https://www.lojaintt.com.br/common/js/storage/interface/storage-service-interface.js?v=1790278114

1/**
2 * Interface for classes that represents a Storage Service
3 * @interface
4 */
5var StorageServiceInterface = function () {
6	/**
7	 * Return true if key item exists, otherwise, false
8	 * @param {string} key
9	 * @returns {boolean}
10	 */
11	this.has = function (key) {};
12	
13	/**
14	 * Return the stored item if exists, otherwise, null
15	 * @param {string} key
16	 * @returns {(object|null)} Object stored or null
17	 */
18	this.fetch = function (key) {};
19
20	/**
21	 * Return true if the item was stored, otherwise, false
22	 * @param {string} key
23	 * @param {*} value - Stored value
24	 * @param {(number|null)} [expiration = null] - Expiration time(miliseconds)
25	 * @returns {boolean}
26	 */
27	this.save = function (key, value, expiration) {
28		expiration = expiration || null;
29	};
30
31	/**
32	 * Return true if the item was deleted, otherwise, false
33	 * @param {string} key
34	 * @returns {boolean}
35	 */
36	this.remove = function (key) {};
37}