var github.com/refraction-networking/utls.ErrUnknownExtension

2 uses

	github.com/refraction-networking/utls (current package)
		u_clienthello_json.go#L12: var ErrUnknownExtension = errors.New("extension name is unknown to the dictionary")
		u_clienthello_json.go#L107: 			return fmt.Errorf("%w: %s", ErrUnknownExtension, accepter.extNameOnly.Name)