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

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