protected override void Configure(IObjectTypeDescriptor <ContestComboDetail> descriptor)
{
descriptor.Field(x => x.UseBefore)
.Description("A list of moves to use before this move.")
.Type <ListType <MoveType> >()
.Resolver((ctx, token) =>
{
var resolver = ctx.Service <MoveResolver>();
return(MonadMaybe.Lift(ctx.Parent <ContestComboDetail>())
.Select(x => x.UseBefore)
.Select(moves => moves.Select(move => resolver.GetMoveAsync(move.Name, token)))
.Match(Task.WhenAll, Task.FromResult <Move[]>(default)));
