protected function decoded()
	{
		if ($this->json === null) {
			/** @var \Guzzle\Http\Message\Header $contentType */
			$contentType = (string)$this->response->getHeader('content-type');
			if ($contentType === 'application/json')
				$this->json = json_decode($this->response->getBody(true));
		}

		return $this->json;
	}