class_docstr: Abstract class for deep learning components.
code: def process_event(self, event_name, data):
      pass
  
imports: from abc import abstractmethod
  from .component import Component
  from .serializable import Serializable
label_desc: Use image node_id 2 for calling the NNModel obj's underlying member method code with example usage: obj.process_event(event_name, data) without return types