code: def _storage_object(
      self,
      query: str,
      provider: Optional[str] = None,
      retrieve: bool = True,
      keep_local: bool = False,
  ):
      provider_name = provider
  
      if provider_name is None:
          provider_name = self.infer_provider(query)
  
      provider = self._storages.get(provider_name)
      if provider is None:
          provider = self.register_storage(provider_name)
  
      query_validity = provider.is_valid_query(query)
      if not query_validity:
          raise WorkflowError(
              f"Error applying storage provider {provider_name} "
              "(see https://snakemake.github.io/snakemake-plugin-catalog/plugins/"
              "storage/{provider}.html). {query_validity}"
          )
  
      storage_object = provider.object(
          query, retrieve=retrieve, keep_local=keep_local
      )
  
      return flag_with_storage_object(query, storage_object)
  
imports: import copy
  from typing import Any, Optional
  from snakemake.io import flag
  from snakemake.workflow import Workflow
  from snakemake_interface_common.exceptions import WorkflowError
  from snakemake_interface_storage_plugins.registry import StoragePluginRegistry
  from snakemake_interface_storage_plugins.storage_object import StorageObjectWrite, StorageObjectRead
  from snakemake.io import MaybeAnnotated
  from snakemake.common import __version__
label_desc: Use image node_id 7 for calling the StorageRegistry obj's underlying member method code with example usage: obj._storage_object(query, provider, retrieve, keep_local) and returns: flag_with_storage_object