}
public void refreshAccessToken() {
logger.debug("Refreshing access token.");
final RefreshTokenRequest request =
new RefreshTokenRequest(this.clientId, this.clientSecret, this.refreshToken);
logger.debug("Request: {}", request);
final RefreshTokenResponse response = request.execute();
logger.debug("Response: {}", response);
this.accessToken = response.getAccessToken();
deviceListRequest = new DeviceListRequest(this.accessToken);