@Override
    public java.util.concurrent.Future<GetCampaignResult> getCampaignAsync(GetCampaignRequest request) {

        return getCampaignAsync(request, null);
    }
Abstract implementation of {@code AWSIoTFleetWiseAsync}. Convenient method forms pass through to the corresponding
overload that takes a request object and an {@code AsyncHandler}, which throws an
{@code UnsupportedOperationException}.
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/AbstractAWSIoTFleetWiseAsync.java