCurrentEvent(), clazz);
      }
docs: Gets passwordless authentication account.
  
  @param <T>   the type parameter
  @param event the event
  @param clazz the clazz
  @return the passwordless authentication account