}
	}

	// various other types
	pkg := NewPackage("p", "p")
	t1 := NewTypeName(nopos, pkg, "t1", nil)
	n1 := NewNamed(t1, new(Struct), nil)
	t5 := NewTypeName(nopos, pkg, "t5", nil)
	NewTypeParam(t5, nil)
	for _, test := range []struct {
		name  *TypeName
		alias bool
	}{
		{NewTypeName(nopos, nil, "t0", nil), false}, // no type yet
		{NewTypeName(nopos, pkg, "t0", nil), false}, // no type yet

		}
	}

	// various other types
	pkg := NewPackage("p", "p")
	t1 := NewTypeName(nopos, pkg, "t1", nil)
	n1 := NewNamed(t1, new(Struct), nil)
	t5 := NewTypeName(nopos, pkg, "t5", nil)
	NewTypeParam(t5, nil)
	for _, test := range []struct {
		name  *TypeName
		alias bool
	}{
		{NewTypeName(nopos, nil, "t0", nil), false}, // no type yet
		{NewTypeName(nopos, pkg, "t0", nil), false}, // no type yet

	var nullaryP, nullaryQ, unaryP Type
	{
		// type nullaryP = func[P any]()
		tparam := NewTypeParam(NewTypeName(nopos, nil, "P", nil), &emptyInterface)
		nullaryP = NewSignatureType(nil, nil, []*TypeParam{tparam}, nil, nil, false)
	}
	{
		// type nullaryQ = func[Q any]()
		tparam := NewTypeParam(NewTypeName(nopos, nil, "Q", nil), &emptyInterface)
		nullaryQ = NewSignatureType(nil, nil, []*TypeParam{tparam}, nil, nil, false)
	}

var basicAliases = [...]*Basic{
	{Byte, IsInteger | IsUnsigned, "byte"},
	{Rune, IsInteger, "rune"},
}

func defPredeclaredTypes() {
	for _, t := range Typ {
		def(NewTypeName(nopos, nil, t.name, t))
	}
	for _, t := range basicAliases {
		def(NewTypeName(nopos, nil, t.name, t))
	}

	// type any = interface{}
	//
	// Implement two representations of any: one for the legacy gotypesalias=0,

var basicAliases = [...]*Basic{
	{Byte, IsInteger | IsUnsigned, "byte"},
	{Rune, IsInteger, "rune"},
}

func defPredeclaredTypes() {
	for _, t := range Typ {
		def(NewTypeName(nopos, nil, t.name, t))
	}
	for _, t := range basicAliases {
		def(NewTypeName(nopos, nil, t.name, t))
	}

	// type any = interface{}
	//
	// Implement two representations of any: one for the legacy gotypesalias=0,

	var nullaryP, nullaryQ, unaryP Type
	{
		// type nullaryP = func[P any]()
		tparam := NewTypeParam(NewTypeName(nopos, nil, "P", nil), &emptyInterface)
		nullaryP = NewSignatureType(nil, nil, []*TypeParam{tparam}, nil, nil, false)
	}
	{
		// type nullaryQ = func[Q any]()
		tparam := NewTypeParam(NewTypeName(nopos, nil, "Q", nil), &emptyInterface)
		nullaryQ = NewSignatureType(nil, nil, []*TypeParam{tparam}, nil, nil, false)
	}

func NewAlias(enabled bool, pos token.Pos, pkg *types.Package, name string, rhs types.Type) *types.TypeName {
	if enabled {
		tname := types.NewTypeName(pos, pkg, name, nil)
		newAlias(tname, rhs)
		return tname
	}
	return types.NewTypeName(pos, pkg, name, rhs)

	// *types.Alias. Copied from x/tools/internal/aliases.NewAlias.
	switch godebug.New("gotypesalias").Value() {
	case "", "1":
		tname := types.NewTypeName(pos, pkg, name, nil)
		_ = types.NewAlias(tname, rhs) // form TypeName -> Alias cycle
		return tname
	}
	return types.NewTypeName(pos, pkg, name, rhs)

// argument for NewNamed, which will set the TypeName's type as a side-
// effect.
func NewTypeName(pos token.Pos, pkg *Package, name string, typ Type) *TypeName {
	return &TypeName{object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}}
}

// NewTypeNameLazy returns a new defined type like NewTypeName, but it
// lazily calls resolve to finish constructing the Named object.

	prevLine   int64
	prevColumn int64
}

func (r *importReader) obj(name string) {
	tag := r.byte()
	pos := r.pos()

	switch tag {
	case 'A':
		typ := r.typ()

		r.declare(types.NewTypeName(pos, r.currPkg, name, typ))

	case 'C':
		typ, val := r.value()

		r.declare(types.NewConst(pos, r.currPkg, name, typ, val))

	case 'F', 'G':
		var tparams []*types.TypeParam
		if tag == 'G' {