static String lookupKafkaClusterId(WorkerConfig config) {
        log.info("Creating Kafka admin client");
        try (Admin adminClient = Admin.create(config.originals())) {
            return lookupKafkaClusterId(adminClient);
        }
    }
Get a basic ConfigDef for a WorkerConfig. This includes all the common settings. Subclasses can use this to
bootstrap their own ConfigDef.
@return a ConfigDef with all the common options specified
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/WorkerConfig.java