docs: public static List<Entity> getContentSpecEntities(final ContentSpec contentSpec) {
          final DocBookVersion docBookVersion = getDocBookVersion(contentSpec);
          final String escapedTitle = DocBookUtilities.escapeTitle(contentSpec.getTitle());
          final String entitiesString = ContentSpecUtilities.generateEntitiesForContentSpec(contentSpec, docBookVersion, escapedTitle,
                  contentSpec.getTitle(), contentSpec.getProduct());
          return XMLUtilities.parseEntitiesFromString(entitiesString);
      }