*/
internal object DnsRecordCodec {
  private const val SERVFAIL = 2
  private const val NXDOMAIN = 3
  const val TYPE_A = 0x0001
  const val TYPE_AAAA = 0x001c
  private const val TYPE_PTR = 0x000c
  private val ASCII = Charsets.US_ASCII

  fun encodeQuery(
    host: String,
    type: Int,
  ): ByteString =
    Buffer().apply {
      writeShort(0) // query id

		return nil
	}

	return copyValue(val, []byte(attr.Value))
}

var (
	attrType            = reflect.TypeFor[Attr]()
	unmarshalerType     = reflect.TypeFor[Unmarshaler]()
	unmarshalerAttrType = reflect.TypeFor[UnmarshalerAttr]()
	textUnmarshalerType = reflect.TypeFor[encoding.TextUnmarshaler]()
)

const (
	maxUnmarshalDepth     = 10000
	maxUnmarshalDepthWasm = 5000 // go.dev/issue/56498
)

	// Type '1' to '6' are header-only flags and may not have a data body.
	TypeLink    = '1' // Hard link
	TypeSymlink = '2' // Symbolic link
	TypeChar    = '3' // Character device node
	TypeBlock   = '4' // Block device node
	TypeDir     = '5' // Directory
	TypeFifo    = '6' // FIFO node

	// Type '7' is reserved.
	TypeCont = '7'

	// Type 'x' is used by the PAX format to store key-value records that
	// are only relevant to the next file.

                // this.super(p0 .. pn)
                _ALOAD(0);
                for (int typeVar = addNameParameter ? 1 : 0, stackVar = addNameParameter ? 2 : 1; typeVar < paramTypes.size(); ++typeVar) {
                    Type argType = paramTypes.get(typeVar);
                    _ILOAD_OF(argType, stackVar);
                    stackVar += argType.getSize();
                }

by any [`//go:build` constraints](https://pkg.go.dev/cmd/go#hdr-Build_constraints)
in the file.)

For example, it will report a diagnostic for a reference to the
`reflect.TypeFor` function (introduced in go1.22) from a file in a
module whose go.mod file specifies `go 1.21`.

### Cgo {#cgo}

<!-- go.dev/issue/66456 -->
[cmd/cgo] supports the new `-ldflags` flag for passing flags to the C linker.

          const string& typestr = a.type();
          if (typestr == "list(string)") {
            metadata.type = TF_ATTR_STRING;
          } else if (typestr == "list(int)") {
            metadata.type = TF_ATTR_INT;
          } else if (typestr == "list(float)") {
            metadata.type = TF_ATTR_FLOAT;
          } else if (typestr == "list(bool)") {
            metadata.type = TF_ATTR_BOOL;

		return err
	}
	tw.hdr = *hdr // Shallow copy of Header

	// Avoid usage of the legacy TypeRegA flag, and automatically promote
	// it to use TypeReg or TypeDir.
	if tw.hdr.Typeflag == TypeRegA {
		if strings.HasSuffix(tw.hdr.Name, "/") {
			tw.hdr.Typeflag = TypeDir
		} else {
			tw.hdr.Typeflag = TypeReg
		}
	}

	// Round ModTime and ignore AccessTime and ChangeTime unless
	// the format is explicitly chosen.

	v, e any
}{
	{&BadPathTestA{}, &TagPathError{reflect.TypeFor[BadPathTestA](), "First", "items>item1", "Second", "items"}},
	{&BadPathTestB{}, &TagPathError{reflect.TypeFor[BadPathTestB](), "First", "items>item1", "Second", "items>item1>value"}},
	{&BadPathTestC{}, &TagPathError{reflect.TypeFor[BadPathTestC](), "First", "", "Second", "First"}},
	{&BadPathTestD{}, &TagPathError{reflect.TypeFor[BadPathTestD](), "First", "", "Second", "First"}},
}

		case header == nil:
			continue
		}

		name := header.Name
		switch path.Clean(name) {
		case ".", slashSeparator:
			continue
		}

		switch header.Typeflag {
		case tar.TypeDir: // = directory
			if o.ignoreDirs {
				continue
			}
			name = trimLeadingSlash(pathJoin(name, slashSeparator))
		case tar.TypeReg, tar.TypeChar, tar.TypeBlock, tar.TypeFifo, tar.TypeGNUSparse: // = regular

	// No records or OPT is the only record, return a short ttl as a fail safe.
	if len(m.Answer)+len(m.Ns) == 0 &&
		(len(m.Extra) == 0 || (len(m.Extra) == 1 && m.Extra[0].Header().Rrtype == dns.TypeOPT)) {
		return MinGatewayTTL
	}

	minTTL := MaxGatewayTTL
	for _, r := range m.Answer {
		if r.Header().Ttl < uint32(minTTL.Seconds()) {
			minTTL = time.Duration(r.Header().Ttl) * time.Second
		}
	}