@Override
    public java.util.concurrent.Future<GetStageResult> getStageAsync(GetStageRequest request) {

        return getStageAsync(request, null);
    }
Returns the executor service used by this client to execute async requests.

@return The executor service used by this client to execute async requests.
aws-java-sdk-apigatewayv2/src/main/java/com/amazonaws/services/apigatewayv2/AmazonApiGatewayV2AsyncClient.java