> ## Documentation Index
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# CognitionAcp.CognitionGuardrailObservationMeta

> Observation of an asynchronous guardrail check on an earlier user input: the check starting, its result, or the action it took.

Observation of an asynchronous guardrail check on an earlier user input:
the check starting, its result, or the action it took. None of these render
a transcript row; they mark the target input as blocked or warned.

Identity comes from \[`CognitionTimelineObservationMeta`], merged alongside
this owner via \[`Meta::merge_into`].

```typescript
type CognitionGuardrailObservationMeta = void
```


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