https://learn.microsoft.com/ru-ru/dotnet/api/system.runtime.constrainedexecution.criticalfinalizerobject?view=netframework-4.8.1&viewFallbackFrom=net-10.0
CriticalFinalizerObject Class (System.Runtime.ConstrainedExecution) | Microsoft Learn
Ensures that all finalization code in derived classes is marked as critical.
class systemruntimemicrosoftlearn