multicolumn headers in a Tree List

Hi,

I have a requirement to group the columns (Like multicolumn headers--> http://demos.telerik.com/kendo-ui/grid/multicolumnheaders ) in a Tree List (for treelist using --> http://docs.telerik.com/kendo-ui/api/javascript/ui/treelist#configuration-messages.commands).

I tried it but not able to. Any idea on how can we achieve this?

Thanks!