code: def merge(self, mini_batch):
      for _req in mini_batch.reqs:
          self.reqs.append(_req)
      self.id_to_reqs = {req.request_id: req for req in self.reqs}
      return
  
imports: from typing import Dict, List, Tuple
  from .sampling_params import SamplingParams
label_desc: Use image node_id 8 for calling the Batch obj's underlying member method code with example usage: obj.merge(mini_batch) without return types