@doc(PeriodArray.asfreq, other='pandas.arrays.PeriodArray', other_name='PeriodArray', **_shared_doc_kwargs)
def asfreq(self, freq=None, how: str='E') -> PeriodIndex:
    arr = self._data.asfreq(freq, how)
    return type(self)._simple_new(arr, name=self.name)
@doc(PeriodArray.asfreq, other='pandas.arrays.PeriodArray', other_name='PeriodArray', **_shared_doc_kwargs)
def asfreq(self, freq=None, how: str='E') -> PeriodIndex:
    arr = self._data.asfreq(freq, how)
    return type(self)._simple_new(arr, name=self.name)