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<?php

namespace Kanboard\Core\Cache;

/**
 * Interface CacheInterface
 *
 * @package Kanboard\Core\Cache
 * @author  Frederic Guillot
 */
interface CacheInterface
{
    /**
     * Store an item in the cache
     *
     * @access public
     * @param  string  $key
     * @param  mixed   $value
     */
    public function set($key, $value);

    /**
     * Retrieve an item from the cache by key
     *
     * @access public
     * @param  string  $key
     * @return mixed            Null when not found, cached value otherwise
     */
    public function get($key);

    /**
     * Remove all items from the cache
     *
     * @access public
     */
    public function flush();

    /**
     * Remove an item from the cache
     *
     * @access public
     * @param  string  $key
     */
    public function remove($key);
}