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

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