object : CookieHandler() {
      override fun put(
        uri: URI?,
        responseHeaders: MutableMap<String, MutableList<String>>?,
      ) = TODO()

      override fun get(
        uri: URI?,
        requestHeaders: MutableMap<String, MutableList<String>>?,
      ): MutableMap<String, MutableList<String>> = TODO()
    }

  private fun newInterceptorChain(): Interceptor.Chain =

      apply {
        if (tag == null) {
          if (tags.isNotEmpty()) {
            (tags as MutableMap).remove(type)
          }
        } else {
          val mutableTags =
            when {
              tags.isEmpty() -> mutableMapOf<KClass<*>, Any>().also { tags = it }
              else -> tags as MutableMap<KClass<*>, Any>
            }
          mutableTags[type] = type.cast(tag)
        }
      }

/**
 * Tests how each code point is encoded and decoded in the context of each URL component.
 *
 * This supports [HttpUrlTest].
 */
class UrlComponentEncodingTester private constructor() {
  private val encodings: MutableMap<Int, Encoding> = LinkedHashMap()

  private fun allAscii(encoding: Encoding) =
    apply {
      for (i in 0..127) {
        encodings[i] = encoding
      }
    }

  fun override(
    encoding: Encoding,