code: def test_number_of_public_methods(self):
      msg = (
          "New field or method was detected in JVM side. If you added a new public "
          "field or method, implement that in the corresponding Python class too."
          "Otherwise, fix the number on the assert here."
      )
  
      def get_number_of_public_methods(clz):
          return len(
              self.spark.sparkContext._jvm.org.apache.spark.util.Utils.classForName(
                  clz, True, False
              ).getMethods()
          )
  
      self.assertEqual(
          get_number_of_public_methods(
              "org.apache.spark.sql.streaming.StreamingQueryListener$QueryStartedEvent"
          ),
          15,
          msg,
      )
      self.assertEqual(
          get_number_of_public_methods(
              "org.apache.spark.sql.streaming.StreamingQueryListener$QueryProgressEvent"
          ),
          12,
          msg,
      )
      self.assertEqual(
          get_number_of_public_methods(
              "org.apache.spark.sql.streaming.StreamingQueryListener$QueryTerminatedEvent"
          ),
          15,
          msg,
      )
      self.assertEqual(
          get_number_of_public_methods(
              "org.apache.spark.sql.streaming.StreamingQueryProgress"
          ),
          38,
          msg,
      )
      self.assertEqual(
          get_number_of_public_methods(
              "org.apache.spark.sql.streaming.StateOperatorProgress"
          ),
          27,
          msg,
      )
      self.assertEqual(
          get_number_of_public_methods(
              "org.apache.spark.sql.streaming.SourceProgress"
          ),
          21,
          msg,
      )
      self.assertEqual(
          get_number_of_public_methods(
              "org.apache.spark.sql.streaming.SinkProgress"
          ),
          19,
          msg,
      )
  
imports: import json
  import time
  import uuid
  from datetime import datetime
  from pyspark import Row
  from pyspark.sql.streaming import StreamingQueryListener
  from pyspark.sql.streaming.listener import QueryStartedEvent, QueryProgressEvent, QueryTerminatedEvent, SinkProgress, SourceProgress, StateOperatorProgress, StreamingQueryProgress
  from pyspark.testing.sqlutils import ReusedSQLTestCase
label_desc: Use image node_id 1 for calling the StreamingListenerTests obj's underlying member method code with example usage: obj.test_number_of_public_methods() and returns: len