/**
     * Add a header with the specified name and formatted date. Does validation of header names and
     * value.
     */
    fun add(
      name: String,
      value: Date,
    ) = add(name, value.toHttpDateString())

    /**
     * Add a header with the specified name and formatted instant. Does validation of header names
     * and value.
     */

      "[$host]"
    } else {
      host
    }
  return if (includeDefaultPort || port != defaultPort(scheme)) {
    "$host:$port"
  } else {
    host
  }
}

/** Returns a [Locale.US] formatted [String]. */
internal fun format(
  format: String,
  vararg args: Any,
): String {
  return String.format(Locale.US, format, *args)
}

@Throws(IOException::class)