Tags give the ability to mark specific points in history as being important
Harmonization 2021-03-21 Correction code style
Harmonization 2021-03-21 Updated to phpcs v3
Harmonization 2021-01-30 Reduced Psalm to level 6
Repository Harmonization 2021-01-01 Reduced Psalm to level 7
Correction from the way php handles declaration of new interfaces
Added symfony packages' implementations
Added short circuit that allows require this file in php8
Correction on default advised implementation