code: def run(self):
      self.repo.experiments.branch(
          self.args.experiment, self.args.branch
      )
  
      return 0
  
file_path: dvc/dvc/commands/experiments/branch.py
imports: from dvc.cli import formatter
  from dvc.cli.command import CmdBase
  from dvc.cli.utils import append_doc_link
  from dvc.log import logger
label_desc: Use image node_id 1 for calling the CmdExperimentsBranch obj's underlying member method code with example usage: obj.run() and returns: int