Add stubs for new async model methods from 4.2 (#1443)

Author: bigfootjon

django-stubs/db/models/base.pyi

@@ -41,6 +41,7 @@ class Model(metaclass=ModelBase):
     @classmethod
     def from_db(cls: type[Self], db: str | None, field_names: Collection[str], values: Collection[Any]) -> Self: ...
     def delete(self, using: Any = ..., keep_parents: bool = ...) -> tuple[int, dict[str, int]]: ...
+    async def adelete(self, using: Any = ..., keep_parents: bool = ...) -> tuple[int, dict[str, int]]: ...
     def full_clean(
         self, exclude: Iterable[str] | None = ..., validate_unique: bool = ..., validate_constraints: bool = ...
     ) -> None: ...
@@ -58,6 +59,13 @@ class Model(metaclass=ModelBase):
         using: str | None = ...,
         update_fields: Iterable[str] | None = ...,
     ) -> None: ...
+    async def asave(
+        self,
+        force_insert: bool = ...,
+        force_update: bool = ...,
+        using: str | None = ...,
+        update_fields: Iterable[str] | None = ...,
+    ) -> None: ...
     def save_base(
         self,
         raw: bool = ...,
@@ -67,6 +75,7 @@ class Model(metaclass=ModelBase):
         update_fields: Iterable[str] | None = ...,
     ) -> None: ...
     def refresh_from_db(self: Self, using: str | None = ..., fields: Sequence[str] | None = ...) -> None: ...
+    async def arefresh_from_db(self: Self, using: str | None = ..., fields: Sequence[str] | None = ...) -> None: ...
     def serializable_value(self, field_name: str) -> Any: ...
     def prepare_database_save(self, field: Field) -> Any: ...
     def get_deferred_fields(self) -> set[str]: ...

django-stubs/db/models/manager.pyi

@@ -149,9 +149,13 @@ class Manager(BaseManager[_T]): ...
 class RelatedManager(Manager[_T]):
     related_val: tuple[int, ...]
     def add(self, *objs: _T | int, bulk: bool = ...) -> None: ...
+    async def aadd(self, *objs: _T | int, bulk: bool = ...) -> None: ...
     def remove(self, *objs: _T | int, bulk: bool = ...) -> None: ...
+    async def aremove(self, *objs: _T | int, bulk: bool = ...) -> None: ...
     def set(self, objs: QuerySet[_T] | Iterable[_T | int], *, bulk: bool = ..., clear: bool = ...) -> None: ...
+    async def aset(self, objs: QuerySet[_T] | Iterable[_T | int], *, bulk: bool = ..., clear: bool = ...) -> None: ...
     def clear(self) -> None: ...
+    async def aclear(self) -> None: ...
     def __call__(self, *, manager: str) -> RelatedManager[_T]: ...
 
 class ManagerDescriptor: