code: def run(self):
      from dvc.cachemgr import migrate_2_to_3
      from dvc.repo.commit import commit_2_to_3
  
      migrate_2_to_3(self.repo, dry=self.args.dry)
      if self.args.dvc_files:
          commit_2_to_3(self.repo, dry=self.args.dry)
      return 0
  
file_path: dvc/dvc/commands/cache.py
imports: import argparse
  import os
  from dvc.cli import completion, formatter
  from dvc.cli.command import CmdBase
  from dvc.cli.utils import append_doc_link
  from dvc.commands.config import CmdConfig
  from dvc.ui import ui
label_desc: Use image node_id 1 for calling the CmdCacheMigrate obj's underlying member method code with example usage: obj.run() and returns: int