code: def __next__(self) -> int:
      i = self.counter
      self.counter += 1
      return i
  
file_path: BigDL/python/llm/src/bigdl/llm/vllm/utils.py
imports: import uuid
  import socket
  from typing import List, Optional, Tuple, Union
  from transformers import AutoTokenizer, PreTrainedTokenizer, PreTrainedTokenizerFast
  from bigdl.llm.vllm.logger import init_logger
  from bigdl.llm.utils.common import invalidInputError
label_desc: Use image node_id 2 for calling the Counter obj's underlying member method code with example usage: obj.__next__() and returns: i