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# CognitionAcp.RevertHistoryRewoundNotification

> Payload for []: the authoritative rewind boundary.

Payload for \[`REVERT_HISTORY_REWOUND_METHOD`]: the authoritative rewind
boundary. The client cuts its transcript at the first removed user
message — that message and everything after it are no longer part of the
session's history — without reloading the session.

```typescript
type RevertHistoryRewoundNotification = void
```


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