code: @Override
      public void setHiddenExpiryTime(long expiryTime)
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              SibTr.entry(tc, "setHiddenExpiryTime", Long.valueOf(expiryTime));
          }
          hiddenExpiryTime = expiryTime;
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              SibTr.exit(tc, "setHiddenExpiryTime");
          }
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.sib.processor.impl.interfaces.SIMPMessage#setHiddenExpiryTime(long)