@Override
    public java.util.concurrent.Future<ListGatewaysResult> listGatewaysAsync() {

        return listGatewaysAsync(new ListGatewaysRequest());
    }
Simplified method form for invoking the ListGateways operation.

@see #listGatewaysAsync(ListGatewaysRequest)
aws-java-sdk-storagegateway/src/main/java/com/amazonaws/services/storagegateway/AbstractAWSStorageGatewayAsync.java