private void updateLastRefreshTime(){
  this.lastRefreshTime=System.currentTimeMillis();
  LOGGER.debug("Updated last refresh time. lastPropertiesRefreshTime={}",lastRefreshTime);
}

private void updateLastRefreshTime ( ) { this . lastRefreshTime = System . currentTimeMillis ( ) ; LOGGER . debug ( "Updated last refresh time. lastPropertiesRefreshTime={}" , lastRefreshTime ) ; }
updates the last refresh time to the current time .
