code: protected List<String> getTopicIds() {
          LinkedList<String> topicIds = new LinkedList<String>();
          for (final Entry<String, SpecTopic> specTopicEntry : topics.entrySet()) {
              topicIds.add(specTopicEntry.getKey());
          }
          return topicIds;
      }
docs: Gets all of the Content Specification Unique Topic ID's that are used in the process.
  
  @return A List of Unique Topic ID's.