class DeclarativeBase: ...
def mapped_column(*a, **k): ...
def Mapped(*a, **k): ...
def relationship(*a, **k): ...
class Session:
    async def __aenter__(self): return self
    async def __aexit__(self, exc_type, exc, tb): ...
    async def get(self, *a, **k): ...
    async def execute(self, *a, **k): ...
    async def scalars(self, *a, **k): ...
    async def commit(self): ...
    async def refresh(self, *a, **k): ...
    async def delete(self, *a, **k): ...
    def add(self, *a, **k): ...
    def query(self, *a, **k): ...
def sessionmaker(*a, **k): ...
def selectinload(*a, **k): ...
def joinedload(*a, **k): ...