public enum StateToken| Undefined | 0 | Undefined |
| FileEnd | 1 | End-of-file |
| Object | 2 | Object, with a name |
| ObjectEnd | 3 | End of object |
| ObjectEmpty | 4 | Empty object |
| Value | 5 | Value |
| IsOneOf |
Returns true if enumeration is one of the listed ones.
(Defined by GenericExtensions) |