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<?phpnamespace Acme\Package;
 
 use eMacros\Package\Package;
 
 class CustomPackage extends Package {
 public function __construct() {
 //debemos especificar un ID de paquete
 parent::__construct('Custom');
 
 $this['MY_CONSTANT'] = 42;
 $this['message'] = "this is a custom package";
 }
 }
 ?>
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