nullable
fun <T> JsonObject?.nullableJsonArrayProperty(key: String? = null, default: JsonArrayDefaultSelector<T?> = ::jsonArrayDefaultSelector, converter: JsonElementConverter<T?>): JsonArrayProperty<T?>
fun <T> JsonModel?.nullableJsonArrayProperty(key: String? = null, default: JsonArrayDefaultSelector<T?> = ::jsonArrayDefaultSelector, converter: JsonElementConverter<T?>): JsonArrayProperty<T?>