code: @SuppressWarnings("unchecked")
    private Map<String, Object> convertToMap(Object yamlDocument) {
  
      Map<String, Object> yamlMap = new LinkedHashMap<>();
  
      // Document is a text block
      if (!(yamlDocument instanceof Map)) {
        yamlMap.put("content", yamlDocument);
        return yamlMap;
      }
  
      for (Map.Entry<Object, Object> entry : ((Map<Object, Object>) yamlDocument).entrySet()) {
        Object value = entry.getValue();
  
        if (value instanceof Map) {
          value = convertToMap(value);
        } else if (value instanceof Collection) {
          ArrayList<Map<String, Object>> collection = new ArrayList<>();
  
          for (Object element : ((Collection) value)) {
            collection.add(convertToMap(element));
          }
  
          value = collection;
        }
  
        yamlMap.put(entry.getKey().toString(), value);
      }
      return yamlMap;
    }
docs: Convert given Yaml document to a multi-level map.