from typing import Dict, Optional, Type from django.contrib.sessions.backends.base import SessionBase from django.contrib.sessions.base_session import AbstractBaseSession from django.contrib.sessions.models import Session from django.db.models.base import Model class SessionStore(SessionBase): def __init__(self, session_key: Optional[str] = ...) -> None: ... @classmethod def get_model_class(cls) -> Type[Session]: ... def model(self) -> Type[AbstractBaseSession]: ... def create_model_instance(self, data: Dict[str, Model]) -> AbstractBaseSession: ...