code: def _get_remotes(config):
      schemes = (
          get_fs_cls(get_fs_config(config, name=remote)).protocol
          for remote in config["remote"]
      )
  
      return ", ".join(schemes) or "None"
  
imports: import importlib.metadata
  import itertools
  import os
  import pathlib
  import platform
  import psutil
  from dvc import PKG, __version__
  from dvc.exceptions import NotDvcRepoError
  from dvc.fs import Schemes, generic, get_fs_cls, get_fs_config, registry
  from dvc.repo import Repo
  from dvc.scm import SCMError
  from dvc.utils import error_link
label_desc: Use image node_id 3 for calling a global function with example usage: _get_remotes(config) and returns: unknown