kubernetes/vendor/google.golang.org/grpc/internal/credentials/util.go

const alpnProtoStrH2 …

// AppendH2ToNextProtos appends h2 to next protos.
func AppendH2ToNextProtos(ps []string) []string { … }

// CloneTLSConfig returns a shallow clone of the exported
// fields of cfg, ignoring the unexported sync.Once, which
// contains a mutex and must not be copied.
//
// If cfg is nil, a new zero tls.Config is returned.
//
// TODO: inline this function if possible.
func CloneTLSConfig(cfg *tls.Config) *tls.Config { … }