getYandexDeviceIdHash static method
Implementation
static Future<String> getYandexDeviceIdHash() async {
  if (_deviceIdHashCash != null) return _deviceIdHashCash!;
  final startupParams = await m.AppMetrica.requestStartupParams([m.AppMetricaStartupParams.deviceIdHashKey]);
  if (startupParams.result?.deviceIdHash == null) return '';
  _deviceIdHashCash = startupParams.result!.deviceIdHash!;
  Fimber.d('yandexDeviceIdHash=$_deviceIdHashCash');
  return _deviceIdHashCash!;
}