1. gson
2. gson_parsable
3. GsonParsable
4. peek method

GsonParsable class

1. Constructors
2. GsonParsable
3. Properties
4. ended
5. hashCode
6. parsable
7. position
8. runtimeType
9. Methods
10. actual
11. error
12. goBack
13. has
14. hasNext
15. next
16. noSuchMethod
17. peek
18. reformatError
19. skip
20. toString
21. Operators
22. operator ==

String peek(int number) {
  return has(number)
      ? parsable.substring(position + number, position + number + 1)
      : throw error('Not enough space to peek $number');
}