* | `http://host/?`                   | `""`                   |
   * | `http://host/?a=apple&k=key+lime` | `"a=apple&k=key+lime"` |
   * | `http://host/?a=apple&a=apricot`  | `"a=apple&a=apricot"`  |
   * | `http://host/?a=apple&b`          | `"a=apple&b"`          |
   */
  @get:JvmName("encodedQuery")
  val encodedQuery: String?
    get() {