CI3 Code Completion for IntelliJ PHPStorm/IDEA

Sorry for my English...

Eeverything is ok when not using extends for CI_Controller. 
When I use MY_Controller, autocomplete doesn't work.

PHP Code:

class TestA extends CI_Controller {
    public function good {  
        //autocomplete works fine
    }
}

class MY_Controller extends CI_Controller { /*...*/ }
class TestB extends MY_Controller {
    public function bad {  
        //autocomplete doesn't work
    }
}