class_docstr: Wrapper of a node.
  
  The wrapper is needed for container entrypoint to deserialize a component
  wihtout knowning it's original python class. This enables users
  to use container base component without re-compiling the tfx base image every
  time they change the component and spec definitions.
code: def type(self) -> str:
      return self._type
  
file_path: tfx/tfx/orchestration/experimental/kubernetes/node_wrapper.py
imports: from typing import Any, Dict
  from tfx.dsl.components.base import base_node
label_desc: Use image node_id 2 for calling the NodeWrapper obj's underlying member method code with example usage: obj.type() and returns: self