public function getPopularQueries($storeId = null)
{
if ($storeId === null) {
$storeId = Mage::app()->getStore()->getId();
}
/** @var Algolia_Algoliasearch_Helper_Entity_Suggestionhelper $suggestion_helper */
$suggestion_helper = Mage::helper('algoliasearch/entity_suggestionhelper');
$popularQueries = $suggestion_helper->getPopularQueries($storeId);
return $popularQueries;
}