public static ICollection <IReference> MostSpecificRefinement(this IClass scope, IReference reference)
{
var decompositions = scope.Decompose(reference);
var result = new List <IReference>();
foreach (var att in decompositions)
{
if (!decompositions.Any(a => a.Refines == att))
{
result.Add(att);
}
}
return(result);
}