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

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