62     public function __construct($lastName, $firstName, $birthday, $minimumAge) {
    63         $this->setLastName($lastName);
    64         $this->setFirstName($firstName);
    65         $this->setBirthday($birthday);
    66         $this->setMinimumAge($minimumAge);
    73         unset($this->lastName);
    74         unset($this->firstName);
    75         unset($this->birthday);
    76         unset($this->minimumAge);
    85         return $this->lastName;
    93     private function setLastName($lastName) {
    94         $this->lastName = $lastName;
   103         return $this->firstName;
   111     private function setFirstName($firstName) {
   112         $this->firstName = $firstName;
   121         return $this->birthday;
   129     private function setBirthday($birthday) {
   130         $this->birthday = $birthday;
   139         return $this->minimumAge;
   147     private function setMinimumAge($minimumAge) {
   148         $this->minimumAge = $minimumAge;
   159         trigger_error(
'[DHL-PHP-SDK]: Version 1 Methods are deprecated and will removed soon (Called method ' . __METHOD__ . 
')!', E_USER_DEPRECATED);
   160         trigger_error(
'[DHL-PHP-SDK]: Called Version 1 Method: ' . __METHOD__ . 
' is incomplete (does nothing)!', E_USER_WARNING);
   171         $class = 
new StdClass;
 
__construct($lastName, $firstName, $birthday, $minimumAge)