CacheDecoratorInterface.php

<?php

namespace Drupal\Core\CacheDecorator;

@trigger_error('The ' . __NAMESPACE__ . '\\CacheDecoratorInterface is deprecated in drupal:10.2.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3398182', E_USER_DEPRECATED);

/**
 * Defines an interface for cache decorator implementations.
 *
 * @deprecated in drupal:10.2.0 and is removed from drupal:11.0.0.
 *  There is no replacement.
 *
 * @see https://www.drupal.org/node/3398182
 */
interface CacheDecoratorInterface {
    
    /**
     * Specify the key to use when writing the cache.
     */
    public function setCacheKey($key);
    
    /**
     * Write the cache.
     */
    public function writeCache();

}