# XWUICheckpointMarker

Thread checkpoint divider. `at` is a host string so baselines are clock-stable. Do not nest ChatDateDivider.

## Basic Usage

Empty checkpoint.

```example
file: examples/BasicUsage.ts
html: examples/BasicUsage.html
title: Basic Usage
description: Empty checkpoint.
```

## Named

Host timestamp string.

```example
file: examples/Named.ts
html: examples/Named.html
title: Named
description: Host timestamp string.
```

## Restore

Emit restore.

```example
file: examples/Restore.ts
html: examples/Restore.html
title: Restore
description: Emit restore.
```

## Autonomy

confirm.

```example
file: examples/Autonomy.ts
html: examples/Autonomy.html
title: Autonomy
description: confirm.
```

```api
```