/**
* Create a filter group based on the filter array provided and add to the filter groups
*
* @param \Magento\Framework\Api\Filter[] $filter
* @return $this
*/
public function addFilter(array $filter)
{
$this->data[SearchCriteria::FILTER_GROUPS][] = $this->_filterGroupBuilder->setFilters($filter)->create();
return $this;
}
