* | `http://host/`                   | `""`                |
   * | `http://username@host/`          | `""`                |
   * | `http://username:password@host/` | `"password"`        |
   * | `http://a%20b:c%20d@host/`       | `"c%20d"`           |
   */
  @get:JvmName("encodedPassword")
  val encodedPassword: String
    get() {
      if (password.isEmpty()) return ""
      val passwordStart = url.indexOf(':', scheme.length + 3) + 1