method definitions doesn't match with the interface in TracableTwigTemplate

[feyyazesat]

in v.15.0 release tag, that TracableTwigTemplate extends Twig_Template but hasBlock and getBlockNames methods are not match with the Twig_Template signature's

Twig_Template definitions public function hasBlock($name, array $context = null, array $blocks = array()) public function getBlockNames(array $context = null, array $blocks = array())

TracableTwigTemplate defintions public function hasBlock($name) public function getBlockNames()