static Map<String, String> translateCreationConfigs(CreatableTopicConfigCollection collection) {
        HashMap<String, String> result = new HashMap<>();
        collection.forEach(config -> result.put(config.name(), config.value()));
        return Collections.unmodifiableMap(result);
    }
Translate a CreatableTopicConfigCollection to a map from string to string.
metadata/src/main/java/org/apache/kafka/controller/ReplicationControlManager.java