val left = EventRecorder(enforceOrder = false)
    val right = EventRecorder(enforceOrder = false)
    val composite = left.eventListener + right.eventListener

    for (method in EventListener::class.java.declaredMethods) {
      if (method.name == "plus") continue

      val args =
        method.parameters
          .map { sampleValues[it.type] ?: error("no sample value for ${it.type}") }
          .toTypedArray()