code: def update(self, rev=None):
      if self.fs.version_aware:
          self.fs_path = self.fs.version_path(self.fs_path, rev)
          self.meta = self.get_meta()
          self.fs_path = self.fs.version_path(
              self.fs_path, self.meta.version_id
          )
  
file_path: dvc/dvc/dependency/base.py
imports: from typing import Dict, Type
  from dvc.exceptions import DvcException
  from dvc.fs import download
  from dvc.output import Output
label_desc: Use image node_id 2 for calling the Dependency obj's underlying member method code with example usage: obj.update(rev) without return types