private IValue BuffSourceIsAny(Entity target, string buffIdentity, IEnumerable <Entity> sources)
{
var statValues = sources
.Select(s => _statFactory.BuffSourceIs(s, target, buffIdentity))
.Select(s => new StatValue(s))
.ToList();
var count = new CountingValue(statValues);
return(new ConditionalValue(c => count.Calculate(c) > 0, $"{count} > 0"));
}
