chore: import upstream snapshot with attribution

python/ray/experimental/channel/communicator_handle.py

@@ -0,0 +1,28 @@
+from typing import List
+
+import ray
+
+
+class CommunicatorHandle:
+    """
+    A lightweight communicator handle used by the driver to store handles to
+    the actors in the communicator.
+    """
+
+    def __init__(
+        self,
+        actor_handles: List["ray.actor.ActorHandle"],
+    ):
+        """
+        Initializes the CommunicatorHandle with the given actor handles.
+
+        Args:
+            actor_handles: A list of actor handles to be stored.
+        """
+        self._actor_handles = actor_handles
+
+    def get_actor_handles(self) -> List["ray.actor.ActorHandle"]:
+        """
+        Retuan all actor handles in this communicator.
+        """
+        return self._actor_handles