class_docstr: This class deals with all handler-related storage requirements, from storing metadata to synchronizing folders
  across instances.
class_docstr_tok: ["This","class","deals","with","all","handler-related","storage","requirements",",","from","storing","metadata","to","synchronizing","folders","across","instances","."]
code: def file_list(self):
      ...
  
imports: import os
  import re
  import io
  import zipfile
  from typing import Union
  import mindsdb.interfaces.storage.db
  from .fs import RESOURCE_GROUP, FileStorageFactory, SERVICE_FILES_NAMES
  from .json import get_json_storage
label_desc: Use image node_id 8 for calling the HandlerStorage obj's underlying member method code with example usage: obj.file_list() without return types