/**
* @param string $valueSet
* @param mixed $data
* @param bool|false $null
* @return StringS
*/
public static function StringS($valueSet = null, $data = null, $null = false)
{
$string = new StringS();
$string->setValueSet($valueSet);
$string->setData($data);
$string->setNull($null);
return $string;
}
