configure() protected méthode

configure.
protected configure ( )
 /**
  * configure.
  */
 protected function configure()
 {
     $this->setName('elcodi:locations:drop')->setDescription('Drop a set of countries');
     parent::configure();
 }
 /**
  * configure.
  */
 protected function configure()
 {
     $this->setName('elcodi:locations:load')->setDescription('Load a set of countries from an external repository');
     parent::configure();
 }
 /**
  * configure.
  */
 protected function configure()
 {
     $this->setName('elcodi:locations:populate')->setDescription('Populates a set of countries');
     parent::configure();
 }