public function down()
    {
        $this->db->createCommand("SET foreign_key_checks = 0")->execute();
        $this->dropTable('{{%property_property_group}}');

        $this->dropTable('{{%property_translation}}');
        $this->dropTable('{{%property}}');
        $this->dropTable('{{%property_group_translation}}');
        $this->dropTable('{{%property_group}}');

        $this->dropTable('{{%property_storage}}');

        $this->dropTable('{{%static_value_translation}}');
        $this->dropTable('{{%static_value}}');

        $this->dropTable(ApplicablePropertyModels::tableName());
        $this->dropTable('{{%property_handlers}}');
        $this->db->createCommand("SET foreign_key_checks = 1")->execute();
    }