code: def preserve_comment(self, line_no, key, comment, beginline):
      pass
  
imports: import datetime
  import io
  from os import linesep
  import re
  import sys
  from toml.tz import TomlTz
label_desc: Use image node_id 12 for calling the TomlDecoder obj's underlying member method code with example usage: obj.preserve_comment(line_no, key, comment, beginline) without return types