most asyncio lock methods always return True (#7122)

stdlib/asyncio/locks.pyi

@@ -2,6 +2,7 @@ import sys
 from collections import deque
 from types import TracebackType
 from typing import Any, Callable, Generator, TypeVar
+from typing_extensions import Literal
 
 from .events import AbstractEventLoop
 from .futures import Future
@@ -37,7 +38,7 @@ else:
 class Lock(_ContextManagerMixin):
     def __init__(self, *, loop: AbstractEventLoop | None = ...) -> None: ...
     def locked(self) -> bool: ...
-    async def acquire(self) -> bool: ...
+    async def acquire(self) -> Literal[True]: ...
     def release(self) -> None: ...
 
 class Event:
@@ -45,14 +46,14 @@ class Event:
     def is_set(self) -> bool: ...
     def set(self) -> None: ...
     def clear(self) -> None: ...
-    async def wait(self) -> bool: ...
+    async def wait(self) -> Literal[True]: ...
 
 class Condition(_ContextManagerMixin):
     def __init__(self, lock: Lock | None = ..., *, loop: AbstractEventLoop | None = ...) -> None: ...
     def locked(self) -> bool: ...
-    async def acquire(self) -> bool: ...
+    async def acquire(self) -> Literal[True]: ...
     def release(self) -> None: ...
-    async def wait(self) -> bool: ...
+    async def wait(self) -> Literal[True]: ...
     async def wait_for(self, predicate: Callable[[], _T]) -> _T: ...
     def notify(self, n: int = ...) -> None: ...
     def notify_all(self) -> None: ...
@@ -62,7 +63,7 @@ class Semaphore(_ContextManagerMixin):
     _waiters: deque[Future[Any]]
     def __init__(self, value: int = ..., *, loop: AbstractEventLoop | None = ...) -> None: ...
     def locked(self) -> bool: ...
-    async def acquire(self) -> bool: ...
+    async def acquire(self) -> Literal[True]: ...
     def release(self) -> None: ...
     def _wake_up_next(self) -> None: ...