GHXXX PR feedback

Author: loicdiridollou

pandas-stubs/core/resample.pyi

@@ -11,12 +11,14 @@ from typing import (
 import numpy as np
 from pandas import (
     DataFrame,
+    Index,
     Series,
     Timedelta,
 )
 from pandas.core.groupby.generic import SeriesGroupBy
 from pandas.core.groupby.groupby import BaseGroupBy
 from pandas.core.groupby.grouper import Grouper
+from pandas.core.groupby.ops import BinGrouper
 from typing_extensions import (
     Self,
     TypeAlias,
@@ -57,6 +59,8 @@ _SeriesGroupByFuncArgs: TypeAlias = (
 )
 
 class Resampler(BaseGroupBy[NDFrameT]):
+    _grouper: BinGrouper
+    ax: Index
     def __getattr__(self, attr: str) -> SeriesGroupBy: ...
     @overload
     def aggregate(