private Map<String, Integer> collectSections(Iterator<JsonNode> iterator) {
   Map<String, Integer> sectionsMap = new HashMap<>();
   while (iterator.hasNext()) {
     JsonNode element = iterator.next();
     sectionsMap.put(element.get(LINE).asText(), element.get(INDEX).asInt());
   }
   return sectionsMap;
 }
 public Integer extractSectionIndex(JsonNode sections, String seasonNumber) throws ParseException {
   Map<String, Integer> sectionsList = extractSectionsList(sections);
   for (Map.Entry<String, Integer> section : sectionsList.entrySet()) {
     if (matchNumberedSection(section.getKey(), seasonNumber)) {
       return section.getValue();
     }
   }
   for (Map.Entry<String, Integer> section : sectionsList.entrySet()) {
     if (section.getKey().matches(EPISODES)) {
       return section.getValue();
     }
   }
   throw new ParseException("Section not found.", 0);
 }