Smile\ElasticsuiteThesaurus\Block\Adminhtml\Thesaurus\Renderer\Synonyms::_construct PHP Method

    protected function _construct()
    {
        $this->addColumn('term_id', ['label' => '']);
        $this->addColumn('values', ['label' => __('Synonym terms')]);
        $this->_addAfter = false;
        $this->_addButtonLabel = __('Add Synonym');
        parent::_construct();
    }