text: /*
   * Copyright 2011 Google Inc.
   *
   * 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.
   */
  
  /**
   * @fileoverview Definitions for W3C's Navigation Timing specification.
   *
   * Created from
   * @see http://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html
   * @see http://w3c-test.org/webperf/specs/ResourceTiming
   * @see http://www.w3.org/TR/performance-timeline
   *
   * @externs
   */
  
  /** @constructor */
  function PerformanceTiming() {}
  /** @type {number} */ PerformanceTiming.prototype.navigationStart;
  /** @type {number} */ PerformanceTiming.prototype.unloadEventStart;
  /** @type {number} */ PerformanceTiming.prototype.unloadEventEnd;
  /** @type {number} */ PerformanceTiming.prototype.redirectStart;
  /** @type {number} */ PerformanceTiming.prototype.redirectEnd;
  /** @type {number} */ PerformanceTiming.prototype.fetchStart;
  /** @type {number} */ PerformanceTiming.prototype.domainLookupStart;
  /** @type {number} */ PerformanceTiming.prototype.domainLookupEnd;
  /** @type {number} */ PerformanceTiming.prototype.connectStart;
  /** @type {number} */ PerformanceTiming.prototype.connectEnd;
  /** @type {number} */ PerformanceTiming.prototype.secureConnectionStart;
  /** @type {number} */ PerformanceTiming.prototype.requestStart;
  /** @type {number} */ PerformanceTiming.prototype.responseStart;
  /** @type {number} */ PerformanceTiming.prototype.responseEnd;
  /** @type {number} */ PerformanceTiming.prototype.domLoading;
  /** @type {number} */ PerformanceTiming.prototype.domInteractive;
  /** @type {number} */ PerformanceTiming.prototype.domContentLoadedEventStart;
  /** @type {number} */ PerformanceTiming.prototype.domContentLoadedEventEnd;
  /** @type {number} */ PerformanceTiming.prototype.domComplete;
  /** @type {number} */ PerformanceTiming.prototype.loadEventStart;
  /** @type {number} */ PerformanceTiming.prototype.loadEventEnd;
  
  /** @constructor */
  function PerformanceEntry() {}
  /** @type {string} */ PerformanceEntry.prototype.name;
  /** @type {string} */ PerformanceEntry.prototype.entryType;
  /** @type {number} */ PerformanceEntry.prototype.startTime;
  /** @type {number} */ PerformanceEntry.prototype.duration;
  
  /**
   * @constructor
   * @extends {PerformanceEntry}
   */
  function PerformanceResourceTiming() {}
  /** @type {number} */ PerformanceResourceTiming.prototype.redirectStart;
  /** @type {number} */ PerformanceResourceTiming.prototype.redirectEnd;
  /** @type {number} */ PerformanceResourceTiming.prototype.fetchStart;
  /** @type {number} */ PerformanceResourceTiming.prototype.domainLookupStart;
  /** @type {number} */ PerformanceResourceTiming.prototype.domainLookupEnd;
  /** @type {number} */ PerformanceResourceTiming.prototype.connectStart;
  /** @type {number} */ PerformanceResourceTiming.prototype.connectEnd;
  /** @type {number} */
  PerformanceResourceTiming.prototype.secureConnectionStart;
  /** @type {number} */ PerformanceResourceTiming.prototype.requestStart;
  /** @type {number} */ PerformanceResourceTiming.prototype.responseStart;
  /** @type {number} */ PerformanceResourceTiming.prototype.responseEnd;
  /** @type {string} */ PerformanceResourceTiming.prototype.initiatorType;
  
  /** @constructor */
  function PerformanceNavigation() {}
  /** @type {number} */ PerformanceNavigation.prototype.TYPE_NAVIGATE = 0;
  /** @type {number} */ PerformanceNavigation.prototype.TYPE_RELOAD = 1;
  /** @type {number} */ PerformanceNavigation.prototype.TYPE_BACK_FORWARD = 2;
  /** @type {number} */ PerformanceNavigation.prototype.TYPE_RESERVED = 255;
  /** @type {number} */ PerformanceNavigation.prototype.type;
  /** @type {number} */ PerformanceNavigation.prototype.redirectCount;
  
  // Only available in WebKit, and only with the --enable-memory-info flag.
  /** @constructor */
  function PerformanceMemory() {}
  /** @type {number} */ PerformanceMemory.prototype.jsHeapSizeLimit;
  /** @type {number} */ PerformanceMemory.prototype.totalJSHeapSize;
  /** @type {number} */ PerformanceMemory.prototype.usedJSHeapSize;
  
  /** @constructor */
  function Performance() {}
  /** @type {PerformanceTiming} */ Performance.prototype.timing;
  /** @type {PerformanceNavigation} */ Performance.prototype.navigation;
  
  /**
   * Clears the buffer used to store the current list of
   * PerformanceResourceTiming resources.
   * @return {undefined}
   */
  Performance.prototype.clearResourceTimings = function() {};
  
  /**
   * Set the maximum number of PerformanceResourceTiming resources that may be
   * stored in the buffer.
   * @param {number} maxSize
   */
  Performance.prototype.setResourceTimingBufferSize = function(maxSize) {};
  
  /**
   * @return {Array.<PerformanceEntry>} A copy of the PerformanceEntry list,
   *     in chronological order with respect to startTime.
   */
  Performance.prototype.getEntries = function() {};
  
  /**
   * @param {string} entryType Only return {@code PerformanceEntry}s with this 
   *     entryType.
   * @return {Array.<PerformanceEntry>} A copy of the PerformanceEntry list,
   *     in chronological order with respect to startTime.
   */
  Performance.prototype.getEntriesByType = function(entryType) {};
  
  /**
   * @param {string} name Only return {@code PerformanceEntry}s with this name.
   * @param {string=} opt_entryType Only return {@code PerformanceEntry}s with 
   *     this entryType.
   * @return {Array.<PerformanceEntry>} PerformanceEntry list in chronological
   *     order with respect to startTime.
   */
  Performance.prototype.getEntriesByName = function(name, opt_entryType) {};
  
  // Only available in WebKit, and only with the --enable-memory-info flag.
  /** @type {PerformanceMemory} */ Performance.prototype.memory;
  
  /** @type {Performance} */
  Window.prototype.performance;
  