/**
* @param Table $value
* @return array|Element[]
*/
public function headElements($value)
{
$elements = [];
foreach ($value->getItems() as $item) {
foreach ($value->getCells($item) as $cell) {
$renderer = $this->renderers->getRenderer($cell);
if ($renderer instanceof WebRenderer) {
$elements = array_merge($elements, $renderer->headElements($cell));
}
}
}
return $elements;
}
