code: def _get_linktype_support_info(repo):
      odb = repo.cache.local
  
      links = generic.test_links(
          ["reflink", "hardlink", "symlink"],
          odb.fs,
          odb.path,
          repo.fs,
          repo.root_dir,
      )
  
      return ", ".join(links)
  
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 4 for calling a global function with example usage: _get_linktype_support_info(repo) and returns: str