listOfferingPromotions method
Returns a list of offering promotions. Each offering promotion record
contains the ID and description of the promotion. The API returns a
NotEligible error if the caller is not permitted to invoke
the operation. Contact aws-devicefarm-support@amazon.com
if you must be able to invoke this operation.
May throw ArgumentException. May throw NotFoundException. May throw NotEligibleException. May throw LimitExceededException. May throw ServiceAccountException.
Parameter nextToken :
An identifier that was returned from the previous call to this operation,
which can be used to return the next set of items in the list.
Implementation
Future<ListOfferingPromotionsResult> listOfferingPromotions({
  String? nextToken,
}) async {
  _s.validateStringLength(
    'nextToken',
    nextToken,
    4,
    1024,
  );
  final headers = <String, String>{
    'Content-Type': 'application/x-amz-json-1.1',
    'X-Amz-Target': 'DeviceFarm_20150623.ListOfferingPromotions'
  };
  final jsonResponse = await _protocol.send(
    method: 'POST',
    requestUri: '/',
    exceptionFnMap: _exceptionFns,
    // TODO queryParams
    headers: headers,
    payload: {
      if (nextToken != null) 'nextToken': nextToken,
    },
  );
  return ListOfferingPromotionsResult.fromJson(jsonResponse.body);
}