public static EntityType ToEntityType(this AppType appType)
        {
            var entityType = new EntityType()
            {
                UniqueFileName   = appType.UniqueFileName.Value,
                OriginalFileName = appType.OriginalFileName.Value,
            };

            return(entityType);
        }
        public static AppType ToAppType(this EntityType entityType)
        {
            var appType = new AppType()
            {
                UniqueFileName   = FileName.New(entityType.UniqueFileName),
                OriginalFileName = FileName.New(entityType.OriginalFileName),
            };

            return(appType);
        }