Add TODOs for alias normalization when adding types and properties.

tools/exp/gen/funcprop.go

@@ -458,6 +458,7 @@ func (p *FunctionalPropertyGenerator) singleTypeDef() *codegen.Struct {
 	}
 	kindMembers = append(kindMembers, p.unknownMemberDef())
 	kindMembers = append(kindMembers, p.iriMemberDef())
+	// TODO: Normalize alias of values when setting on this property.
 	kindMembers = append(kindMembers, jen.Id(aliasMember).String())
 	if p.hasNaturalLanguageMap {
 		kindMembers = append(kindMembers, jen.Id(langMapMember).Map(jen.String()).String())

tools/exp/gen/type.go

@@ -384,6 +384,7 @@ func (t *TypeGenerator) members() (members []jen.Code) {
 	for _, property := range p {
 		members = append(members, jen.Id(t.memberName(property)).Qual(property.GetPublicPackage().Path(), property.InterfaceName()))
 	}
+	// TODO: Normalize alias of properties when setting properties.
 	members = append(members, jen.Id(aliasMember).String())
 	members = append(members, jen.Id(unknownMember).Map(jen.String()).Interface())
 	return