code: public static Server of(int port) {
          final ServerBuilder sb = new ServerBuilder();
  
          return sb.http(port)
                   .annotatedService("/pathPattern", new PathPatternService())
                   .annotatedService("/injection", new InjectionService())
                   .annotatedService("/messageConverter", new MessageConverterService())
                   .annotatedService("/exception", new ExceptionHandlerService())
                   .build();
      }
docs: Returns a new {@link Server} instance configured with annotated HTTP services.
  
  @param port the port that the server is to be bound to