def METHOD_NAME(
    self, store_name: str, source_store: Store, target_store: Store
) -> None:
    logger.info(
        f"Migrating key-value pairs from {store_name} ({source_store.__class__})."
    )
    for key in source_store.list_keys():
        source_obj = source_store.get(key)
        target_store.add(key=key, value=source_obj)
        logger.info(f"Successfully migrated stored object saved with key {key}.")