code: def stop(self):
      self.stop_event.set()
  
file_path: kafka-python/example.py
imports: import threading, time
  from kafka import KafkaAdminClient, KafkaConsumer, KafkaProducer
  from kafka.admin import NewTopic
label_desc: Use image node_id 2 for calling the Consumer obj's underlying member method code with example usage: obj.stop() without return types