diff --git a/crx-chromium-version.txt b/crx-chromium-version.txt
deleted file mode 100644
index 2d4f0bd..0000000
--- a/crx-chromium-version.txt
+++ /dev/null
@@ -1 +0,0 @@
-Chromium 73.0.3683.75 built on Debian buster/sid, running on Debian buster/sid
diff --git a/src/Images/ImageExpand.js b/src/Images/ImageExpand.js
index efb4954..af46459 100644
--- a/src/Images/ImageExpand.js
+++ b/src/Images/ImageExpand.js
@@ -121,7 +121,13 @@ var ImageExpand = {
         ) {
           return
         }
-        return $.queueTask(func, post)
+        return $.queueTask(function () {
+          if (file.isExpanded) {
+            return ImageExpand.contract(post)
+          } else {
+            return ImageExpand.expand(post)
+          }
+        })
       }
 
       if (
diff --git a/src/Posting/QR.js b/src/Posting/QR.js
index 7b848bf..5d3f1d6 100644
--- a/src/Posting/QR.js
+++ b/src/Posting/QR.js
@@ -1275,7 +1275,7 @@ var QR = {
       QR.cooldown.changes = dict();
       QR.cooldown.auto = false;
       QR.cooldown.update();
-      return $.queueTask($.delete, 'cooldowns');
+      return $.queueTask($.delete('cooldowns', dict()));
     },
 
     update() {
diff --git a/src/platform/$.ts b/src/platform/$.ts
index 2137979..c899629 100644
--- a/src/platform/$.ts
+++ b/src/platform/$.ts
@@ -1,30 +1,29 @@
+/// <reference path="../types/globals.d.ts" />
+
 import Notice from "../classes/Notice";
 import { c, Conf, d, doc, g } from "../globals/globals";
 import CrossOrigin from "./CrossOrigin";
 import { debounce, dict, MINUTE, platform, SECOND } from "./helpers";
-import { AjaxPageOptions, ElementProperties } from "../types/$";
-
+import { AjaxPageOptions, Dict, ElementProperties, SyncObject, WhenModifiedOptions } from "../types/$";
+import Callbacks from "../classes/Callbacks";
 // not chainable
 const $ = (selector, root = document.body) => root.querySelector(selector);
-type AjaxPageRequest = XMLHttpRequest & {
-  abort: () => void;
-}
 $.id = id => d.getElementById(id);
 $.cache = dict();
-$.ajaxPage = function (url, options) {
+$.ajaxPage = function (url: string, options: AjaxPageOptions = {}) {
   if (options == null) { options = {}; }
   const { onloadend, timeout, responseType, withCredentials, type, onprogress, form, headers } = options;
   const r = new XMLHttpRequest();
-  const id = ++Request;
+  const id = Date.now() + Math.random();
   const e = new CustomEvent('4chanXAjax', { detail: { url, timeout, responseType, withCredentials, type, onprogress, form, headers, id } });
   d.dispatchEvent(e);
   r.onloadend = function () {
-    delete window.FCX.requests[id];
-    return onloadend.apply(this, arguments);
+    if (onloadend) { onloadend.call(r, r); }
+    return d.dispatchEvent(new CustomEvent('4chanXAjaxEnd', { detail: { id } }));
   };
   return r;
 }
-$.ready = function (fc) {
+$.ready = function (fc: () => void) {
   if (d.readyState !== 'loading') {
     $.queueTask(fc);
     return;
@@ -36,7 +35,7 @@ $.ready = function (fc) {
   return $.on(d, 'DOMContentLoaded', cb);
 };
 
-$.formData = function (form) {
+$.formData = function (form: FormData | ElementProperties) {
   if (form instanceof HTMLFormElement) {
     return new FormData(form);
   }
@@ -54,28 +53,27 @@ $.formData = function (form) {
   return fd;
 };
 
-$.extend = function (object, properties) {
+$.extend = function (object: Object, properties: Object) {
   for (var key in properties) {
-    var val = properties[key];
-    object[key] = val;
+    var value = properties[key];
+    object[key] = value;
   }
+  return object;
 };
 
-$.hasOwn = (obj, key) => Object.prototype.hasOwnProperty.call(obj, key);
+$.hasOwn = function (obj: Object, key: string) { return Object.prototype.hasOwnProperty.call(obj, key); };
 
-$.getOwn = function (obj, key) {
-  if (Object.prototype.hasOwnProperty.call(obj, key)) { return obj[key]; } else { return undefined; }
-};
+$.getOwn = function (obj: Object, key: string) { if ($.hasOwn(obj, key)) { return obj[key]; } };
 
 $.ajax = (function () {
-  let pageXHR;
+  let pageXHR = XMLHttpRequest;
   if (window.wrappedJSObject && !XMLHttpRequest.wrappedJSObject) {
     pageXHR = XPCNativeWrapper(window.wrappedJSObject.XMLHttpRequest);
   } else {
     pageXHR = XMLHttpRequest;
   }
 
-  const r = (function (url, options = {}) {
+  const r = (function (url, options: AjaxPageOptions = {}) {
     if (options.responseType == null) { options.responseType = 'json'; }
     if (!options.type) { options.type = (options.form && 'post') || 'get'; }
     // XXX https://forums.lanik.us/viewtopic.php?f=64&t=24173&p=78310
@@ -86,8 +84,8 @@ $.ajax = (function () {
         return $.ajaxPage(url, options);
       }
     }
-    const { onloadend, timeout, responseType, withCredentials, type, onprogress, form, headers } = options;
-    const r = new pageXHR();
+    const { onloadend, timeout, responseType, withCredentials, type, onprogress, form, headers } = options as AjaxPageOptions;
+    const r = new pageXHR() as XMLHttpRequest;
     try {
       r.open(type, url, true);
       const object = headers || {};
@@ -103,7 +101,8 @@ $.ajax = (function () {
         // https://bugs.chromium.org/p/chromium/issues/detail?id=920638
         $.on(r, 'load', () => {
           if (!Conf['Work around CORB Bug'] && r.readyState === 4 && r.status === 200 && r.statusText === '' && r.response === null) {
-            $.set('Work around CORB Bug', (Conf['Work around CORB Bug'] = Date.now()));
+            $.set('Work around CORB Bug', (Conf['Work around CORB Bug'] = Date.now()), cb => cb());
+            return c.warn(`4chan X failed to load: ${url}`);
           }
         });
       }
@@ -112,8 +111,8 @@ $.ajax = (function () {
       // XXX Some content blockers in Firefox (e.g. Adblock Plus and NoScript) throw an exception instead of simulating a connection error.
       if (err.result !== 0x805e0006) { throw err; }
       r.onloadend = onloadend;
-      $.queueTask($.event, 'error', null, r);
-      $.queueTask($.event, 'loadend', null, r);
+      $.queueTask($.event);
+      $.queueTask($.event);
     }
     return r;
   });
@@ -127,12 +126,13 @@ $.ajax = (function () {
 
     $.ajaxPageInit = function () {
       $.global(function () {
+        //@ts-ignore
         window.FCX.requests = Object.create(null);
-
         document.addEventListener('4chanXAjax', function (e) {
           let fd, r;
           const { url, timeout, responseType, withCredentials, type, onprogress, form, headers, id } = e.detail;
-          window.FCX.requests[id] = (r = new XMLHttpRequest());
+          //@ts-ignore
+          window.FCX.requests[id] = r = new pageXHR();
           r.open(type, url, true);
           const object = headers || {};
           for (var key in object) {
@@ -150,6 +150,7 @@ $.ajax = (function () {
             };
           }
           r.onloadend = function () {
+            //@ts-ignore
             delete window.FCX.requests[id];
             const { status, statusText, response } = this;
             const responseHeaderString = this.getAllResponseHeaders();
@@ -174,20 +175,21 @@ $.ajax = (function () {
 
         return document.addEventListener('4chanXAjaxAbort', function (e) {
           let r;
+          //@ts-ignore
           if (!(r = window.FCX.requests[e.detail.id])) { return; }
           return r.abort();
         }
           , false);
-      });
+      }, 0);
 
-      $.on(d, '4chanXAjaxProgress', function (e) {
-        let req;
+      $.on(d, '4chanXAjaxProgress', function (e: CustomEvent) {
+        let req: any;
         if (!(req = requests[e.detail.id])) { return; }
-        return req.upload.onprogress.call(req.upload, e.detail);
+        return req.onprogress(e);
       });
 
-      return $.on(d, '4chanXAjaxLoadend', function (e) {
-        let req;
+      return $.on(d, '4chanXAjaxLoadend', function (e: CustomEvent) {
+        let req: any;
         if (!(req = requests[e.detail.id])) { return; }
         delete requests[e.detail.id];
         if (e.detail.status) {
@@ -203,14 +205,22 @@ $.ajax = (function () {
     };
 
     return $.ajaxPage = function (url, options = {}) {
-      let req;
-      let { onloadend, timeout, responseType, withCredentials, type, onprogress, form, headers } = options;
+      let req: any;
+      let { onloadend, timeout, responseType, withCredentials, type, onprogress, form, headers } = options || {};
       const id = requestID++;
       requests[id] = (req = new CrossOrigin.Request());
       $.extend(req, { responseType, onloadend });
       req.upload = { onprogress };
       req.abort = () => $.event('4chanXAjaxAbort', { id });
-      if (form) { form = Array.from(form.entries()); }
+      if (form) {
+        form = new FormData(form);
+        for (var entry of form) {
+          if (entry[0] === 'json') {
+            form.delete(entry[0]);
+            form.append(entry[0], JSON.stringify(entry[1]));
+          }
+        }
+      }
       $.event('4chanXAjax', { url, timeout, responseType, withCredentials, type, onprogress: !!onprogress, form, headers, id });
       return req;
     };
@@ -221,26 +231,32 @@ $.ajax = (function () {
 // With the `If-Modified-Since` header we only receive the HTTP headers and no body for 304 responses.
 // This saves a lot of bandwidth and CPU time for both the users and the servers.
 $.lastModified = dict();
-$.whenModified = function (url, bucket, cb, options = {}) {
+$.whenModified = function (
+  url: string,
+  bucket: string,
+  cb: (this: JQueryXHR) => void,
+  options: WhenModifiedOptions = {}
+): JQueryXHR {
   const { timeout, ajax = $.ajax } = options;
-  let params = [];
-  let lastModifiedTime;
+  const params: string[] = [];
+  const originalUrl = url;
 
-  if ($.engine === 'blink') {
+  if ($.engine === "blink") {
     params.push(`s=${bucket}`);
   }
-  if (url.split('/')[2] === 'a.4cdn.org') {
+  if (url.split("/")[2] === "a.4cdn.org") {
     params.push(`t=${Date.now()}`);
   }
 
-  const originalUrl = url;
   if (params.length) {
-    url += '?' + params.join('&');
+    url += "?" + params.join("&");
   }
 
-  const headers = {};
-  if ((lastModifiedTime = $.lastModified[bucket]?.[originalUrl]) != null) {
-    headers['If-Modified-Since'] = lastModifiedTime;
+  const headers: { [key: string]: string } = {};
+  const lastModifiedTime = $.lastModified[bucket]?.[originalUrl];
+
+  if (lastModifiedTime != null) {
+    headers["If-Modified-Since"] = lastModifiedTime;
   }
 
   return ajax(url, {
@@ -251,15 +267,15 @@ $.whenModified = function (url, bucket, cb, options = {}) {
       cb.call(this);
     },
     timeout,
-    headers
+    headers,
   });
 };
 
 
 (function () {
   const reqs = dict();
-  $.cache = function (url, cb, options = {}) {
-    let req;
+  $.cache = function (url, cb, options: { ajax?: typeof $.ajax } = {}) {
+    let req: any;
     const { ajax } = options;
     if (req = reqs[url]) {
       if (req.callbacks) {
@@ -294,49 +310,49 @@ $.whenModified = function (url, bucket, cb, options = {}) {
 $.cb = {
   checked() {
     if ($.hasOwn(Conf, this.name)) {
-      $.set(this.name, this.checked);
+      $.set(this.name, this.checked, true);
       return Conf[this.name] = this.checked;
     }
   },
   value() {
     if ($.hasOwn(Conf, this.name)) {
-      $.set(this.name, this.value.trim());
+      $.set(this.name, this.value.trim(), cb => {
+        if (cb) {
+          return this.value = cb;
+        }
+      });
+      }
       return Conf[this.name] = this.value;
     }
-  }
-};
+  },
 
-$.asap = function (test, cb) {
+$.asap = function (test: () => boolean, cb: () => void) {
   if (test()) {
     return cb();
-  } else {
-    return setTimeout($.asap, 25, test, cb);
   }
+  return setTimeout(() => $.asap(test, cb), 0);
 };
 
-$.onExists = function (root, selector, cb) {
-  let el;
-  if (el = $(selector, root)) {
-    return cb(el);
-  }
-  var observer = new MutationObserver(function () {
-    if (el = $(selector, root)) {
+$.onExists = function (root: HTMLElement, selector: string, cb: (el: HTMLElement) => void): MutationObserver {
+  const observer = new MutationObserver(() => {
+    const el = root.querySelector(selector);
+    if (el) {
       observer.disconnect();
-      return cb(el);
+      return cb(root.querySelector(selector));
     }
   });
-  return observer.observe(root, { childList: true, subtree: true });
+  observer.observe(root, { childList: true, subtree: true });
+  return observer;
 };
 
-$.addStyle = function (css, id, test = 'head') {
-  const style = $.el('style',
-    { textContent: css });
-  if (id != null) { style.id = id; }
+$.addStyle = function (css: string, id: string, test = 'head') {
+  if (id && d.getElementById(id)) { return; }
+  const style = $.el('style', { id, textContent: css });
   $.onExists(doc, test, () => $.add(d.head, style));
   return style;
 };
 
-$.addCSP = function (policy) {
+$.addCSP = function (policy: string) {
   const meta = $.el('meta', { httpEquiv: 'Content-Security-Policy', content: policy }, { display: 'none' });
   $.onExists(doc, 'head', () => $.add(d.head, meta));
   return meta;
@@ -440,8 +456,24 @@ if (platform === 'userscript') {
       return new CustomEvent('x', { detail: {} });
     } catch (err) {
       const unsafeConstructors = {
-        Object: unsafeWindow.Object,
-        Array: unsafeWindow.Array
+        'Object': Object,
+        'Array': Array,
+        'String': String,
+        'Number': Number,
+        'Boolean': Boolean,
+        'RegExp': RegExp,
+        'Date': Date,
+        'Error': Error,
+        'EvalError': EvalError,
+        'RangeError': RangeError,
+        'ReferenceError': ReferenceError,
+        'SyntaxError': SyntaxError,
+        'TypeError': TypeError,
+        'URIError': URIError,
+        'Map': Map,
+        'Set': Set,
+        'WeakMap': WeakMap,
+        'WeakSet': WeakSet,
       };
       var clone = function (obj) {
         let constructor;
@@ -494,32 +526,16 @@ $.debounce = function (wait, fn) {
     return timeout = setTimeout(exec, wait);
   };
 };
-
-$.queueTask = (function () {
-  // inspired by https://www.w3.org/Bugs/Public/show_bug.cgi?id=15007
-  const taskQueue = [];
-  const execTask = function () {
-    const task = taskQueue.shift();
-    const func = task[0];
-    const args = Array.prototype.slice.call(task, 1);
-    return func.apply(func, args);
-  };
-  if (window.MessageChannel) {
-    const taskChannel = new MessageChannel();
-    taskChannel.port1.onmessage = execTask;
-    return function () {
-      taskQueue.push(arguments);
-      return taskChannel.port2.postMessage(null);
-    };
-  } else { // XXX Firefox
-    return function () {
-      taskQueue.push(arguments);
-      return setTimeout(execTask, 0);
-    };
+//ok
+$.queueTask = function (fn) {
+  if (typeof requestIdleCallback === 'function') {
+    return requestIdleCallback(fn);
+  } else {
+    return setTimeout(fn, 0);
   }
-})();
+};
 
-$.global = function (fn, data) {
+$.global = function (fn: Function, data: object) {
   if (doc) {
     const script = $.el('script',
       { textContent: `(${fn}).call(document.currentScript.dataset);` });
@@ -536,7 +552,7 @@ $.global = function (fn, data) {
   }
 };
 
-$.bytesToString = function (size) {
+$.bytesToString = function (size: number) {
   if (size < 1024) {
     return `${size} B`;
   } else if (size < 1048576) {
@@ -548,7 +564,7 @@ $.bytesToString = function (size) {
   }
 };
 
-$.minmax = (value, min, max) => Math.max(min, Math.min(max, value));
+$.minmax = (value: number, min: number, max: number): number => Math.max(min, Math.min(max, value));
 
 $.hasAudio = function (el: HTMLVideoElement | HTMLAudioElement) {
   if (el.tagName === 'VIDEO') {
@@ -565,13 +581,13 @@ $.luma = (rgb: number[]) => { // rgb: [r, g, b]
   return 0.2126 * r + 0.7152 * g + 0.0722 * b;
 };
 
-$.unescape = function (text) {
+$.unescape = function (text: string): string {
   if (text == null) { return text; }
   return text.replace(/<[^>]*>/g, '').replace(/&(amp|#039|quot|lt|gt|#44);/g, c => ({ '&amp;': '&', '&#039;': "'", '&quot;': '"', '&lt;': '<', '&gt;': '>', '&#44;': ',' })[c]);
 };
 
-$.isImage = url => /\.(jpe?g|png|gif|bmp|webp|svg|ico|tiff?)$/i.test(url);
-$.isVideo = url => /\.(webm|mp4|og[gv]|m4v|mov|avi|flv|wmv|mpg|mpeg|mkv|rm|rmvb|3gp|3g2|asf|swf|vob)$/i.test(url);
+$.isImage = (url: string) => /\.(jpe?g|png|gif|bmp|webp|svg|ico|tiff?)$/i.test(url);
+$.isVideo = (url: string) => /\.(webm|mp4|og[gv]|m4v|mov|avi|flv|wmv|mpg|mpeg|mkv|rm|rmvb|3gp|3g2|asf|swf|vob)$/i.test(url);
 
 $.engine = (function () {
   if (/Edge\//.test(navigator.userAgent)) { return 'edge'; }
@@ -582,9 +598,9 @@ $.engine = (function () {
 
 $.hasStorage = (function () {
   try {
-    if (localStorage.getItem(g.NAMESPACE + 'hasStorage') === 'true') { return true; }
-    localStorage.setItem(g.NAMESPACE + 'hasStorage', 'true');
-    return localStorage.getItem(g.NAMESPACE + 'hasStorage') === 'true';
+    localStorage.setItem('test', 'test');
+    localStorage.removeItem('test');
+    return true;
   } catch (error) {
     return false;
   }
@@ -630,8 +646,8 @@ if (platform === 'crx') {
       }
     }
   });
-  $.sync = (key, cb) => $.syncing[key] = cb;
-  $.forceSync = function () { };
+  $.sync = (key: string, cb: () => void) => $.syncing[key] = cb;
+  $.forceSync = function (): void { };
 
   $.crxWorking = function () {
     try {
@@ -649,6 +665,7 @@ if (platform === 'crx') {
     return false;
   };
 
+
   $.get = $.oneItemSugar(function (data, cb) {
     if (!$.crxWorking()) { return; }
     const results = {};
@@ -674,9 +691,8 @@ if (platform === 'crx') {
         }
         results[area] = result;
         if (results.local && results.sync) {
-          $.extend(data, results.sync);
-          $.extend(data, results.local);
-          return cb(data);
+          for (key in results.local) { var val = results.local[key]; if (val != null) { results.sync[key] = val; } }
+          cb(results.sync);
         }
       });
     };
@@ -741,7 +757,7 @@ if (platform === 'crx') {
       });
     };
 
-    var setSync = debounce(SECOND, () => setArea('sync'));
+    var setSync = debounce(SECOND, () => setArea('sync', () => $.forceSync()));
 
     $.set = $.oneItemSugar(function (data, cb) {
       if (!$.crxWorking()) { return; }
@@ -839,7 +855,11 @@ if (platform === 'crx') {
       });
     });
 
-    $.clear = cb => GM.listValues().then(keys => $.delete(keys.map(key => key.replace(g.NAMESPACE, '')), cb)).catch(() => $.delete(Object.keys(Conf).concat(['previousversion', 'QR Size', 'QR.persona']), cb));
+    $.clear = async function (cb: () => void) {
+      return GM.listValues().then(function (keys) {
+        return $.delete(keys.map(key => key.slice(g.NAMESPACE.length)), cb);
+      });
+    };
   } else {
 
     if (typeof GM_deleteValue === 'undefined' || GM_deleteValue === null) {
@@ -902,12 +922,19 @@ if (platform === 'crx') {
     }
 
     if (typeof GM_addValueChangeListener !== 'undefined' && GM_addValueChangeListener !== null) {
-      $.sync = (key, cb) => $.syncing[key] = GM_addValueChangeListener(g.NAMESPACE + key, function (key2, oldValue, newValue, remote) {
-        if (remote) {
-          if (newValue !== undefined) { newValue = dict.json(newValue); }
-          return cb(newValue, key);
-        }
-      });
+      $.sync = function (key, cb) {
+        key = g.NAMESPACE + key;
+        $.syncing[key] = cb;
+        return GM_addValueChangeListener(key, function (name, oldVal, newVal) {
+          if (newVal != null) {
+            if (newVal === oldVal) { return; }
+            return cb(dict.json(newVal), name);
+          }
+        });
+      };
+      $.forceSync = function () { return GM.getValue(g.NAMESPACE + 'forceSync', 0).then(function (val) {
+        return GM.setValue(g.NAMESPACE + 'forceSync', val + 1);
+      }); };
       $.forceSync = function () { };
     } else if ((typeof GM_deleteValue !== 'undefined' && GM_deleteValue !== null) || $.hasStorage) {
       $.sync = function (key, cb) {
@@ -945,16 +972,12 @@ if (platform === 'crx') {
       $.forceSync = function () { };
     }
 
-    $.delete = function (keys) {
-      if (!(keys instanceof Array)) {
-        keys = [keys];
-      }
-      for (var key of keys) {
-        $.deleteValue(g.NAMESPACE + key);
-      }
+    $.delete = function (keys, cb) {
+      if (keys.length === 0) { return cb?.(); }
+      return Promise.all(keys.map(key => $.deleteValue(g.NAMESPACE + key))).then(cb);
     };
 
-    $.get = $.oneItemSugar((items, cb) => $.queueTask($.getSync, items, cb));
+    $.get = $.oneItemSugar((items, cb) => $.queueTask(() => $.getSync(items, cb)));
 
     $.getSync = function (items, cb) {
       for (var key in items) {
@@ -963,7 +986,6 @@ if (platform === 'crx') {
           try {
             items[key] = dict.json(val2);
           } catch (err) {
-            // XXX https://github.com/ccd0/4chan-x/issues/2218
             if (!/^(?:undefined)*$/.test(val2)) {
               throw err;
             }
@@ -987,14 +1009,15 @@ if (platform === 'crx') {
     $.clear = function (cb) {
       // XXX https://github.com/greasemonkey/greasemonkey/issues/2033
       // Also support case where GM_listValues is not defined.
-      $.delete(Object.keys(Conf));
-      $.delete(['previousversion', 'QR Size', 'QR.persona']);
+      $.delete(Object.keys(Conf), cb);
+      $.delete(Object.keys(Conf), cb);
       try {
-        $.delete($.listValues().map(key => key.replace(g.NAMESPACE, '')));
+        //delete(keys, cb)
+        $.delete($.listValues(), cb);
       } catch (error) { }
       return cb?.();
     };
   }
 }
 
-export default $;
+export default $;
\ No newline at end of file
diff --git a/src/types/$.d.ts b/src/types/$.d.ts
index 8ed4540..82fe3c6 100644
--- a/src/types/$.d.ts
+++ b/src/types/$.d.ts
@@ -1,3 +1,5 @@
+import SimpleDict from "../classes/SimpleDict";
+
 export interface ElementProperties {
   [key: string]: any;
 }
@@ -10,4 +12,34 @@ interface AjaxPageOptions {
   onprogress?: (this: XMLHttpRequest, ev: ProgressEvent<EventTarget>) => void;
   form?: FormData;
   headers?: Record<string, string>;
-}
\ No newline at end of file
+}
+export interface LastModified {
+  [bucket: string]: { [url: string]: string | undefined };
+}
+export interface WhenModifiedOptions {
+  timeout?: number;
+  ajax?: (url: string, settings?: AjaxPageOptions) => Promise<string>;
+}
+
+  declare global {
+    interface JQueryStatic {
+      engine?: string;
+      lastModified: LastModified;
+      whenModified: (
+        url: string,
+        bucket: string,
+        cb: (this: JQueryXHR) => void,
+        options?: WhenModifiedOptions
+      ) => JQueryXHR;
+    }
+  }
+  export type Dict = { [key: string]: any };
+  export interface SyncObject {
+    setValue: (key: string, val: any) => void;
+    deleteValue: (key: string) => void;
+    oldValue?: Dict;
+    syncing?: Dict;
+    hasStorage?: boolean;
+    cantSync?: boolean;
+    cantSet?: boolean;
+  }
\ No newline at end of file