# Package org.apache.lucene.queryparser.ext

Extendable QueryParser provides a simple and flexible extension mechanism by overloading query field names.

See: Description

- Class Summary
  Class | Description
  --- | ---
  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`.

## Package org.apache.lucene.queryparser.ext Description

Extendable QueryParser provides a simple and flexible extension mechanism by overloading query field names.

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