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

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