improved version

django/test/utils.pyi

@@ -10,6 +10,7 @@ from django.db.backends.sqlite3.base import DatabaseWrapper
 from django.template.base import Template
 from django.template.context import Context
 from django.test.runner import DiscoverRunner
+from django.test.testcases import SimpleTestCase
 from django.utils.safestring import SafeText
 from typing import (
     Any,
@@ -128,7 +129,10 @@ class TestContextDecorator:
     def __exit__(self, exc_type: None, exc_value: None, traceback: None) -> None: ...
     def __init__(self, attr_name: Optional[str] = ..., kwarg_name: Optional[str] = ...) -> None: ...
     def decorate_callable(self, func: Callable) -> Callable: ...
-    def decorate_class(self, cls: Any) -> Any: ...
+    def decorate_class(
+        self,
+        cls: Type[SimpleTestCase]
+    ) -> Type[SimpleTestCase]: ...
 
 
 class ignore_warnings:
@@ -146,7 +150,7 @@ class isolate_apps:
 class modify_settings:
     def __init__(self, *args, **kwargs) -> None: ...
     def enable(self) -> None: ...
-    def save_options(self, test_func: Any) -> None: ...
+    def save_options(self, test_func: Type[SimpleTestCase]) -> None: ...
 
 
 class override_script_prefix:
@@ -157,10 +161,16 @@ class override_script_prefix:
 
 class override_settings:
     def __init__(self, **kwargs) -> None: ...
-    def decorate_class(self, cls: Any) -> Any: ...
+    def decorate_class(
+        self,
+        cls: Type[Union[SimpleTestCase, LoggingCaptureMixin]]
+    ) -> Type[Union[SimpleTestCase, LoggingCaptureMixin]]: ...
     def disable(self) -> None: ...
     def enable(self) -> None: ...
-    def save_options(self, test_func: Any) -> None: ...
+    def save_options(
+        self,
+        test_func: Type[Union[SimpleTestCase, LoggingCaptureMixin]]
+    ) -> None: ...
 
 
 class override_system_checks: