code: def adb_server_socket() -> str:
      return os.getenv(ADB_SERVER_SOCKET, default="tcp:5037")
  
imports: import os
  import random
  from typing import Optional, Union
  import pytest
  import tvm
  import tvm.rpc.tracker
  from tvm.contrib.hexagon.build import HexagonLauncher, HexagonLauncherRPC
  from tvm.contrib.hexagon.session import Session
  from tvm.contrib.hexagon.tools import HEXAGON_SIMULATOR_NAME
label_desc: Use image node_id 10 for calling a global function with example usage: adb_server_socket() and returns: os