| Value | Meaning |
|---|---|
| none | Used internally, never occurs in a node stream |
| key | An object key |
| literal | A literal value (null, boolean, number or string) |
| objectStart | The start of an object value |
| objectEnd | The end of an object value |
| arrayStart | The start of an array value |
| arrayEnd | The end of an array value |
Identifies the kind of a parser node.