| ElementRecognizer | Simple interface for filtering SAX/StAX startElement events | 
| GAMEFeatureCallbackItf | An interface that can be tested for by nested handlers
 when trying to do a callback. | 
| GAMENameCallbackItf | An interface that can be tested for by nested handlers
 when trying to do a callback. | 
| GAMETranscriptCallbackItf | An interface that can be tested for by nested handlers
 when trying to do a callback. | 
| SequenceContentHandlerBase | StAX handler for elements containing sequence | 
| StAXFeatureHandler | StAX handler shamelessly ripped off from Thomas Down's
 XFFFeatureSetHandler. | 
| StAXHandlerFactory | Factory for StAX content handlers. | 
| StAXPropertyHandler | StAX handler shamelessly ripped off from Thomas Down's
 XFFFeatureSetHandler. |