without the plumbing!

third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 567 matching lines @@
    * @param {string} data
    */
   eventSourceMessageReceived(requestId, time, eventName, eventId, data) {
     var networkRequest = this._inflightRequestsById[requestId];
     if (!networkRequest)
       return;
     networkRequest.addEventSourceMessage(time, eventName, eventId, data);
   }
 
   /**
+   * @override
+   * @param {!Protocol.Network.RequestId} requestId
+   * @param {!Protocol.Network.Request} request
+   */
+  interceptedRequest(requestId, request) {
+    // Stub implementation.  Event not currently used by the frontend.
+  }
+
+  /**
+   * @override
+   * @param {!Protocol.Network.RequestId} requestId
+   * @param {!Protocol.Network.Headers} responseHeaders
+   * @param {number} responseStatusCode
+   * @param {string} redirectUrl
+   */
+  interceptedRedirect(requestId, responseHeaders, responseStatusCode, redirectUrl) {
+    // Stub implementation.  Event not currently used by the frontend.
+  }
+
+  /**
    * @param {!Protocol.Network.RequestId} requestId
    * @param {!Protocol.Network.Timestamp} time
    * @param {string} redirectURL
    * @return {!SDK.NetworkRequest}
    */
   _appendRedirect(requestId, time, redirectURL) {
     var originalNetworkRequest = this._inflightRequestsById[requestId];
     var previousRedirects = originalNetworkRequest.redirects || [];
     originalNetworkRequest.setRequestId(requestId + ':redirected.' + previousRedirects.length);
     delete originalNetworkRequest.redirects;
@@ skipping 323 matching lines @@
 SDK.MultitargetNetworkManager.Events = {
   BlockedPatternsChanged: Symbol('BlockedPatternsChanged'),
   ConditionsChanged: Symbol('ConditionsChanged'),
   UserAgentChanged: Symbol('UserAgentChanged')
 };
 
 /**
  * @type {!SDK.MultitargetNetworkManager}
  */
 SDK.multitargetNetworkManager;