def sql_flush(self, style, tables, sequences):
        raise NotImplementedError()
Layer visibility. Doesn't take group visibility in account.
dataset/ETHPy150Open dcramer/django-compositepks/django/db/backends/__init__.py/BaseDatabaseOperations.sql_flush--crossover with--dataset/ETHPy150Open psd-tools/psd-tools/src/psd_tools/user_api/psd_image.py/_RawLayer.visible