code: func ConnectorFunc(connect func([]producers.MetricsMessage, *cli.Context) error) Option {
  	return func(p *Plugin) error {
  		p.ConnectorFunc = connect
  		return nil
  	}
  }
docs: // ConnectorFunc is what the plugin framework will call once it has gathered
  // metrics. It is expected that this function will convert these messages to
  // a 3rd party format and then send the metrics to that service.