class_docstr: Simple backend dispatch for collection-creation functions
class_docstr_tok: ["Simple","backend","dispatch","for","collection-creation","functions"]
code: def backend(self, value: str):
      raise RuntimeError(
          f"Set the backend by configuring the {self._config_field} option"
      )
  
file_path: dask/dask/backends.py
imports: from __future__ import annotations
  from collections.abc import Callable
  from functools import lru_cache, wraps
  from typing import TYPE_CHECKING, Generic, TypeVar
  import importlib_metadata
  from dask import config
  from dask.utils import funcname
label_desc: Use image node_id 5 for calling the CreationDispatch obj's underlying member method code with example usage: obj.backend(value) without return types