code: func WithRefreshInterval(value time.Duration) coptions.Opt {
  	return func(p coptions.Params) {
  		if setter, ok := p.(refreshIntervalSetter); ok {
  			setter.SetChConfigRefreshInterval(value)
  		}
  	}
  }
docs: // WithRefreshInterval sets the interval in which the
  // channel config cache is refreshed