connectionNumber = int64(0)
)

// Used only when running in KNative, to handle the load balancing behavior.
var firstRequest = uatomic.NewBool(true)

var knativeEnv = env.Register("K_REVISION", "",
	"KNative revision, set if running in knative").Get()

// DiscoveryStream is a server interface for XDS.
type DiscoveryStream = xds.DiscoveryStream

// DeltaDiscoveryStream is a server interface for Delta XDS.