code: def site_cache_dir():
      return os.getenv(
          env.DVC_SITE_CACHE_DIR
      ) or platformdirs.site_cache_dir(APPNAME, APPAUTHOR, opinion=True)
  
imports: import os
  import platformdirs
  from .None import env
label_desc: Use image node_id 3 for calling a global function with example usage: site_cache_dir() and returns: unknown