code: def get_service(self, path_or_func: Union[str, Callable]) -> Callable:
      raise NotImplementedError
  
file_path: PySyft/packages/syft/src/syft/abstract_node.py
imports: from enum import Enum
  from typing import Callable
  from typing import Optional
  from typing import Union
  from .serde.serializable import serializable
  from .types.uid import UID
label_desc: Use image node_id 1 for calling the AbstractNode obj's underlying member method code with example usage: obj.get_service(path_or_func) without return types