code: func WithTLS(t *tls.Config) source.Option {
  	return func(o *source.Options) {
  		if o.Context == nil {
  			o.Context = context.Background()
  		}
  		o.Context = context.WithValue(o.Context, tls.Config{}, t)
  	}
  }
docs: // WithTLS sets the TLS config for the service