GenericLinkPropertyModel.cs

public class GenericLinkPropertyModel<T> : PropertyModel<T, PropertyLinkData<T>>, IExpandableProperty<T> where T: LinkData, new()
{
    private readonly IUrlResolver _urlResolver;

    public GenericLinkPropertyModel(PropertyLinkData<T> propertyLinkData, IUrlResolver urlResolver) : base(propertyLinkData)
    {
        _urlResolver = urlResolver;
        Value = GetValue(propertyLinkData?.Link);
        ExpandedValue = Value;
    }

    private T GetValue(T link)
    {
        if (link == null) return null;
        link.Href = _urlResolver.GetUrl(link.GetMappedHref());
        return link;
    }

    public void Expand(CultureInfo language)
    {
    }

    public T ExpandedValue { get; set; }
}

GenericLinksConverterProvider.cs

public class GenericLinksConverterProvider : IPropertyConverterProvider
{
    private readonly IServiceProvider _serviceProvider;

    public GenericLinksConverterProvider(IServiceProvider serviceProvider)
    {
        _serviceProvider = serviceProvider;
    }
    
    public IPropertyConverter Resolve(PropertyData propertyData)
    {
        if (!typeof (LinkData).IsAssignableFrom(propertyData.PropertyValueType)
            || !typeof(PropertyLinkData<>).MakeGenericType(propertyData.PropertyValueType).IsAssignableFrom(propertyData.GetOriginalType()))
        {
            return null;
        }

        var converter = typeof(PropertyGenericLinkConverter<>).MakeGenericType(propertyData.PropertyValueType);
        return ActivatorUtilities.CreateInstance(_serviceProvider, converter) as IPropertyConverter;
    }

    public int SortOrder => 100;
}

PropertyGenericLinkConverter.cs

public class PropertyGenericLinkConverter<T> : IPropertyConverter where T: LinkData, new()
{
    private readonly IUrlResolver _urlResolver;

    public PropertyGenericLinkConverter(IUrlResolver urlResolver)
    {
        _urlResolver = urlResolver;
    }
    
    public IPropertyModel Convert(PropertyData propertyData, ConverterContext contentMappingContext)
    {
        var propertyModel = new GenericLinkPropertyModel<T>(propertyData as PropertyLinkData<T>, _urlResolver);
        return propertyModel;
    }
}