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

Interface Summary
QueryTreeVisitor<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.
QueryTreeWalker<T>: A walker of the ANTLR `Tree`.