code: private long updateMessageWaitTime() {
  		// Store in the message the amount of time it was on the queue
  		long timeNow = java.lang.System.currentTimeMillis();
  		long latestWaitTimeUpdate = calculateWaitTimeUpdate(timeNow);
  		long messageWaitTime = latestWaitTimeUpdate
  				+ _js_messageWaitTime.longValue();
  
  		return messageWaitTime;
  	}
docs: Update the message wait time
  
  @return