public Requirement <TModelData> AddRequirement(RequirementPredicate <TModelData> handler)
{
var req = new Requirement <TModelData>(handler);
_requirements.Add(req);
return(req);
}
public Requirement(RequirementPredicate <TModelData> predicate)
{
Predicate = predicate ?? throw new ArgumentNullException(nameof(predicate));
}
