codec.unregisterExtendedRequest( CancelRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( CertGenerationRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( GracefulShutdownRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( StoredProcedureRequest.EXTENSION_OID );
codec.unregisterUnsolicitedResponse( GracefulDisconnectResponse.EXTENSION_OID );
}
}