class_docstr: Represents a deployment node in a DAG authored Ray DAG API.
code: def get_deployment_name(self):
      return self._deployment.name
  
file_path: ray/python/ray/serve/_private/deployment_node.py
imports: from typing import Any, Dict, List, Optional, Tuple
  from ray.dag import DAGNode
  from ray.dag.format_utils import get_dag_node_str
  from ray.serve._private.constants import RAY_SERVE_ENABLE_NEW_HANDLE_API
  from ray.serve.deployment import Deployment
  from ray.serve.handle import DeploymentHandle, RayServeHandle
label_desc: Use image node_id 4 for calling the DeploymentNode obj's underlying member method code with example usage: obj.get_deployment_name() and returns: self