code: def add(self, inp: int):
      return self.increment + inp
  
file_path: ray/doc/source/serve/doc_code/quickstart_composed.py
imports: import requests
  import starlette
  from typing import Dict
  from ray import serve
  from ray.serve.handle import DeploymentHandle
label_desc: Use image node_id 2 for calling the Adder obj's underlying member method code with example usage: obj.add(inp) and returns: unknown