private function extractHeader(
        $name,
        Shape $shape,
        ResponseInterface $response,
        &$result
    ) {
        $value = $response->getHeaderLine($shape['locationName'] ?: $name);

        switch ($shape->getType()) {
            case 'float':
            case 'double':
                $value = (float) $value;
                break;
            case 'long':
                $value = (int) $value;
                break;
            case 'boolean':
                $value = filter_var($value, FILTER_VALIDATE_BOOLEAN);
                break;
            case 'blob':
                $value = base64_decode($value);
                break;
            case 'timestamp':
                try {
                    if (!empty($shape['timestampFormat'])
                        && $shape['timestampFormat'] === 'unixTimestamp') {
                        $value = DateTimeResult::fromEpoch($value);
                    }
                    $value = new DateTimeResult($value);
                    break;
                } catch (\Exception $e) {
                    // If the value cannot be parsed, then do not add it to the
                    // output structure.
                    return;
                }
            case 'string':
                if ($shape['jsonvalue']) {
                    $value = $this->parseJson(base64_decode($value), $response);
                }
                break;
        }

        $result[$name] = $value;
    }