Concentrated issues

Here is the list of the lines that generated the most issues.

File	Count	Analysis
/src/Controller/WelcomeController.php:31	10	Undefined Classes Undefined Interfaces Never Used Parameter Mismatched Default Arguments Mismatched Typehint Missing Returntype In Method
/src/Domain/ValueObject/Card/PileOfCardsNormalizer.php:43	8	Used Once Variables (In Scope) PHP Keywords As Names Unused Arguments Should Use Local Class Never Used Parameter Method Could Be Static Hidden Nullable
/src/Domain/ValueObject/Game/TrickNormalizer.php:20	8	Used Once Variables (In Scope) Unused Arguments Should Use Local Class Never Used Parameter Method Could Be Static Hidden Nullable
/src/Domain/ValueObject/Game/TrickNormalizer.php:45	8	Used Once Variables (In Scope) PHP Keywords As Names Unused Arguments Should Use Local Class Never Used Parameter Method Could Be Static Hidden Nullable
/src/Domain/ValueObject/Player/PlayerIdentifiersNormalizer.php:41	8	Used Once Variables (In Scope) PHP Keywords As Names Unused Arguments Should Use Local Class Never Used Parameter Method Could Be Static Hidden Nullable
/src/StoredEventRepository/OrmStoredEventRepository.php:36	8	Methods Without Return Must Return Methods Undefined Classes Undefined Interfaces Should Make Alias Typehint Must Be Returned
/src/Domain/StringObject/StringObjectNormalizer.php:19	7	Used Once Variables (In Scope) Unused Arguments Should Use Local Class Never Used Parameter Method Could Be Static Hidden Nullable
/src/Domain/StringObject/StringObjectNormalizer.php:38	7	Used Once Variables (In Scope) PHP Keywords As Names Unused Arguments Should Use Local Class Method Could Be Static Hidden Nullable
/src/Domain/ValueObject/Card/CardNormalizer.php:34	7	Used Once Variables (In Scope) PHP Keywords As Names Unused Arguments Should Use Local Class Method Could Be Static Hidden Nullable
/src/Domain/ValueObject/Card/PileOfCardsNormalizer.php:68	7	Methods Without Return Must Return Methods Undefined Classes Undefined Interfaces Should Use Local Class Method Could Be Static Typehint Must Be Returned
/src/Domain/ValueObject/Invitation/InvitationsNormalizer.php:41	7	Used Once Variables (In Scope) PHP Keywords As Names Unused Arguments Should Use Local Class Method Could Be Static Hidden Nullable
/src/Domain/ValueObject/Player/PlayerNormalizer.php:37	7	Used Once Variables (In Scope) PHP Keywords As Names Unused Arguments Should Use Local Class Method Could Be Static Hidden Nullable
/src/Orm/Repository/WelcomingTableOrmRepository.php:51	7	Methods Without Return Must Return Methods Undefined Classes Undefined Interfaces Typehint Must Be Returned Mismatch Parameter Name
/config/bootstrap.php:9	6	Uses Default Values Buried Assignation Useless Parenthesis Missing Include Inconsistent Elseif @ Operator
/src/Domain/ValueObject/Card/SimplePileOfCards.php:20	6	Methods Without Return Must Return Methods Undefined Classes Undefined Interfaces Should Use Local Class Typehint Must Be Returned
/src/Domain/ValueObject/Card/SimplePileOfCards.php:50	6	Methods Without Return Must Return Methods Undefined Classes Undefined Interfaces Should Use Local Class Typehint Must Be Returned