Ipackets   uint64
	Ierrors    uint64
	Opackets   uint64
	Oerrors    uint64
	Collisions uint64
	Ibytes     uint64
	Obytes     uint64
	Imcasts    uint64
	Omcasts    uint64
	Iqdrops    uint64
	Noproto    uint64
	Lastchange Timespec
}

type IfaMsghdr struct {
	Msglen    uint16
	Version   uint8
	Type      uint8
	Addrs     int32
	Flags     int32
	Metric    int32
	Index     uint16

	Ipackets   uint64
	Ierrors    uint64
	Opackets   uint64
	Oerrors    uint64
	Collisions uint64
	Ibytes     uint64
	Obytes     uint64
	Imcasts    uint64
	Omcasts    uint64
	Iqdrops    uint64
	Noproto    uint64
	Lastchange Timespec
}

type IfaMsghdr struct {
	Msglen    uint16
	Version   uint8
	Type      uint8
	Addrs     int32
	Flags     int32
	Metric    int32
	Index     uint16

	Ipackets   uint64
	Ierrors    uint64
	Opackets   uint64
	Oerrors    uint64
	Collisions uint64
	Ibytes     uint64
	Obytes     uint64
	Imcasts    uint64
	Omcasts    uint64
	Iqdrops    uint64
	Noproto    uint64
	Lastchange Timespec
}

type IfaMsghdr struct {
	Msglen    uint16
	Version   uint8
	Type      uint8
	Addrs     int32
	Flags     int32
	Metric    int32
	Index     uint16

	Ipackets   uint32
	Ierrors    uint32
	Opackets   uint32
	Oerrors    uint32
	Collisions uint32
	Ibytes     uint32
	Obytes     uint32
	Imcasts    uint32
	Omcasts    uint32
	Iqdrops    uint32
	Noproto    uint32
	Recvtiming uint32
	Xmittiming uint32
	Lastchange Timeval32
	Unused2    uint32
	Hwassist   uint32
	Reserved1  uint32
	Reserved2  uint32
}

type IfaMsghdr struct {
	Msglen  uint16

	Ipackets   uint32
	Ierrors    uint32
	Opackets   uint32
	Oerrors    uint32
	Collisions uint32
	Ibytes     uint32
	Obytes     uint32
	Imcasts    uint32
	Omcasts    uint32
	Iqdrops    uint32
	Noproto    uint32
	Recvtiming uint32
	Xmittiming uint32
	Lastchange Timeval32
	Unused2    uint32
	Hwassist   uint32
	Reserved1  uint32
	Reserved2  uint32
}

type IfaMsghdr struct {
	Msglen  uint16

// This essentially just waits for the Sidecar to be applied, without sleeping.
func WaitUntilNotCallable(c echo.Instance, dest echo.Instance) error {
	accept := func(cfg *admin.ConfigDump) (bool, error) {
		validator := structpath.ForProto(cfg)
		for _, port := range dest.Config().Ports {
			clusterName := clusterName(dest, port)
			// Ensure that we have an outbound configuration for the target port.

// this must be one of:
// * golang/protobuf Message
// * gogo/protobuf Message
// * Able to marshal/unmarshal using json
type Spec any

func ToProto(s Spec) (*anypb.Any, error) {
	// golang protobuf. Use protoreflect.ProtoMessage to distinguish from gogo
	// golang/protobuf 1.4+ will have this interface. Older golang/protobuf are gogo compatible

		$2 == "PENDIN" ||
		$2 == "TOSTOP" ||
		$2 ~ /^PAR/ ||
		$2 ~ /^SIG[^_]/ ||
		$2 ~ /^O[CNPFP][A-Z]+[^_][A-Z]+$/ ||
		$2 ~ /^IN_/ ||
		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
		$2 == "ICMPV6_FILTER" ||
		$2 == "SOMAXCONN" ||
		$2 == "NAME_MAX" ||
		$2 == "IFNAMSIZ" ||
		$2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ ||

	SIO_KEEPALIVE_VALS                 = IOC_IN | IOC_VENDOR | 4
	SIO_UDP_CONNRESET                  = IOC_IN | IOC_VENDOR | 12

	// cf. https://learn.microsoft.com/en-US/troubleshoot/windows/win32/header-library-requirement-socket-ipproto-ip

	IP_TOS             = 0x3
	IP_TTL             = 0x4
	IP_MULTICAST_IF    = 0x9
	IP_MULTICAST_TTL   = 0xa
	IP_MULTICAST_LOOP  = 0xb
	IP_ADD_MEMBERSHIP  = 0xc
	IP_DROP_MEMBERSHIP = 0xd

  // going forward. So, remove parsing binary sharding.
  absl::StatusOr<xla::HloSharding> sharding_hlo = xla::ParseSharding(shard_str);
  if (sharding_hlo.ok()) {
    sharding = sharding_hlo->ToProto();
    return mlir::success();
  }
  if (report_error)
    llvm::errs() << std::string(sharding_hlo.status().message()) << "\n";
  return mlir::failure();
}