public void FieldWrite(string arg)
        {
            // ReSharper disable once UseObjectOrCollectionInitializer
            var cl = new FieldAccessClass("notnull");

            cl.FieldToWrite = arg;
        }
        public string FieldAccess(string arg)
        {
            var cl = new FieldAccessClass(arg);

            return(cl.FieldToRead);
        }