code: def flag_values(self):
      return {f.name: f.default for f in self.flags}
  
imports: import logging
  import os
  from guild import cli
  from guild import guildfile
  from guild import util
  from guild import yaml_util
label_desc: Use image node_id 3 for calling the _ImportedFlagsOpDefProxy obj's underlying member method code with example usage: obj.flag_values() and returns: unknown