class_docstr: A wrapper type for ray.ObjectRef. Currently supports ray.get but not
  ray.wait.
code: def _from_base_ref(
      base_ref: "ray.ObjectRef", num_readers: int
  ) -> "Channel":
      return Channel(num_readers=num_readers, _base_ref=base_ref)
  
file_path: ray/python/ray/experimental/channel.py
imports: import io
  import logging
  from typing import Any, Optional
  import ray
  from ray.util.annotations import PublicAPI
label_desc: Use image node_id 2 for calling the Channel obj's underlying member method code with example usage: obj._from_base_ref(base_ref, num_readers) and returns: Channel