| Value | Meaning |
|---|---|
| invalid0 | Invalid (uninitialized) event. |
| streamStart | Stream start |
| streamEnd | Stream end |
| documentStart | Document start |
| documentEnd | Document end |
| alias_ | Alias |
| scalar | Scalar |
| sequenceStart | Sequence start |
| sequenceEnd | Sequence end |
| mappingStart | Mapping start |
| mappingEnd | Mapping end |
Event types.