*
* @param timestamp the simulation timestamp up to which the events will be processed
* @param stopMillis the System.currentTimeMillis() when simulation definitely needs to stop. A value of -1 means no timeout.
*
* @param timestamp the simulation timestamp up to which the events will be processed
* @param stopMillis the System.currentTimeMillis() when simulation definitely needs to stop. A value of -1 means no timeout.