code: public UnregisterDeviceResponseEnvelope unregisterDevice(String deviceId) throws ApiException {
          ApiResponse<UnregisterDeviceResponseEnvelope> resp = unregisterDeviceWithHttpInfo(deviceId);
          return resp.getData();
      }
docs: Unregister Device
  This call clears any associations from the secure device registration.
  @param deviceId Device ID. (required)
  @return UnregisterDeviceResponseEnvelope
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body