Raml\Validator\ResponseValidator::assertValidHeaders PHP Метод

    private function assertValidHeaders(RequestInterface $request, ResponseInterface $response)
    {
        $method = $request->getMethod();
        $path = $request->getUri()->getPath();
        $statusCode = $response->getStatusCode();
        $schemaHeaders = $this->schemaHelper->getResponseHeaders($method, $path, $statusCode);
        /** @var NamedParameter $schemaHeader */
        foreach ($schemaHeaders as $schemaHeader) {
            $key = $schemaHeader->getKey();
            /** @var string[] $header */
            foreach ($response->getHeader($key) as $header) {
                foreach ($header as $headerValue) {
                    try {
                        $schemaHeader->validate($headerValue);
                    } catch (ValidationException $exception) {
                        $message = sprintf('Response header %s with value "%s" for %s %s ' . 'with status code %s does not match schema: %s', $key, $headerValue, strtoupper($method), $path, $statusCode, $exception->getMessage());
                        throw new ValidatorResponseException($message, 0, $exception);
                    }
                }
            }
        }
    }