"use strict";/** * @license * Copyright 2023 Google LLC * SPDX-License-Identifier: Apache-2.0 */const t=Symbol("internals"),n=Symbol("privateInternals");function i(e){class s extends e{get[t](){return this[n]||(this[n]=this.attachInternals()),this[n]}}return s}exports.internals=t;exports.mixinElementInternals=i;