<TreeView
  expandAll={true}
  showIcon={true}
  showVerticalLine={true}
  data={[
    {
      key: "0",
      label: "Documents",
      childNodes: [
        {
          key: "0-0",
          label: "Media",
          childNodes: [
            {
              key: "0-1-1",
              label: "preview.mp4",
              iconType: "video",
            },
            {
              key: "0-1-2",
              label: "beautiful_girl.png",
              iconType: "image",
            },
          ],
        },
      ],
    },
    {
      key: "1",
      label: "Desktop",
      childNodes: [
        {
          key: "1-0",
          label: "document1.doc",
        },
        {
          key: "0-0",
          label: "document-2.doc",
        },
      ],
    },
    {
      key: "2",
      label: "Downloads",
      childNodes: [],
    },
  ]}
  icons={{
    video: <VideoIcon width={16} height={16} />,
    image: <ImageIcon width={16} height={16} />,
  }}
/>