kubernetes/vendor/google.golang.org/grpc/internal/transport/networktype/networktype.go

type keyType …

const key …

// Set returns a copy of the provided address with attributes containing networkType.
func Set(address resolver.Address, networkType string) resolver.Address { … }

// Get returns the network type in the resolver.Address and true, or "", false
// if not present.
func Get(address resolver.Address) (string, bool) { … }