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## Package com.google.appengine.api.search.query

Interface Summary
QueryTreeVisitor<T extends QueryTreeContext<T>> | Defines an interface of the visitor invoked by the walker.

Class Summary
ParserUtils | A helper class that holds various, state-less utility functions used by the query parser.
QueryParserFactory | A factory which produces `QueryParsers` for a given token rewrite stream.
QueryTreeBuilder | A generator of AST representation of a query.
QueryTreeContext<T extends QueryTreeContext<T>> | The base class for specific query tree context used by the walker.
QueryTreeWalker<T extends QueryTreeContext<T>> | The walking of the query tree.

Enum Summary
QueryTreeContext.Kind | Enumeration of the kind of the term that has a given return type.
QueryTreeContext.RewriteMode | Enumeration of text terms rewrite mode.
QueryTreeContext.Type | Enumeration of supported return types.

Exception Summary
QueryTreeException | A parsing exception thrown when the tree resulting from parsing a query is in some sense invalid.

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