code: func DefaultConfig() *Config {
  	return &Config{
  		AcceptBacklog:          256,
  		EnableKeepAlive:        true,
  		KeepAliveInterval:      30 * time.Second,
  		ConnectionWriteTimeout: 10 * time.Second,
  		MaxStreamWindowSize:    initialStreamWindow,
  		LogOutput:              os.Stderr,
  	}
  }
docs: // DefaultConfig is used to return a default configuration