code: def find_domain(op, *domains):
      r"""
      Finds the :class:`Domain` resulting when applying ``op`` to ``domains``.
      :param callable op: An operation.
      :param Domain \*domains: One or more input domains.
      """
      raise NotImplementedError
  
imports: import copyreg
  import functools
  import inspect
  import operator
  import warnings
  from functools import reduce
  from weakref import WeakValueDictionary
  import funsor.ops
  from funsor.ops.builtin import parse_ellipsis, parse_slice
  from funsor.util import broadcast_shape, get_backend, get_tracing_state, quote
label_desc: Use image node_id 4 for calling a global function with example usage: find_domain(op) without return types