public override string ToString()
        {
            StringBuilder __sb    = new StringBuilder("TDDIAbstractFunction(");
            bool          __first = true;

            if (UsedFunction != null && __isset.UsedFunction)
            {
                if (!__first)
                {
                    __sb.Append(", ");
                }
                __first = false;
                __sb.Append("UsedFunction: ");
                __sb.Append(UsedFunction == null ? "<null>" : UsedFunction.ToString());
            }
            if (__isset.UsedFunctionType)
            {
                if (!__first)
                {
                    __sb.Append(", ");
                }
                __first = false;
                __sb.Append("UsedFunctionType: ");
                __sb.Append(UsedFunctionType);
            }
            __sb.Append(")");
            return(__sb.ToString());
        }