GeneratedTransferObject createTypeImpl(final TypeBuilderFactory builderFactory) {
final var builder = builderFactory.newGeneratedTOBuilder(typeName());
- builder.addImplementsType(BindingTypes.identifier(Type.of(listGen.typeName())));
+ builder.addImplementsType(BindingTypes.key(Type.of(listGen.typeName())));
final var leafNames = statement().argument();
for (var listChild : listGen) {