vim.filetype.add {
  pattern = {
    ['.*'] = {
      priority = math.huge,
      function(path, bufnr)
        local line1 = vim.filetype.getlines(bufnr, 1)
        local line2 = vim.filetype.getlines(bufnr, 2)
        if vim.filetype.matchregex(line1, [[^AWSTemplateFormatVersion]] ) or
        vim.filetype.matchregex(line2, [[^AWSTemplateFormatVersion]] ) then
          return 'yaml.cloudformation'
        elseif vim.filetype.matchregex(line1, [[["']AWSTemplateFormatVersion]] ) or
		   vim.filetype.matchregex(line2, [[["']AWSTemplateFormatVersion]] ) then
          return 'json.cloudformation'
        end
      end,
    },
  },
}