public boolean topicCreationEnable() {
        return getBoolean(TOPIC_CREATION_ENABLE_CONFIG);
    }
@return the {@link CommonClientConfigs#BOOTSTRAP_SERVERS_CONFIG bootstrap servers} property
used by the worker when instantiating Kafka clients for connectors and tasks (unless overridden)
and its internal topics (if running in distributed mode)
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/WorkerConfig.java