class_docstr: Read json file's contents into the datastore.
code: def transform(self, *args):
      return super().transform.__wrapped__(self, *args)
  
imports: from __future__ import annotations
  import json
  from pathlib import Path
  from popmon.io import FileReader
label_desc: Use image node_id 2 for calling the JsonReader obj's underlying member method code with example usage: obj.transform() and returns: super