class InternalTopologyBuilder {

    public final void addInternalTopic(final String topicName,
                                       final InternalTopicProperties internalTopicProperties) {
        Objects.requireNonNull(topicName, "topicName can't be null");
        Objects.requireNonNull(internalTopicProperties, "internalTopicProperties can't be null");

        internalTopicNamesWithProperties.put(topicName, internalTopicProperties);
    }

}