Possible null reference argument for parameter 'control' in 'bool ResourceNodeExtensions.TryGetResource(IResourceHost control, object key, out object? value)'.

Possible null reference argument for parameter 'commandValue' in 'void HyperLinkCommand.HandleCommandChanged(AvaloniaObject element, ICommand commandValue)'.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'Parameter' of 'object ConditionalGridLengthStarConverter.ConvertBack(object value, Type targetType, object Parameter, CultureInfo culture)' doesn't match implicitly implemented member 'object? IValueConverter.ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' of 'object ConditionalGridLengthStarConverter.ConvertBack(object value, Type targetType, object Parameter, CultureInfo culture)' doesn't match implicitly implemented member 'object? IValueConverter.ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'parameter' of 'object ConditionalGridLengthStarConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture)' doesn't match implicitly implemented member 'object? IValueConverter.Convert(object? value, Type targetType, object? parameter, CultureInfo culture)' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' of 'object ConditionalGridLengthStarConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture)' doesn't match implicitly implemented member 'object? IValueConverter.Convert(object? value, Type targetType, object? parameter, CultureInfo culture)' (possibly because of nullability attributes).