ignores missing functions without crashing
SmartClassReflector always knows about file it's parsing thanks to CurrentFileProvider
add stub file to /stubs directory

Stub Files

Sometimes we need reflection of class that is not here.

To overcome this hard dependency on /vendor, we can prepare a stub file in format:

/stubs/Namespace.ClassName.stub

When class Namespace\ClassName and is nowhere to be found, the stub file will be used to identify it.

How to add Stub File?

Copy original file from Github and use y to get absolute link to original file (in case of debug or anything).
Also refer Rector config with version this stub was used for.
Add these 2 informations to the top of stub file:

<?php

# source: https://github.com/nette/application/blob/12ce71ebb7389d2c24fa6f1a57a4348cad228c5e/src/Application/UI/ITemplate.php
# for: nette24.yml

namespace Nette\...