class Playbook::PbAdvancedTable::TableHeader

def wrap_leaf_column(col, max_depth)
  wrapped = {
    accessor: col[:accessor],
    label: col[:label] || "",
    sort_menu: col[:sort_menu] || nil,
  }
  (max_depth - 1).times do
    wrapped = { label: "", columns: [wrapped] }
  end
  wrapped
end