# Package org.apache.mina.filter.query

- Interface Summary
  Interface | Description
  --- | ---
  Request | A request message, which should be responded by a `Response`.
  Response | A message which can be possibly a response to a request.

- Class Summary
  Class | Description
  --- | ---
  RequestFilter<REQUEST extends Request,RESPONSE extends Response> | A filter providing `IoFuture` for request/response protocol.

- Exception Summary
  Exception | Description
  --- | ---
  RequestTimeoutException | An exception occurring when the request took too much time.

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