code: func (g *Cloud) GetAlphaRegionForwardingRule(name, region string) (*computealpha.ForwardingRule, error) {
  	ctx, cancel := cloud.ContextWithCallTimeout()
  	defer cancel()
  
  	mc := newForwardingRuleMetricContextWithVersion("get", region, computeAlphaVersion)
  	v, err := g.c.AlphaForwardingRules().Get(ctx, meta.RegionalKey(name, region))
  	return v, mc.Observe(err)
  }
docs: // GetAlphaRegionForwardingRule returns the Alpha forwarding rule by name & region.