> For the complete documentation index, see [llms.txt](https://docs.angular-package.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.angular-package.dev/wrapper/wrap/properties/opening.md).

# #opening

## `#opening:`<mark style="color:green;">`Opening`</mark>

Private property of the [opening chars](/wrapper/getting-started/basic-concepts.md#opening) of a generic type variable [`Opening`](/wrapper/wrap/generic-type-variables.md#wrap-opening).

{% code title="wrap.class.ts" %}

```typescript
#opening: Opening;
```

{% endcode %}