src/ProblemDetails.php
public function send(ResponseInterface $response): ResponseInterface
    {
        $response->getBody()->write(json_encode($this->toArray()));
        return $response->withHeader('Content-Type', self::MIME_TYPE_JSON);
    }
public function send(ResponseInterface $response): ResponseInterface
    {
        $response->getBody()->write(json_encode($this->toArray()));
        return $response->withHeader('Content-Type', self::MIME_TYPE_JSON);
    }
Adds this problem detail to a PSR-7 HTTP response.

@param ResponseInterface $response The HTTP response
@return ResponseInterface The new response