code: def push(
      self, remote: Optional[str], odb: Optional["ObjectDB"] = None
  ):
      try:
          dest_odb = odb or self.repo.cloud.get_remote_odb(
              remote, "push --run-cache", hash_name="md5-dos2unix"
          )
      except RemoteConfigError as e:
          raise RunCacheNotSupported(e) from e
      return self.transfer(self.repo.cache.legacy, dest_odb)
  
imports: import os
  from contextlib import contextmanager
  from typing import TYPE_CHECKING, List, Optional, Tuple
  from funcy import first
  from dvc import fs
  from dvc.config import RemoteConfigError
  from dvc.exceptions import CollectCacheError, DvcException
  from dvc.log import logger
  from dvc.utils import dict_sha256, relpath
label_desc: Use image node_id 12 for calling the StageCache obj's underlying member method code with example usage: obj.push(remote, odb) and returns: self