setuptools._distutils._msvccompiler.MSVCCompiler non-None ClassVars (#12995)

Author: Avasam

stubs/setuptools/setuptools/_distutils/_msvccompiler.pyi

@@ -8,7 +8,14 @@ PLAT_SPEC_TO_RUNTIME: Final[dict[str, str]]
 class MSVCCompiler(CCompiler):
     compiler_type: ClassVar[str]
     executables: ClassVar[dict[Incomplete, Incomplete]]
+    src_extensions: ClassVar[list[str]]
     res_extension: ClassVar[str]
+    obj_extension: ClassVar[str]
+    static_lib_extension: ClassVar[str]
+    shared_lib_extension: ClassVar[str]
+    shared_lib_format: ClassVar[str]
+    static_lib_format = shared_lib_format
+    exe_extension: ClassVar[str]
     initialized: bool
     def initialize(self, plat_name: str | None = None) -> None: ...
     @property