code: func (g *Cloud) GetAlphaGlobalBackendService(name string) (*computealpha.BackendService, error) {
  	ctx, cancel := cloud.ContextWithCallTimeout()
  	defer cancel()
  
  	mc := newBackendServiceMetricContextWithVersion("get", "", computeAlphaVersion)
  	v, err := g.c.AlphaBackendServices().Get(ctx, meta.GlobalKey(name))
  	return v, mc.Observe(err)
  }
docs: // GetAlphaGlobalBackendService retrieves alpha backend by name.