Layouts are automatically saved when an `autoSaveId` prop is provided. Try this by editing the layout below and then reloading the page.
1<PanelGroup autoSaveId="persistence" direction="horizontal">
2 <Panel>
3 <Text>left</Text>
4 </Panel>
5 <ResizeHandle />
6 <Panel>
7 <Text>right</Text>
8 </Panel>
9</PanelGroup>