code: def _install_extensions():
      Doc.set_extension(
          KNP_PARALLEL_NOUN_CHUNKS, default=None, force=True
      )
  
file_path: camphr/packages/camphr_knp/camphr_knp/noun_chunker.py
imports: from typing import Iterable, List, Optional, Tuple
  import spacy
  from spacy.tokens import Doc, Span, Token
  from .consts import KNP_USER_KEYS
label_desc: Use image node_id 1 for calling a global function with example usage: _install_extensions() without return types