class_docstr: Example for subclassing TVM's NDArray infrastructure.
  
  By inheriting TVM's NDArray, external libraries could
  leverage TVM's FFI without any modification.
code: def additional_info(self):
      return nd_get_additional_info(self)
  
file_path: tvm/apps/extension/python/tvm_ext/__init__.py
imports: from __future__ import absolute_import
  import os
  import ctypes
  import tvm
  from tvm import te
label_desc: Use image node_id 2 for calling the NDSubClass obj's underlying member method code with example usage: obj.additional_info() and returns: nd_get_additional_info