case *ast.IndexListExpr:
		f.walk(&n.X, ctxExpr, visit)
		f.walk(n.Indices, ctxExpr, visit)
	}
}

func funcTypeTypeParams(n *ast.FuncType) *ast.FieldList {
	return n.TypeParams
}

func typeSpecTypeParams(n *ast.TypeSpec) *ast.FieldList {
	return n.TypeParams

[`Scope.Children`](/pkg/go/types#Scope.Children),
[`Struct.Fields`](/pkg/go/types#Struct.Fields),
[`Tuple.Variables`](/pkg/go/types#Tuple.Variables),
[`TypeList.Types`](/pkg/go/types#TypeList.Types),
[`TypeParamList.TypeParams`](/pkg/go/types#TypeParamList.TypeParams),

pkg go/types, method (*Struct) Fields() iter.Seq[*Var] #66626
pkg go/types, method (*Tuple) Variables() iter.Seq[*Var] #66626
pkg go/types, method (*TypeList) Types() iter.Seq[Type] #66626
pkg go/types, method (*TypeParamList) TypeParams() iter.Seq[*TypeParam] #66626