}
            return null;
        }

        @Nullable
        @Override
        protected MetaMethod lookupMethod(MetaClass metaClass, String name, Class[] arguments) {
            MetaMethod metaMethod = super.lookupMethod(metaClass, name, arguments);
            if (metaMethod != null) {
                return metaMethod;
            }

// The methods are ordered by their unique ID.
func (s *_TypeSet) Method(i int) *Func { return s.methods[i] }

// LookupMethod returns the index of and method with matching package and name, or (-1, nil).
func (s *_TypeSet) LookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	return methodIndex(s.methods, pkg, name, foldCase)
}

func (s *_TypeSet) String() string {
	switch {

// The methods are ordered by their unique ID.
func (s *_TypeSet) Method(i int) *Func { return s.methods[i] }

// LookupMethod returns the index of and method with matching package and name, or (-1, nil).
func (s *_TypeSet) LookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	return methodIndex(s.methods, pkg, name, foldCase)
}

func (s *_TypeSet) String() string {
	switch {

					// this same type at the current depth, so we can ignore
					// this one.
					continue
				}
				seen.add(named)

				// look for a matching attached method
				if i, m := named.lookupMethod(pkg, name, foldCase); m != nil {
					// potential match
					// caution: method may not have a proper signature yet
					index = concat(e.index, i)
					if obj != nil || e.multiples {

					// this same type at the current depth, so we can ignore
					// this one.
					continue
				}
				seen.add(named)

				// look for a matching attached method
				if i, m := named.lookupMethod(pkg, name, foldCase); m != nil {
					// potential match
					// caution: method may not have a proper signature yet
					index = concat(e.index, i)
					if obj != nil || e.multiples {

		if n.obj.pkg != check.pkg {
			panic("imported type with unresolved underlying type")
		}
		n.underlying = u
	}

	return u
}

func (n *Named) lookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	n.resolve()
	if samePkg(n.obj.pkg, pkg) || isExported(name) || foldCase {
		// If n is an instance, we may not have yet instantiated all of its methods.

		if n.obj.pkg != check.pkg {
			panic("imported type with unresolved underlying type")
		}
		n.underlying = u
	}

	return u
}

func (n *Named) lookupMethod(pkg *Package, name string, foldCase bool) (int, *Func) {
	n.resolve()
	if samePkg(n.obj.pkg, pkg) || isExported(name) || foldCase {
		// If n is an instance, we may not have yet instantiated all of its methods.