protected HtmlResponseAttachmentsProcessor::setHeaders(HtmlResponse $response, array $headers)
Sets headers on a response object.
Parameters
\Drupal\Core\Render\HtmlResponse $response: The HTML response to update.
array $headers: The headers to set, as an array. The items in this array should be as follows:
The header name. The header value. (optional) Whether to replace a current value with the new one, or add it to the others. If the value is not replaced, it will be appended, resulting in a