code: private <T extends EventHandler<?>> void copyEventHandler(
        final Injector runtimeInjector, final Class<? extends Name<T>> param) throws InjectionException {
      runtimeInjector.bindVolatileParameter(param, this.originalInjector.getNamedInstance(param));
    }
docs: Copy event handler from current class configuration into runtime injector.
  This is a helper method called from initializeInjector() only.
  @param runtimeInjector Runtime injector to copy event handler to.
  @param param Class that identifies the event handler parameter.
  @param <T> Type of the event handler.
  @throws InjectionException If configuration error occurs.