public function __construct($client, $uri)
 {
     $this->instance_name = 'Services_Twilio_Rest_Pricing_PhoneNumberCountry';
     parent::__construct($client, $uri);
 }
 public function __construct($client, $uri)
 {
     $this->instance_name = "Services_Twilio_Rest_Pricing_MessagingCountry";
     parent::__construct($client, $uri);
 }