code: def add_cmdline_args(
      cls, parser: ParlaiParser, partial_opt: Optional[Opt] = None
  ) -> ParlaiParser:
      WoiSearchDecisionTeacher.add_cmdline_args(parser, partial_opt)
      WowSearchDecisionTeacher.add_cmdline_args(parser, partial_opt)
      SquadSearchDecisionTeacher.add_cmdline_args(parser, partial_opt)
      TriviaQASearchDecisionTeacher.add_cmdline_args(
          parser, partial_opt
      )
      NQSearchDecisionTeacher.add_cmdline_args(parser, partial_opt)
      Convai2SearchDecisionTeacher.add_cmdline_args(parser, partial_opt)
      EDSearchDecisionTeacher.add_cmdline_args(parser, partial_opt)
      MSCSearchDecisionTeacher.add_cmdline_args(parser, partial_opt)
      return parser
  
imports: from typing import Optional
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from parlai.core.teachers import MultiTaskTeacher
  import parlai.tasks.convai2.agents
  import parlai.tasks.empathetic_dialogues.agents
  import parlai.tasks.wizard_of_internet.agents
  import parlai.tasks.wizard_of_wikipedia.agents
  import parlai.tasks.squad.agents
  import parlai.tasks.triviaqa.agents
  import parlai.tasks.natural_questions.agents
  import parlai.tasks.msc.agents
  import parlai.utils.logging
  import projects.seeker.tasks.mutators
label_desc: Use image node_id 1 for calling the SearchDecisionTeacher obj's underlying member method code with example usage: obj.add_cmdline_args(cls, parser, partial_opt) and returns: parser