diff --git a/django-stubs/core/management/base.pyi b/django-stubs/core/management/base.pyi
index 5ec61d9..3e43642 100644
--- a/django-stubs/core/management/base.pyi
+++ b/django-stubs/core/management/base.pyi
@@ -39,7 +39,7 @@ class BaseCommand:
     help: str = ...
     output_transaction: bool = ...
     requires_migrations_checks: bool = ...
-    requires_system_checks: Union[bool, List[Tags], Tuple[Tags, ...], str]  = ...
+    requires_system_checks: Union[bool, List[Tags], Tuple[Tags, ...], str] = ...
     base_stealth_options: Tuple[str, ...] = ...
     stealth_options: Tuple[str, ...] = ...
     stdout: OutputWrapper = ...
diff --git a/django-stubs/db/models/query.pyi b/django-stubs/db/models/query.pyi
index 9a15325..6d476c2 100644
--- a/django-stubs/db/models/query.pyi
+++ b/django-stubs/db/models/query.pyi
@@ -96,7 +96,9 @@ class _BaseQuerySet(Generic[_T], Sized):
     def union(self: _QS, *other_qs: Any, all: bool = ...) -> _QS: ...
     def intersection(self: _QS, *other_qs: Any) -> _QS: ...
     def difference(self: _QS, *other_qs: Any) -> _QS: ...
-    def select_for_update(self: _QS, nowait: bool = ..., skip_locked: bool = ..., of: Sequence[str] = ..., no_key: bool = ...) -> _QS: ...
+    def select_for_update(
+        self: _QS, nowait: bool = ..., skip_locked: bool = ..., of: Sequence[str] = ..., no_key: bool = ...
+    ) -> _QS: ...
     def select_related(self: _QS, *fields: Any) -> _QS: ...
     def prefetch_related(self: _QS, *lookups: Any) -> _QS: ...
     # TODO: return type
diff --git a/django-stubs/utils/decorators.pyi b/django-stubs/utils/decorators.pyi
index 704213d..e58530a 100644
--- a/django-stubs/utils/decorators.pyi
+++ b/django-stubs/utils/decorators.pyi
@@ -6,11 +6,14 @@ from django.views.generic.base import View
 from django.utils.functional import classproperty as classproperty
 
 _T = TypeVar("_T", bound=Union[View, Callable])  # Any callable
+_CallableType = TypeVar("_CallableType", bound=Callable)
 
 class classonlymethod(classmethod): ...
 
 def method_decorator(decorator: Union[Callable, Iterable[Callable]], name: str = ...) -> Callable[[_T], _T]: ...
 def decorator_from_middleware_with_args(middleware_class: type) -> Callable: ...
 def decorator_from_middleware(middleware_class: type) -> Callable: ...
-def available_attrs(fn: Callable): ...
 def make_middleware_decorator(middleware_class: Type[MiddlewareMixin]) -> Callable: ...
+def sync_and_async_middleware(func: _CallableType) -> _CallableType: ...
+def sync_only_middleware(func: _CallableType) -> _CallableType: ...
+def async_only_middleware(func: _CallableType) -> _CallableType: ...