from typing import Any

 from typing import NamedTuple

 from typing import Optional

 import json

 import time

                                CACHE_SQL_STATEMENT)

         self._entity_caps_cache: dict[tuple[str, str], DiscoInfo] = {}

         self._muc_cache: dict[JID, dict[str, Any]] = defaultdict(dict)

         self._contact_cache: dict[JID, dict[str, Any]] = defaultdict(dict)

     @timeit

     def _fill_disco_info_cache(self) -> None:

         sql = '''SELECT disco_info as "disco_info [disco_info]",

                  last_seen_disco_info'''

         rows = self._con.execute(sql).fetchall()

         for row in rows:

         log.info('%d DiscoInfo entries loaded', len(rows))

     def get_last_disco_info(self,

                             max_age: int = 0) -> Optional[DiscoInfo]:

         """

         Get last disco info from jid

     @timeit

     def set_last_disco_info(self,

                             disco_info: DiscoInfo,

                             cache_only: bool = False) -> None:

         """