// 2.
    "disallowed_STD3_mapped ".encodeUtf8(),
    // 3.
    "disallowed_STD3_valid ".encodeUtf8(),
    // 4.
    "ignored ".encodeUtf8(),
    // 5.
    "mapped ".encodeUtf8(),
    // 6.
    "valid ".encodeUtf8(),
  )

internal const val TYPE_DEVIATION = 0
internal const val TYPE_DISALLOWED = 1
internal const val TYPE_DISALLOWED_STD3_MAPPED = 2

      buildString {
        if (noCache) append("no-cache, ")
        if (noStore) append("no-store, ")
        if (maxAgeSeconds != -1) append("max-age=").append(maxAgeSeconds).append(", ")
        if (sMaxAgeSeconds != -1) append("s-maxage=").append(sMaxAgeSeconds).append(", ")
        if (isPrivate) append("private, ")
        if (isPublic) append("public, ")
        if (mustRevalidate) append("must-revalidate, ")

fun Request.commonToString(): String =
  buildString {
    append("Request{method=")
    append(method)
    append(", url=")
    append(url)
    if (headers.size != 0) {
      append(", headers=[")
      headers.forEachIndexed { index, (name, value) ->
        if (index > 0) {
          append(", ")
        }
        append(name)
        append(':')
        append(if (isSensitiveHeader(name)) "██" else value)
      }

  @JvmField val message: String,
) {
  override fun toString(): String {
    return buildString {
      if (protocol == Protocol.HTTP_1_0) {
        append("HTTP/1.0")
      } else {
        append("HTTP/1.1")
      }
      append(' ').append(code)
      append(' ').append(message)
    }
  }

  companion object {
    fun get(response: Response): StatusLine {

   */
  fun get(
    request: Request,
    proxyType: Proxy.Type,
  ): String =
    buildString {
      append(request.method)
      append(' ')
      if (includeAuthorityInRequestLine(request, proxyType)) {
        append(request.url)
      } else {
        append(requestPath(request.url))
      }
      append(" HTTP/1.1")
    }

  /**

internal fun Headers.commonToString(): String {
  return buildString {
    for (i in 0 until size) {
      val name = name(i)
      val value = value(i)
      append(name)
      append(": ")
      append(if (isSensitiveHeader(name)) "██" else value)
      append("\n")
    }
  }
}

internal fun commonHeadersGet(
  namesAndValues: Array<String>,
  name: String,
): String? {

      }
    }

    return mapResult.readUtf8()
  }
}

interface CodePointMapping {
  /**
   * Returns a (possibly-empty) string that [codePoint] maps to, or null if [codePoint] is not
   * mapped.
   */
  operator fun get(codePoint: Int): String?
}

interface CodePointSet {
  operator fun contains(codePoint: Int): Boolean

      )
  }

  return result
}

internal fun canonicalizeType(type: Int): Int {
  return when (type) {
    TYPE_IGNORED -> TYPE_IGNORED

    TYPE_MAPPED,
    TYPE_DISALLOWED_STD3_MAPPED,
    -> TYPE_MAPPED

    TYPE_DEVIATION,
    TYPE_DISALLOWED_STD3_VALID,
    TYPE_VALID,
    -> TYPE_VALID

    TYPE_DISALLOWED -> TYPE_DISALLOWED

          else -> append(" via proxy ")
        }

        when {
          socketHostname == null -> append("<unresolved>")
          ':' in socketHostname -> append("[").append(socketHostname).append("]")
          else -> append(socketHostname)
        }
        append(":")
        append(socketAddress.port)
      }
    }
  }

          if (c != '\\'.code) {
            append(c.toChar())
            continue
          }
          when (buffer.readUtf8CodePoint()) {
            '\\'.code -> append('\\')
            '#'.code -> append('#')
            'n'.code -> append('\n')
            'r'.code -> append('\r')
            's'.code -> append(' ')
            't'.code -> append('\t')
            'f'.code -> append('\u000c')