RingBufferLogEvent evt = new RingBufferLogEvent();
String loggerName = "logger.name";
Marker marker = MarkerManager.getMarker("marked man");
String fqcn = "f.q.c.n";
Level level = Level.TRACE;
Message data = new SimpleMessage("message");
Throwable t = new InternalError("not a real error");
Map<String, String> map = new HashMap<String, String>();
map.put("key", "value");
ContextStack contextStack = new MutableThreadContextStack(Arrays.asList("a", "b"));
String threadName = "main";