message: [store] Fix typing
diff: @@ -134,7 +134,7 @@ export default class Store extends Source implements Syncable, Queryable, Updata
  @method fork
  @returns {Store} The forked store.
  */
  - fork(settings: StoreSettings = {}) {
  + fork(settings: StoreSettings = {}): Store {
  settings.schema = this._schema;
  settings.cacheSettings = settings.cacheSettings || {};
  settings.keyMap = this._keyMap;
  