@Override
    public java.util.concurrent.Future<ListAccessKeysResult> listAccessKeysAsync(
            com.amazonaws.handlers.AsyncHandler<ListAccessKeysRequest, ListAccessKeysResult> asyncHandler) {

        return listAccessKeysAsync(new ListAccessKeysRequest(), asyncHandler);
    }
Simplified method form for invoking the ListAccessKeys operation with an AsyncHandler.

@see #listAccessKeysAsync(ListAccessKeysRequest, com.amazonaws.handlers.AsyncHandler)
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/AmazonIdentityManagementAsyncClient.java