/**
* Gets Json String of Object Plan
* @return string
*/
public static function getJson()
{
return '{"id":"TestSample","name":"TestSample","description":"TestSample","type":"TestSample","state":"TestSample","create_time":"TestSample","update_time":"TestSample","payment_definitions":' . PaymentDefinitionTest::getJson() . ',"terms":' . TermsTest::getJson() . ',"merchant_preferences":' . MerchantPreferencesTest::getJson() . ',"links":' . LinksTest::getJson() . '}';
}