text: /**
  * @license
  * Copyright Google Inc. All Rights Reserved.
  *
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.io/license
  */
  (function (factory) {
      typeof define === 'function' && define.amd ? define(factory) :
          factory();
  }(function () {
      'use strict';
      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
      Zone.__load_patch('socketio', function (global, Zone, api) {
          Zone[Zone.__symbol__('socketio')] = function patchSocketIO(io) {
              // patch io.Socket.prototype event listener related method
              api.patchEventTarget(global, [io.Socket.prototype], {
                  useG: false,
                  chkDup: false,
                  rt: true,
                  diff: function (task, delegate) {
                      return task.callback === delegate;
                  }
              });
              // also patch io.Socket.prototype.on/off/removeListener/removeAllListeners
              io.Socket.prototype.on = io.Socket.prototype.addEventListener;
              io.Socket.prototype.off = io.Socket.prototype.removeListener =
                  io.Socket.prototype.removeAllListeners = io.Socket.prototype.removeEventListener;
          };
      });
  }));
  //# sourceMappingURL=zone-patch-socket-io-rollup.umd.js.map
  