1const customCursor = ({ isPointerDown }) => {
2    return isPointerDown ? 'grabbing': 'grab'
3  }
4  return (
5    <PanelGroup customCursor={customCursor}>
6      <Panel minSize={10} defaultSize={30}>
7        left
8      </Panel>
9      <PanelResizeHandle />
10      <Panel minSize={20} defaultSize={30}>
11        right
12      </Panel>
13    </PanelGroup>
14  )