@Override
    public java.util.concurrent.Future<ListGroupsResult> listGroupsAsync() {

        return listGroupsAsync(new ListGroupsRequest());
    }
Simplified method form for invoking the ListGroups operation.

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