private AmazonSQS resolveSQSClient() {
        return sqsClient == null ? AmazonSQSClientBuilder.defaultClient() : sqsClient;
    }
Set the client for working with Amazon SNS when polling for the archive retrieval job status.

@param snsClient The SNS client.

@return This object for chaining.
aws-java-sdk-glacier/src/main/java/com/amazonaws/services/glacier/transfer/ArchiveTransferManagerBuilder.java