getJson() public static method

Gets Json String of Object Address
public static getJson ( ) : string
return string
 /**
  * Gets Json String of Object BillingInfo
  * @return string
  */
 public static function getJson()
 {
     return '{"email":"TestSample","first_name":"TestSample","last_name":"TestSample","business_name":"TestSample","address":' . InvoiceAddressTest::getJson() . ',"language":"TestSample","additional_info":"TestSample","notification_channel":"TestSample","phone":' . PhoneTest::getJson() . '}';
 }