class_docstr: Cache to give a repository instance for any given file path
  
  Instances of _CachedRepo are created and returned based on the
  determined dataset root path of a given file path.
code: def clear(self):
      for repo in self.values():
          repo.cleanup_cachedrepo()
      super().clear()
  
imports: import logging
  import os.path
  from shutil import copyfile
  import sys
  from datalad.interface.base import Interface
  from datalad.interface.base import build_doc, eval_results
  from datalad.support.constraints import EnsureStr, EnsureNone
  from datalad.interface.common_opts import save_message_opt
  from datalad.support.param import Parameter
  from datalad.distribution.dataset import Dataset, require_dataset
  from datalad.support.annexrepo import AnnexRepo
  from datalad.support.exceptions import CapturedException
  from datalad.utils import ensure_list, get_dataset_root, Path
  from datalad.distribution.dataset import EnsureDataset, datasetmethod, resolve_path
  from functools import lru_cache
label_desc: Use image node_id 4 for calling the _StaticRepoCache obj's underlying member method code with example usage: obj.clear() without return types