def update_ttl(
        self, store_name: str, key: str, new_ttl: int
    ) -> KeyDocument:
        """Updates the TTL of the specified key in the store.

        Args:
            store_name: the name of the store
            key: the key to update the TTL for
            new_ttl: the new TTL in seconds

        Returns:
            a :class:`fiftyone.store.models.KeyDocument`
        """
        return self._repo.update_ttl(store_name, key, new_ttl)
Updates the TTL of the specified key in the store.

        Args:
            store_name: the name of the store
            key: the key to update the TTL for
            new_ttl: the new TTL in seconds

        Returns:
            a :class:`fiftyone.store.models.KeyDocument`
        
fiftyone/operators/store/service.py