---
jsApi: true
title: "[T] TypeOfDiagnostics"

---
```ts
TypeOfDiagnostics: <T> T extends DiagnosticMap< infer D > ? D : never
```

## Type parameters

| Parameter |
| :------ |
| `T` *extends* [`DiagnosticMap`](Type.DiagnosticMap.md)< `any` \> |
