code: public <E> void dispatchEvent (Signal<E> signal, E event) {
      try {
        signal.emit(event);
      } catch (Throwable cause) {
        reportError("Event dispatch failure", cause);
      }
    }
docs: Dispatches {@code event} on {@code signal} and catches any error that propagates out of the
  event dispatch, reporting it via {@link #reportError}.