Annotate pycurl's getinfo() and getinfo_raw()

getinfo and getinfo_raw docs: http://pycurl.io/docs/latest/curlobject.html#pycurl.Curl.getinfo

Author: cuu508

stubs/pycurl/pycurl.pyi

@@ -1,5 +1,6 @@
 import sys
 from _typeshed import Incomplete
+from collections.abc import Sequence
 from typing import Final, final
 from typing_extensions import Self
 
@@ -22,8 +23,8 @@ class Curl:
     def perform(self) -> None: ...
     def perform_rb(self) -> bytes: ...
     def perform_rs(self) -> str: ...
-    def getinfo(self, info): ...
-    def getinfo_raw(self, info): ...
+    def getinfo(self, info: int) -> int | float | str | list[str] | list[Sequence[tuple[str, str]]]: ...
+    def getinfo_raw(self, info: int) -> int | float | bytes | list[bytes] | list[Sequence[tuple[bytes, bytes]]]: ...
     def reset(self) -> None: ...
     def unsetopt(self, option: int): ...
     def pause(self, bitmask): ...