code: @Deprecated
    public static void reportMessage(final String message, final String level, final Map<String, String> params) {
      ensureInit(new Runnable() {
        @Override
        public void run() {
          notifier.log(message, params != null ? Collections.<String, Object>unmodifiableMap(params) : null, Level.lookupByName(level));
        }
      });
    }
docs: Report a message to Rollbar, specifying the level, and including extra data.
  
  @param message the message to send.
  @param level the severity level.
  @param params the extra data.