<?php

namespace Drupal\Core\Cache;

/**
 * @phpstan-type CacheObject object{data: mixed, created: int, tags: string[], valid: bool, expire: int, checksum: string, serialized: int}
 */
interface CacheBackendInterface {

    /**
     * @return CacheObject|false
     */
    public function get(string $cid, bool $allow_invalid = FALSE);

    /**
     * @param string[] $cids
     * @return CacheObject[]
     */
    public function getMultiple(array &$cids, bool $allow_invalid = FALSE): array;
}