throw new Error("globalThis.TextEncoder is not available, polyfill required");
	}

	if (!globalThis.TextDecoder) {
		throw new Error("globalThis.TextDecoder is not available, polyfill required");
	}

	const encoder = new TextEncoder("utf-8");
	const decoder = new TextDecoder("utf-8");

	globalThis.Go = class {
		constructor() {
			this.argv = ["js"];
			this.env = {};
			this.exit = (code) => {
				if (code !== 0) {

	VGATHERQPD (DX)(Z23*1),K1,Z15 // 6272fd41933c3a
	// EVEX: VCVTPD2DQ with Y suffix (VL=2).
	VCVTPD2DQY (BX), X20  // 62e1ff28e623
	VCVTPD2DQY (R11), X30 // 6241ff28e633
	// XED encoder uses EVEX.X=0 for these; most x86 tools use EVEX.X=1.
	// Either way is OK.
	VMOVQ SP, X20  // 62e1fd086ee4 or 62a1fd086ee4
	VMOVQ BP, X20  // 62e1fd086ee5 or 62a1fd086ee5
	VMOVQ R14, X20 // 62c1fd086ee6 or 6281fd086ee6

pkg hash/fnv, func New128() hash.Hash
pkg hash/fnv, func New128a() hash.Hash
pkg html/template, const ErrPredefinedEscaper = 11
pkg html/template, const ErrPredefinedEscaper ErrorCode
pkg image/png, type Encoder struct, BufferPool EncoderBufferPool
pkg image/png, type EncoderBuffer struct
pkg image/png, type EncoderBufferPool interface { Get, Put }
pkg image/png, type EncoderBufferPool interface, Get() *EncoderBuffer

pkg encoding/gob, func NewEncoder(io.Writer) *Encoder
pkg encoding/gob, func Register(interface{})
pkg encoding/gob, func RegisterName(string, interface{})
pkg encoding/gob, method (*Decoder) Decode(interface{}) error
pkg encoding/gob, method (*Decoder) DecodeValue(reflect.Value) error
pkg encoding/gob, method (*Encoder) Encode(interface{}) error
pkg encoding/gob, method (*Encoder) EncodeValue(reflect.Value) error

pkg debug/pe, const IMAGE_FILE_MACHINE_RISCV32 ideal-int #54251
pkg debug/pe, const IMAGE_FILE_MACHINE_RISCV64 = 20580 #54251
pkg debug/pe, const IMAGE_FILE_MACHINE_RISCV64 ideal-int #54251
pkg encoding/xml, method (*Encoder) Close() error #53346
pkg errors, func Join(...error) error #53435
pkg fmt, func FormatString(State, int32) string #51668
pkg go/ast, type File struct, FileEnd token.Pos #53202

pkg encoding/json, type Number string
pkg encoding/xml, const Header = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
pkg encoding/xml, func EscapeText(io.Writer, []uint8) error
pkg encoding/xml, method (*Encoder) Indent(string, string)
pkg encoding/xml, type Decoder struct, DefaultSpace string
pkg flag, const ContinueOnError = 0
pkg flag, const ExitOnError = 1
pkg flag, const PanicOnError = 2
pkg go/ast, const Bad = 0

pkg image/png, const NoCompression = -1
pkg image/png, const NoCompression CompressionLevel
pkg image/png, method (*Encoder) Encode(io.Writer, image.Image) error
pkg image/png, type CompressionLevel int
pkg image/png, type Encoder struct
pkg image/png, type Encoder struct, CompressionLevel CompressionLevel

# CL 101750048 math: implement Nextafter32, Robert Griesemer <******@****.***>

pkg debug/elf, const R_390_TLS_TPOFF R_390
pkg debug/elf, method (R_390) GoString() string
pkg debug/elf, method (R_390) String() string
pkg debug/elf, type R_390 int
pkg encoding/json, method (*Encoder) SetEscapeHTML(bool)
pkg encoding/json, method (*Encoder) SetIndent(string, string)
pkg go/build, type Package struct, BinaryOnly bool
pkg go/build, type Package struct, CgoFFLAGS []string
pkg go/build, type Package struct, FFiles []string

pkg encoding/xml, method (*Encoder) EncodeElement(interface{}, StartElement) error
pkg encoding/xml, method (*Encoder) EncodeToken(Token) error
pkg encoding/xml, method (*Encoder) Flush() error
pkg encoding/xml, method (StartElement) End() EndElement
pkg encoding/xml, type Marshaler interface { MarshalXML }
pkg encoding/xml, type Marshaler interface, MarshalXML(*Encoder, StartElement) error