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module.exports = {
  /**   * ### config.includeStack   *   * User configurable property, influences whether stack trace   * is included in Assertion error message. Default of false   * suppresses stack trace in the error message.   *   *     chai.config.includeStack = true;  // enable stack on error   *   * @param {Boolean}   * @api public   */
  includeStack: false,
  /**   * ### config.showDiff   *   * User configurable property, influences whether or not   * the `showDiff` flag should be included in the thrown   * AssertionErrors. `false` will always be `false`; `true`   * will be true when the assertion has requested a diff   * be shown.   *   * @param {Boolean}   * @api public   */
  showDiff: true,
  /**   * ### config.truncateThreshold   *   * User configurable property, sets length threshold for actual and   * expected values in assertion errors. If this threshold is exceeded, for   * example for large data structures, the value is replaced with something   * like `[ Array(3) ]` or `{ Object (prop1, prop2) }`.   *   * Set it to zero if you want to disable truncating altogether.   *   * This is especially userful when doing assertions on arrays: having this   * set to a reasonable large value makes the failure messages readily   * inspectable.   *   *     chai.config.truncateThreshold = 0;  // disable truncating   *   * @param {Number}   * @api public   */
  truncateThreshold: 40,
  /**   * ### config.useProxy   *   * User configurable property, defines if chai will use a Proxy to throw   * an error when a non-existent property is read, which protects users   * from typos when using property-based assertions.   *   * Set it to false if you want to disable this feature.   *   *     chai.config.useProxy = false;  // disable use of Proxy   *   * This feature is automatically disabled regardless of this config value   * in environments that don't support proxies.   *   * @param {Boolean}   * @api public   */
  useProxy: true,
  /**   * ### config.proxyExcludedKeys   *   * User configurable property, defines which properties should be ignored   * instead of throwing an error if they do not exist on the assertion.   * This is only applied if the environment Chai is running in supports proxies and   * if the `useProxy` configuration setting is enabled.   * By default, `then` and `inspect` will not throw an error if they do not exist on the   * assertion object because the `.inspect` property is read by `util.inspect` (for example, when   * using `console.log` on the assertion object) and `.then` is necessary for promise type-checking.   *   *     // By default these keys will not throw an error if they do not exist on the assertion object   *     chai.config.proxyExcludedKeys = ['then', 'inspect'];   *   * @param {Array}   * @api public   */
  proxyExcludedKeys: ['then', 'catch', 'inspect', 'toJSON']};