text: "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.createInstrumentation = createInstrumentation;
  
  /**
   * Copyright (c) Microsoft Corporation. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  function createInstrumentation() {
    const listeners = [];
    return new Proxy({}, {
      get: (obj, prop) => {
        if (prop === 'addListener') return listener => listeners.push(listener);
        if (prop === 'removeListener') return listener => listeners.splice(listeners.indexOf(listener), 1);
        if (prop === 'removeAllListeners') return () => listeners.splice(0, listeners.length);
        if (!prop.startsWith('on')) return obj[prop];
        return async (...params) => {
          for (const listener of listeners) {
            var _prop, _ref;
  
            await ((_prop = (_ref = listener)[prop]) === null || _prop === void 0 ? void 0 : _prop.call(_ref, ...params));
          }
        };
      }
    });
  }