<?php /** * Vonage Client Library for PHP * * @copyright Copyright (c) 2016-2020 Vonage, Inc. (http://vonage.com) * @license https://github.com/Vonage/vonage-php-sdk-core/blob/master/LICENSE.txt Apache License 2.0 */ declare(strict_types=1); namespace Vonage\Messages\Channel; interface Message { public function toArray(): array; public function getTo(): string; public function setTo(string $to): void; public function getFrom(): string; public function setFrom(string $from): void; public function getClientRef(): ?string; public function getChannel(): string; public function getSubType(): string; public function setClientRef(string $clientRef): void; /** * All message types have shared outputs required by the endpoint. * Child classes are required to call this before assembling their * own specific output * * @return array */ public function getBaseMessageUniversalOutputArray(): array; }