--- /dev/null
+import sys
+from typing import Any, Iterable, Sequence, Text, Type, TypeVar
+
+_T = TypeVar("_T")
+
+PY2: bool
+
+string_types: Type[Any] | Sequence[Type[Any]]
+text_type: Type[Any] | Sequence[Type[Any]]
+bytes_types: Type[Any] | Sequence[Type[Any]]
+integer_types: Type[Any] | Sequence[Type[Any]]
+long = int
+
+def input(prompt: Any) -> str: ...
+def decodebytes(s: bytes) -> bytes: ...
+def encodebytes(s: bytes) -> bytes: ...
+
+if sys.version_info >= (3, 0):
+ import builtins as builtins
+ import io
+
+ StringIO = io.StringIO
+ BytesIO = io.BytesIO
+else:
+ import __builtin__ as builtins
+ import cStringIO
+
+ StringIO = cStringIO.StringIO
+ BytesIO = StringIO
+
+bytes = builtins.bytes
+
+def byte_ord(c: int | str) -> int: ...
+def byte_chr(c: int) -> bytes: ...
+def byte_mask(c: int, mask: int) -> bytes: ...
+def b(s: bytes | str, encoding: str = ...) -> bytes: ...
+def u(s: bytes | str, encoding: str = ...) -> Text: ...
+def b2s(s: bytes | str) -> str: ...
+def is_callable(c: Any) -> bool: ...
+def next(c: Iterable[_T]) -> _T: ...
+
+MAXSIZE: int