question: public Properties config ( ) { Properties runningConfig = new Properties ( config ) ; runningConfig . setProperty ( KafkaConfig . ZkConnectProp ( ) , zookeeperConnection ( ) ) ; runningConfig . setProperty ( KafkaConfig . BrokerIdProp ( ) , Integer . toString ( brokerId ) ) ; runningConfig . setProperty ( KafkaConfig . HostNameProp ( ) , "localhost" ) ; runningConfig . setProperty ( KafkaConfig . AutoCreateTopicsEnableProp ( ) , String . valueOf ( Boolean . TRUE ) ) ; return runningConfig ; }
target:  Get a copy of the complete configuration that is or will be used by the running server.