{"wait", required_argument, 0, 'w'},
{"sync-after-first-event", required_argument, 0, 'a'},
{"sync-before-last-event", required_argument, 0, 'b'},
{"wait", required_argument, 0, 'w'},
{"sync-after-first-event", required_argument, 0, 'a'},
{"sync-before-last-event", required_argument, 0, 'b'},