private static List<ClasspathEntryModel> readClasspath(IonReader reader) {
    List<ClasspathEntryModel> list = new ArrayList<>();
    reader.next();
    reader.stepIn();
    ClasspathEntryModel entry;
    while ((entry = readClasspathEntry(reader)) != null) {
      list.add(entry);
    }
    reader.stepOut();
    return list;
  }
private static List<ClasspathEntryModel> readClasspath(IonReader reader)