code: func NewOptions() Options {
  	return &options{
  		instrumentOpts:               instrument.NewOptions(),
  		retryOpts:                    retry.NewOptions(),
  		tcpConnectionKeepAlive:       defaultTCPConnectionKeepAlive,
  		tcpConnectionKeepAlivePeriod: defaultTCPConnectionKeepAlivePeriod,
  	}
  }
docs: // NewOptions creates a new set of server options