public function getSupportedMimes()
    {
        if ($this->mimes) {
            return $this->mimes;
        }

        $response = $this->get(
            'mime-types',
            $this->getGuzzleOptions([
                'headers' => [
                    'Accept' => 'application/json',
                ],
            ])
        );

        return $this->mimes = Convert::json2array($response->getBody());
    }