def set_cache_key(
        self, store_name: str, key: str, value: Any, ttl: Optional[int] = None
    ) -> KeyDocument:
        """Sets the value of a cache key in the specified store.

        Args:
            store_name: the name of the store
            key: the key to set
            value: the value to set
            ttl (None): an optional TTL in seconds
        """
        return self._repo.set_key(
            store_name, key, value, ttl=ttl, policy="evict"
        )
Sets the value of a cache key in the specified store.

        Args:
            store_name: the name of the store
            key: the key to set
            value: the value to set
            ttl (None): an optional TTL in seconds
        
fiftyone/operators/store/service.py