def clear() -> None:
        """
        Clear all archivable caches in memory.
        """

        LOGGER.debug('clear >>>')

        with SCHEMA_CACHE.lock:
            SCHEMA_CACHE.clear()
        with CRED_DEF_CACHE.lock:
            CRED_DEF_CACHE.clear()
        with REVO_CACHE.lock:
            REVO_CACHE.clear()

        LOGGER.debug('clear <<<')
Clear all archivable caches in memory.