THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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We can use the `AdminClient.describeConfigs` on the topics as that the API call will give us the "computed" proper value values for configurations (ConfigSource as "DYNAMIC_TOPIC_CONFIG", "DYNAMIC_BROKER_CONFIG", "DYNAMIC_DEFAULT_BROKER_CONFIG", "STATIC_BROKER_CONFIG", and "DEFAULT_CONFIG").
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