public static ClassBuilder Get(string className)
        {
            if (string.IsNullOrWhiteSpace(className))
            {
                return(null);
            }

            ClassBuilder cb;

            if (AllClasses.TryGetValue(className, out cb))
            {
                return(cb);
            }

            if (!AddToDictionary)
            {
                className = className.Split(new char[] { '.' }).Last();
                foreach (var kv in AllClasses)
                {
                    string key = kv.Key.Split(new char[] { '.' }).Last();
                    if (key == className)
                    {
                        return(kv.Value);
                    }
                }
                return(null);
            }

            cb = new ClassBuilder(className);
            AllClasses[className] = cb;
            return(cb);
        }