Intellisense Not Working in Chained Calls from Phalcon

For other phalcon calls, the use of the stubs for IDE's works fine.  I have also installed the Phalcon autocomplete plugin.  For a sequence of Model::query()->execute(), however, the result type is not recognized.  In the case below:

The execute is defined:

Is there something I am doing wrong, or is the intellisense not able to follow chains of method calls?  Using PhpStorm 2018.1 and Phalcon 3.0.