class_docstr: Base class for all vision handlers
code: def set_max_result_classes(self, topk):
      self.topk = topk
  
file_path: serve/examples/nvidia_dali/custom_handler.py
imports: from torch.profiler import ProfilerActivity
  from ts.torch_handler.dali_handler import DALIHandler
label_desc: Use image node_id 3 for calling the DALIMNISTDigitClassifier obj's underlying member method code with example usage: obj.set_max_result_classes(topk) without return types