| Attributes2 | SAX2 extension to augment the per-attribute information
 provided though Attributes. | 
| DeclHandler | SAX2 extension handler for DTD declaration events. | 
| EntityResolver2 | Extended interface for mapping external entity references to input sources, or providing a missing external subset. | 
| LexicalHandler | SAX2 extension handler for lexical events. | 
| Locator2 | SAX2 extension to augment the entity information provided
 though a Locator. | 
| Attributes2Impl | SAX2 extension helper for additional Attributes information,
 implementing the Attributes2interface. | 
| DefaultHandler2 | This class extends the SAX2 base handler class to support the
 SAX2 LexicalHandler,DeclHandler, andEntityResolver2extensions. | 
| Locator2Impl | SAX2 extension helper for holding additional Entity information,
 implementing the Locator2interface. |