Add missing builtin dunders (3.14) (#14120)

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -20,12 +20,7 @@ asyncio.events._get_event_loop_policy
 asyncio.events._set_event_loop_policy
 asyncio.tasks.eager_task_factory
 builtins.bytearray.resize
-builtins.classmethod.__annotate__
-builtins.classmethod.__class_getitem__
 builtins.int.__round__
-builtins.memoryview.__class_getitem__
-builtins.staticmethod.__annotate__
-builtins.staticmethod.__class_getitem__
 compression.gzip.GzipFile.readinto
 compression.gzip.GzipFile.readinto
 compression.gzip.GzipFile.readinto1

stdlib/builtins.pyi

@@ -154,6 +154,9 @@ class staticmethod(Generic[_P, _R_co]):
         @property
         def __wrapped__(self) -> Callable[_P, _R_co]: ...
         def __call__(self, *args: _P.args, **kwargs: _P.kwargs) -> _R_co: ...
+    if sys.version_info >= (3, 14):
+        def __class_getitem__(cls, item: Any, /) -> GenericAlias: ...
+        __annotate__: AnnotateFunc | None
 
 class classmethod(Generic[_T, _P, _R_co]):
     @property
@@ -170,6 +173,9 @@ class classmethod(Generic[_T, _P, _R_co]):
         __qualname__: str
         @property
         def __wrapped__(self) -> Callable[Concatenate[type[_T], _P], _R_co]: ...
+    if sys.version_info >= (3, 14):
+        def __class_getitem__(cls, item: Any, /) -> GenericAlias: ...
+        __annotate__: AnnotateFunc | None
 
 class type:
     # object.__base__ is None. Otherwise, it would be a type.
@@ -915,6 +921,8 @@ class memoryview(Sequence[_I]):
     # See https://github.com/python/cpython/issues/125420
     index: ClassVar[None]  # type: ignore[assignment]
     count: ClassVar[None]  # type: ignore[assignment]
+    if sys.version_info >= (3, 14):
+        def __class_getitem__(cls, item: Any, /) -> GenericAlias: ...
 
 @final
 class bool(int):