code: def __eq__(self, other):
      if isinstance(other, pyarrow.BaseExtensionType):
          return type(self) == type(other) and self.freq == other.freq
      else:
          return NotImplemented
  
imports: from __future__ import annotations
  import json
  import pyarrow
  from pandas._typing import IntervalClosedType
  from pandas.core.arrays.interval import VALID_CLOSED
label_desc: Use image node_id 5 for calling the ArrowPeriodType obj's underlying member method code with example usage: obj.__eq__(other) and returns: unknown, NotImplemented