code: def client_for(
      self, key: Union[Dataset, int, str, UID]
  ) -> SyftClient:
      if isinstance(key, Dataset):
          dataset = key
      else:
          dataset = self.__getitem__(key)
      return self._dataset_client[dataset.id]
  
file_path: PySyft/packages/syft/src/syft/client/search.py
imports: from typing import List
  from typing import Tuple
  from typing import Union
  from ..service.dataset.dataset import Dataset
  from ..service.metadata.node_metadata import NodeMetadataJSON
  from ..service.network.network_service import NodePeer
  from ..types.uid import UID
  from .client import SyftClient
  from .registry import DomainRegistry
label_desc: Use image node_id 5 for calling the SearchResults obj's underlying member method code with example usage: obj.client_for(key) and returns: self