* @param $className Name of the class
* @return void
*/
- protected function __construct ($className) {
+ protected function __construct (string $className) {
// Call parent constructor
parent::__construct($className);
}
* @param $stateName Name of this state in a printable maner
* @return void
*/
- protected final function setStateName ($stateName) {
+ protected final function setStateName (string $stateName) {
$this->stateName = $stateName;
}