list($tab, $type, [
  [$value1, { inlist => [ $inlist1_type, [ $value1a, $value1b ] ], class => $value1class }],
  [$value2, { inlist => [ $inlist2_type, [ 
    [$value2a, { inlist => [ $inlist2a_type, [$value2a1, $value2a2 ] ]}],
    [$value2b, { style => 'font-size: small' }]
  ]]}],
]);