self --> cls for class methods

Author: tyralla

test-data/unit/check-deprecated.test

@@ -436,48 +436,48 @@ class A:
     @overload
     @classmethod
     @deprecated("pass `str` instead")
-    def f(self, v: int) -> None: ...
+    def f(cls, v: int) -> None: ...
     @overload
     @classmethod
-    def f(self, v: str) -> None: ...
+    def f(cls, v: str) -> None: ...
     @classmethod
-    def f(self, v: Union[int, str]) -> None: ...
+    def f(cls, v: Union[int, str]) -> None: ...
 
     @overload
     @classmethod
-    def g(self, v: int) -> None: ...
+    def g(cls, v: int) -> None: ...
     @overload
     @classmethod
     @deprecated("pass `int` instead")
-    def g(self, v: str) -> None: ...
+    def g(cls, v: str) -> None: ...
     @classmethod
-    def g(self, v: Union[int, str]) -> None: ...
+    def g(cls, v: Union[int, str]) -> None: ...
 
     @overload
     @classmethod
-    def h(self, v: int) -> A: ...
+    def h(cls, v: int) -> A: ...
     @overload
     @classmethod
-    def h(self, v: str) -> A: ...
+    def h(cls, v: str) -> A: ...
     @deprecated("use `h2`  instead")
     @classmethod
-    def h(self, v: Union[int, str]) -> A: ...
+    def h(cls, v: Union[int, str]) -> A: ...
 
 class B(A): ...
 
 a = A()
-a.f(1)  # E: overload def (self: type[__main__.A], v: builtins.int) of function __main__.A.f is deprecated: pass `str` instead
+a.f(1)  # E: overload def (cls: type[__main__.A], v: builtins.int) of function __main__.A.f is deprecated: pass `str` instead
 a.f("x")
 a.g(1)
-a.g("x")  # E: overload def (self: type[__main__.A], v: builtins.str) of function __main__.A.g is deprecated: pass `int` instead
+a.g("x")  # E: overload def (cls: type[__main__.A], v: builtins.str) of function __main__.A.g is deprecated: pass `int` instead
 a.h(1)  # E: function __main__.A.h is deprecated: use `h2`  instead
 a.h("x")  # E: function __main__.A.h is deprecated: use `h2`  instead
 
 b = B()
-b.f(1)  # E: overload def (self: type[__main__.A], v: builtins.int) of function __main__.A.f is deprecated: pass `str` instead
+b.f(1)  # E: overload def (cls: type[__main__.A], v: builtins.int) of function __main__.A.f is deprecated: pass `str` instead
 b.f("x")
 b.g(1)
-b.g("x")  # E: overload def (self: type[__main__.A], v: builtins.str) of function __main__.A.g is deprecated: pass `int` instead
+b.g("x")  # E: overload def (cls: type[__main__.A], v: builtins.str) of function __main__.A.g is deprecated: pass `int` instead
 b.h(1)  # E: function __main__.A.h is deprecated: use `h2`  instead
 b.h("x")  # E: function __main__.A.h is deprecated: use `h2`  instead