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

@param params
       Current builder configuration represented as a parameter object.
@return Fully configured implementation of AmazonDynamoDBStreamsAsync.
aws-java-sdk-dynamodb/src/main/java/com/amazonaws/services/dynamodbv2/AmazonDynamoDBStreamsAsyncClientBuilder.java