public AsyncValueResolver(IAsyncValueResolver <TSource, TDestination, TMember> resolver, MemberInfo member)
 {
     _resolver = resolver;
     _setter   = new Lazy <Action <TDestination, TMember> >(member.CreateSetter <TDestination, TMember>, true);
 }
 public void MapFrom(IAsyncValueResolver <TSource, TDestination, TMember> resolver)
 {
     _configuration.MapFrom(new AsyncValueResolver(resolver, _configuration.DestinationMember));
 }