Header("cache-control", ""),
      Header("content-disposition", ""),
      Header("content-encoding", ""),
      Header("content-language", ""),
      Header("content-length", ""),
      Header("content-location", ""),
      Header("content-range", ""),
      Header("content-type", ""),
      Header("cookie", ""),
      Header("date", ""),
      Header("etag", ""),
      Header("expect", ""),
      Header("expires", ""),

1DA76..1DA83  ; valid                  ;      ; NV8    # 8.0  SIGNWRITING LIMB COMBINATION..SIGNWRITING LOCATION DEPTH
1DA84         ; valid                                  # 8.0  SIGNWRITING LOCATION HEAD NECK
1DA85..1DA8B  ; valid                  ;      ; NV8    # 8.0  SIGNWRITING LOCATION TORSO..SIGNWRITING PARENTHESIS
1DA8C..1DA9A  ; disallowed                             # NA   <reserved-1DA8C>..<reserved-1DA9A>

 * Attempting to create new streams on these allocations will fail.
 *
 * Note that an allocation may be released before its stream is completed. This is intended to make
 * bookkeeping easier for the caller: releasing the allocation as soon as the terminal stream has
 * been found. But only complete the stream once its data stream has been exhausted.
 */
interface Connection {

     *
     * @throws IOException if `protocol` is unknown.
     */
    @JvmStatic
    @Throws(IOException::class)
    fun get(protocol: String): Protocol {
      // Unroll the loop over values() to save an allocation.
      @Suppress("DEPRECATION")
      return when (protocol) {
        HTTP_1_0.protocol -> HTTP_1_0
        HTTP_1_1.protocol -> HTTP_1_1
        H2_PRIOR_KNOWLEDGE.protocol -> H2_PRIOR_KNOWLEDGE