@Override
    protected AWSStorageGatewayAsync build(AwsAsyncClientParams params) {
        return new AWSStorageGatewayAsyncClient(params);
    }
Construct an asynchronous implementation of AWSStorageGatewayAsync using the current builder configuration.

@param params
       Current builder configuration represented as a parameter object.
@return Fully configured implementation of AWSStorageGatewayAsync.
aws-java-sdk-storagegateway/src/main/java/com/amazonaws/services/storagegateway/AWSStorageGatewayAsyncClientBuilder.java