code: def embed_comments(self, idx, currentlevel):
      if idx not in self.saved_comments:
          return
  
      key, comment, beginline = self.saved_comments[idx]
      currentlevel[key] = CommentValue(
          currentlevel[key], comment, beginline, self._dict
      )
  
imports: import datetime
  import io
  from os import linesep
  import re
  import sys
  from toml.tz import TomlTz
label_desc: Use image node_id 3 for calling the TomlPreserveCommentDecoder obj's underlying member method code with example usage: obj.embed_comments(idx, currentlevel) without return types