<?php
/**
 * Interface HasRequirements.
 */

/**
 * Copyright 2021 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

declare(strict_types = 1);

namespace Google\Web_Stories\Infrastructure;

/**
 * Something that requires other services to be registered before it can be registered.
 *
 * A class marked as having requirements can return the list of services it requires
 * to be available before it can be registered.
 *
 * @internal
 *
 * @since 1.10.0
 */
interface HasRequirements {

	/**
	 * Get the list of service IDs required for this service to be registered.
	 *
	 * @since 1.11.0
	 *
	 * @return string[] List of required services.
	 */
	public static function get_requirements(): array;
}
