code: @Override
      public <T extends Throwable> T emit(T throwable, String message, long sequence) {
          if (_broadcaster != null) _broadcaster.sendNotification(new Notification(
              Level.WARNING.toString(),
              _name != null ? _name : this,
              sequence,
              message == null ? Throwables.getFullMessage(throwable) : message + ": " + Throwables.getFullMessage(throwable)
          ));
          return throwable;
      }
docs: Emits an alert for a caught Throwable through this manageable.