/**
* Refresh token and get a new access token
*
* @return Token
*/
public function refreshToken()
{
$response = $this->client->post($this->config->url('token'), ['form_params' => ['grant_type' => 'refresh_token', 'client_id' => $this->config->clientId(), 'client_secret' => $this->config->clientSecret(), 'refresh_token' => $this->config->refreshToken()]]);
return new Token(array_merge($response, ['refresh_token' => $this->config->refreshToken()]));
}
