class_docstr: A small serializable object to wrap literal values without copying.
code: def __reduce__(self):
      return literal, (self.data,)
  
imports: from collections import defaultdict
  from typing import List, Sequence
  from flash.core.utilities.imports import _TOPIC_SERVE_AVAILABLE
label_desc: Use image node_id 3 for calling the literal obj's underlying member method code with example usage: obj.__reduce__() and returns: literal,  self