code: def set_classes(self, classes):
      self.CLASSES = classes
      self.num_classes = len(self.CLASSES)
  
file_path: neon/examples/ssd/ssd_dataloader.py
imports: import numpy
  from neon.data.dataloader_transformers import DataLoaderTransformer
  from neon.data.dataloader_transformers import TypeCast, BGRMeanSubtract
  from aeon import DataLoader
  from neon.data.dataloaderadapter import DataLoaderAdapter
label_desc: Use image node_id 4 for calling the ObjectLocalization obj's underlying member method code with example usage: obj.set_classes(classes) without return types