@Override
    public java.util.concurrent.Future<ListVirtualMFADevicesResult> listVirtualMFADevicesAsync() {

        return listVirtualMFADevicesAsync(new ListVirtualMFADevicesRequest());
    }
Simplified method form for invoking the ListVirtualMFADevices operation.

@see #listVirtualMFADevicesAsync(ListVirtualMFADevicesRequest)
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/AmazonIdentityManagementAsyncClient.java