docs: public static EmbeddedServer create(Object identifier,
                                          Routes routeMatcher,
                                          ExceptionMapper exceptionMapper,
                                          StaticFilesConfiguration staticFilesConfiguration,
                                          boolean multipleHandlers) {
  
          EmbeddedServerFactory factory = factories.get(identifier);
  
          if (factory != null) {
              return factory.create(routeMatcher, staticFilesConfiguration, exceptionMapper, multipleHandlers);
          } else {
              throw new RuntimeException("No embedded server matching the identifier");
          }
      }