le.com/xmpp/color"> <favorite>blue</blue> <leastFavorite>puce</leastFavorite> </color> {@link PrivateDataProvider} instances are responsible for translating the XML into objects.If no PrivateDataProvider is registered for a given element name and namespace, then a {@link DefaultPrivateData} instance will be returned.
Warning: this is an non-standard protocol documented by JEP-49. Because this is a non-standard protocol, it is subject to change.
@author Matt Tucker