Type parameter 'TSource' has the same name as the type parameter from outer type 'MappingUserForm<TSource, TTarget>'

Type parameter 'TTarget' has the same name as the type parameter from outer type 'MappingUserForm<TSource, TTarget>'

Non-nullable property 'Settings' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable field '_appConfig' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_timeCardService' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Possible null reference argument for parameter 'holidayType' in 'ImmutableList<DateTime> TimeCardUserForm.FilterHolidays(IImmutableList<TimeCardAbsence> absences, TimeCardAbsenceType holidayType)'.

Dereference of a possibly null reference.

Possible null reference argument for parameter 'name' in 'AbwesenheitseintragOhneMapping<TimeCardAbsenceType>.AbwesenheitseintragOhneMapping(string name, int personalnummer, TimeCardAbsenceType absenceType, DateTime start, DateTime ende, float anzahlTage)'.