@Override
    protected AWSB2BiAsync build(AwsAsyncClientParams params) {
        return new AWSB2BiAsyncClient(params);
    }
Construct an asynchronous implementation of AWSB2BiAsync using the current builder configuration.

@param params
       Current builder configuration represented as a parameter object.
@return Fully configured implementation of AWSB2BiAsync.
aws-java-sdk-b2bi/src/main/java/com/amazonaws/services/b2bi/AWSB2BiAsyncClientBuilder.java