// position.

	var seen objset
	var allMethods []*Func
	mpos := make(map[*Func]syntax.Pos) // method specification or method embedding position, for good error messages
	addMethod := func(pos syntax.Pos, m *Func, explicit bool) {
		switch other := seen.insert(m); {
		case other == nil:
			allMethods = append(allMethods, m)
			mpos[m] = pos
		case explicit:
			if check != nil {

	// position.

	var seen objset
	var allMethods []*Func
	mpos := make(map[*Func]token.Pos) // method specification or method embedding position, for good error messages
	addMethod := func(pos token.Pos, m *Func, explicit bool) {
		switch other := seen.insert(m); {
		case other == nil:
			allMethods = append(allMethods, m)
			mpos[m] = pos
		case explicit:
			if check != nil {

func implements(t, iface *types.Type, m, samename **types.Field, ptr *int) bool {
	t0 := t
	if t == nil {
		return false
	}

	if t.IsInterface() {
		i := 0
		tms := t.AllMethods()
		for _, im := range iface.AllMethods() {
			for i < len(tms) && tms[i].Sym != im.Sym {
				i++
			}
			if i == len(tms) {
				*m = im
				*samename = nil
				*ptr = 0
				return false
			}
			tm := tms[i]

const (
	// AllDecls says to extract documentation for all package-level
	// declarations, not just exported ones.
	AllDecls Mode = 1 << iota

	// AllMethods says to show all embedded methods, not just the ones of
	// invisible (unexported) anonymous fields.
	AllMethods

	// PreserveAST says to leave the AST unmodified. Originally, pieces of
	// the AST such as function bodies were nil-ed out to save memory in

			Methods: sortedFuncs(t.methods, allMethods),
		}
		i++
	}

	slices.SortFunc(list, func(a, b *Type) int {
		return strings.Compare(a.Name, b.Name)
	})

	return list
}

func removeStar(s string) string {
	if len(s) > 0 && s[0] == '*' {
		return s[1:]
	}
	return s
}

func sortedFuncs(m methodSet, allMethods bool) []*Func {
	list := make([]*Func, len(m))
	i := 0

		tconv2(b, t.Elem(), 0, mode, visited)

	case TINTER:
		if t.IsEmptyInterface() {
			b.WriteString("interface {}")
			break
		}
		b.WriteString("interface {")
		for i, f := range t.AllMethods() {
			if i != 0 {
				b.WriteByte(';')
			}
			b.WriteByte(' ')
			switch {
			case f.Sym == nil:
				// Check first that a symbol is defined for this type.

		// by types2 already, so allow non-interface here.
		if !m.Type.IsInterface() {
			continue
		}

		// Embedded interface: duplicate all methods
		// and add to t's method set.
		for _, t1 := range m.Type.AllMethods() {
			f := NewField(m.Pos, t1.Sym, t1.Type)
			addMethod(f, false)

			// Clear position after typechecking, for consistency with types2.
			f.Pos = src.NoXPos
		}

     */
    private
    fun readObjectMethodHierarchyForDecoding(type: Class<*>): List<Method> =
        readObjectHierarchy.computeIfAbsent(type) {
            readObjectMethodHierarchyFrom(it.allMethods())
        }
}


internal
fun Method.isReadResolve() =
    !isStatic(modifiers)
        && parameterCount == 0
        && returnType == java.lang.Object::class.java

	// Compute the method set for recv.
	var ms []*types.Field
	if recv.IsInterface() {
		ms = recv.AllMethods()
	} else {
		mt := types.ReceiverBaseType(recv)
		if mt == nil {
			base.FatalfAt(pos, "type %v has no receiver base type", recv)
		}
		CalcMethods(mt)
		ms = mt.AllMethods()
	}

	m := Lookdot1(nil, sym, recv, ms, 0)
	if m == nil {