Phalcon\Tag, Phalcon\Db\Adapter, last zephir [ci skip]
Phalcon\Db\Index, Phalcon\Db\Reference, Phalcon\Db\RawValue, Phalcon\Db\Result\Pdo [ci skip]
more Phalcon\Db classes, type hints for phalcon\events\manager [ci skip]
use short paths in debugs, better type inference [ci skip]