val passwordStart = url.indexOf(':', scheme.length + 3) + 1
      val passwordEnd = url.indexOf('@')
      return url.substring(passwordStart, passwordEnd)
    }

  /**
   * The number of segments in this URL's path. This is also the number of slashes in this URL's
   * path, like 3 in `http://host/a/b/c`. This is always at least 1.
   *
   * | URL                  | `pathSize()` |
   * | :------------------- | :----------- |