*
       * http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-12#section-6.2.3
       */
      @Throws(IOException::class)
      fun writeHeaders(headerBlock: List<Header>) {
        if (emitDynamicTableSizeUpdate) {
          if (smallestHeaderTableSizeSetting < maxDynamicTableByteCount) {
            // Multiple dynamic table size updates!