code: public FASPConnectionInfo getFaspConnectionInfo(String bucketName) {
  		log.trace("AsperaTransferManager.getFaspConnectionInfo >> start " + System.nanoTime());
  		FASPConnectionInfo faspConnectionInfo = akCache.get(bucketName);
  
  		if (null == faspConnectionInfo) {
  
  			log.trace("AsperaTransferManager.getFaspConnectionInfo >> retrieve from COS " + System.nanoTime());
  			faspConnectionInfo = s3Client.getBucketFaspConnectionInfo(bucketName);
  			log.trace("AsperaTransferManager.getFaspConnectionInfo << retrieve from COS " + System.nanoTime());
  
  			if (null == faspConnectionInfo) {
  				throw new SdkClientException("Failed to retrieve faspConnectionInfo for bucket: " + bucketName);
  			}
  
  			akCache.put(bucketName, faspConnectionInfo);
  		}
  
  		log.trace("AsperaTransferManager.getFaspConnectionInfo << end " + System.nanoTime());
  		return faspConnectionInfo;
  	}
docs: Check the LRU cache to see if the Aspera Key has already been retrieved for
  this bucket. If it has, return it, else call onto the s3Client to get the
  FASPConnectionInfo for the bucket name
  
  @param bucketName
  @return