code: @Override
      public long getDeliveryDelay() {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(tc, "getDeliveryDelay");
  
          long deliveryDelay = getMessageItem().getDeliveryDelay();
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(tc, "getDeliveryDelay", new Long(deliveryDelay));
  
          return deliveryDelay;
      }
docs: @see com.ibm.ws.sib.msgstore.AbstractItem#getDeliveryDelay()
  
  Return the maximum time this reference should be in locked
  state before its unlocked for consumption,i.e message will
  be available for consumption
  after getDeliveryDelay() time
  
  The delivery Delay of a message reference is always the same as its
  referenced item.