20 const Kernel = goog.require('protobuf.runtime.Kernel');  constant
37  * @param {!Kernel} kernel
40 function createItemMap(kernel) {  argument
43   for (const item of kernel.getRepeatedGroupIterable(
51     writeItemMap(kernel, itemMap);
57  * @param {!Kernel} kernel
60 function writeItemMap(kernel, itemMap) {  argument
61   kernel.setRepeatedGroupIterable(MSET_GROUP_FIELD_NUMBER, itemMap.values());
70    * @param {!Kernel} kernel
73   static fromKernel(kernel) {  argument
74     const itemMap = createItemMap(kernel);
75     return new MessageSet(kernel, itemMap);
82     return MessageSet.fromKernel(Kernel.createEmpty());
86    * @param {!Kernel} kernel
90   constructor(kernel, itemMap) {  argument
91     /** @const {!Kernel} @private */
92     this.kernel_ = kernel;
103    * @param {function(!Kernel):T} instanceCreator
115    * @param {function(!Kernel):T} instanceCreator
125     const message = instanceCreator(Kernel.createEmpty());
133    * @return {?Kernel}
173    * @return {!Kernel}
192     const messageSet = Item.fromKernel(Kernel.createEmpty());
200    * @param {!Kernel} kernel
203   static fromKernel(kernel) {  argument
204     return new Item(kernel);
208    * @param {!Kernel} kernel
211   constructor(kernel) {  argument
212     /** @const {!Kernel} @private */
213     this.kernel_ = kernel;
217    * @param {function(!Kernel):T} instanceCreator
228    * @param {function(!Kernel):T} instanceCreator
239    * @param {function(!Kernel):T} instanceCreator
251    * @return {?Kernel}
277    * @return {!Kernel}