private List<RegionModelData> EvaluateRegions(List<RegionModelData> regionModelSet, IDictionary<string, string> claims)
        {
            var evaluated = new List<RegionModelData>();

            if(regionModelSet != null)
            {
                foreach (var regionModel in regionModelSet)
                {
                    var entities = EvaluateEntities(regionModel.Entities, claims);
                    var regions = EvaluateRegions(regionModel.Regions, claims);

                    if (entities.Any() || regions.Any())
                    {
                        regionModel.Entities = entities;
                        regionModel.Regions = regions;

                        evaluated.Add(regionModel);
                    }
                }
            }

            return evaluated;
        }