JMS\Serializer\Tests\Fixtures\SimpleClassObject: xml_namespaces: foo: http://foo.example.org old_foo: http://old.foo.example.org new_foo: http://new.foo.example.org properties: foo: type: string xml_attribute: true xml_element: namespace: http://old.foo.example.org bar: type: string xml_element: namespace: http://foo.example.org moo: type: string xml_element: namespace: http://new.foo.example.org