code: def bind(self, *args, **kwargs):
      other_args_to_resolve = {
          PARENT_CLASS_NODE_KEY: self._actor,
          PREV_CLASS_METHOD_CALL_KEY: self._actor._last_call,
      }
  
      node = ClassMethodNode(
          self._method_name,
          args,
          kwargs,
          self._options,
          other_args_to_resolve=other_args_to_resolve,
      )
      self._actor._last_call = node
      return node
  
imports: from weakref import ReferenceType
  import ray
  from ray.dag.dag_node import DAGNode
  from ray.dag.input_node import InputNode
  from ray.dag.format_utils import get_dag_node_str
  from ray.dag.constants import PARENT_CLASS_NODE_KEY, PREV_CLASS_METHOD_CALL_KEY
  from ray.util.annotations import DeveloperAPI
  from typing import Any, Dict, List, Union, Tuple, Optional
label_desc: Use image node_id 2 for calling the _UnboundClassMethodNode obj's underlying member method code with example usage: obj.bind() and returns: node