core
| ExtendableQueryParser | The ExtendableQueryParser enables arbitrary query parser extension
based on a customizable field naming scheme. |
| ExtensionQuery | ExtensionQuery holds all query components extracted from the original
query string like the query field and the extension query string. |
| Extensions | The Extensions class represents an extension mapping to associate
ParserExtension instances with extension keys. |
| Extensions.Pair<Cur, Cud> | This class represents a generic pair. |
| ParserExtension | This class represents an extension base class to the Lucene standard
QueryParser. |