Add fixers to lib2to3 (#10003)

stdlib/lib2to3/main.pyi

@@ -0,0 +1,43 @@
+from _typeshed import FileDescriptorOrPath
+from collections.abc import Container, Iterable, Iterator, Mapping, Sequence
+from logging import _ExcInfoType
+from typing import AnyStr
+from typing_extensions import Literal
+
+from . import refactor as refactor
+
+def diff_texts(a: str, b: str, filename: str) -> Iterator[str]: ...
+
+class StdoutRefactoringTool(refactor.MultiprocessRefactoringTool):
+    nobackups: bool
+    show_diffs: bool
+    def __init__(
+        self,
+        fixers: Iterable[str],
+        options: Mapping[str, object] | None,
+        explicit: Container[str] | None,
+        nobackups: bool,
+        show_diffs: bool,
+        input_base_dir: str = "",
+        output_dir: str = "",
+        append_suffix: str = "",
+    ) -> None: ...
+    # Same as super.log_error and Logger.error
+    def log_error(  # type: ignore[override]
+        self,
+        msg: str,
+        *args: Iterable[str],
+        exc_info: _ExcInfoType = None,
+        stack_info: bool = False,
+        stacklevel: int = 1,
+        extra: Mapping[str, object] | None = None,
+    ) -> None: ...
+    # Same as super.write_file but without default values
+    def write_file(  # type: ignore[override]
+        self, new_text: str, filename: FileDescriptorOrPath, old_text: str, encoding: str | None
+    ) -> None: ...
+    # filename has to be str
+    def print_output(self, old: str, new: str, filename: str, equal: bool) -> None: ...  # type: ignore[override]
+
+def warn(msg: object) -> None: ...
+def main(fixer_pkg: str, args: Sequence[AnyStr] | None = None) -> Literal[0, 1, 2]: ...