code: def __call__(self, data):
      pass
  
file_path: MONAI/tests/test_map_transform.py
imports: from __future__ import annotations
  import unittest
  from parameterized import parameterized
  from monai.transforms import MapTransform
label_desc: Use image node_id 1 for calling the MapTest obj's underlying member method code with example usage: obj.__call__(data) without return types