ElementList::isEmptyStartLoad

protected function isEmptyStartLoad(): bool
{
	return (
		isset($this->arParams['LAZY_LOAD'])
		&& $this->arParams['LAZY_LOAD'] === 'Y'
		&& isset($this->arParams['LOAD_ON_SCROLL'])
		&& $this->arParams['LOAD_ON_SCROLL'] === 'Y'
		&& isset($this->arParams['DEFERRED_LOAD'])
		&& $this->arParams['DEFERRED_LOAD'] === 'Y'
	);
}