code: def get(self, key: str, default=None):
      return self.cfg.get(key, default)
  
imports: import os.path
  from typing import List, NamedTuple, Any
  from vizseq._utils.json import VizSeqJson
  from vizseq.scorers import get_scorer_ids
  from .tokenizers import VizSeqTokenization
label_desc: Use image node_id 2 for calling the VizSeqBaseConfigManager obj's underlying member method code with example usage: obj.get(key, default) and returns: self