Prado\Data\SqlMap\Configuration\TResultProperty::__sleep PHP Метод

    public function __sleep()
    {
        $exprops = array();
        $cn = 'TResultProperty';
        if ($this->_nullValue === null) {
            $exprops[] = "{$cn}_nullValue";
        }
        if ($this->_propertyName === null) {
            $exprops[] = "{$cn}_propertyNama";
        }
        if ($this->_columnName === null) {
            $exprops[] = "{$cn}_columnName";
        }
        if ($this->_columnIndex == -1) {
            $exprops[] = "{$cn}_columnIndex";
        }
        if ($this->_nestedResultMapName === null) {
            $exprops[] = "{$cn}_nestedResultMapName";
        }
        if ($this->_nestedResultMap === null) {
            $exprops[] = "{$cn}_nestedResultMap";
        }
        if ($this->_valueType === null) {
            $exprops[] = "{$cn}_valueType";
        }
        if ($this->_typeHandler === null) {
            $exprops[] = "{$cn}_typeHandler";
        }
        if ($this->_isLazyLoad === false) {
            $exprops[] = "{$cn}_isLazyLoad";
        }
        if ($this->_select === null) {
            $exprops[] = "{$cn}_select";
        }
        return array_diff(parent::__sleep(), $exprops);
    }