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 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.

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)'.

Converting null literal or possible null value to non-nullable type.

Converting null literal or possible null value to non-nullable type.