Lpd 6611 pr1

[algobob]

*Feature: In-Memory Generation of Frontend Token Definition Object.
Refactor: FrontendTokenDefinitionRegistryImpl had a lot of responsabilities coupled in it, which make it hard to test. Some new classes were created and some code were moved out, which improved the legibility and design for testability.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}