def METHOD_NAME():
    return {
        'routers': dict(
            (id_, {
                'id': id_,
                'streams': len(set(router._stream_by_id.values())),
                'contexts': len(set(router._context_by_id.values())),
                'handles': len(router._handle_map),
            })
            for id_, router in get_routers().items()
        )
    }