code: def add(self, item: InType) -> None:
      self.results.append(item)
  
imports: import time
  from typing import Any, Callable, Iterable, List, Tuple, Union
  import ray
  from ray import ObjectRef
  from ray.cluster_utils import Cluster
label_desc: Use image node_id 2 for calling the ObjectStoreWriterNonStreaming obj's underlying member method code with example usage: obj.add(item) without return types