docs: public static List<MailboxNodeContent> parseMailboxContents(List<String> jsons) throws JSONException {
          ArrayList<MailboxNodeContent> objects = new ArrayList<MailboxNodeContent>(jsons.size());
          for (String json : jsons) {
              MailboxNodeContent content = null;
              JSONObject jsObj = new JSONObject(json);
              long HSId = jsObj.getLong("HSId");
              Integer partitionId = null;
              if (jsObj.has("partitionId")) {
                  partitionId = jsObj.getInt("partitionId");
              }
              content = new MailboxNodeContent(HSId, partitionId);
              objects.add(content);
          }
          return objects;
      }