accumulatorBitCount -= 8
      val childIndex = (code ushr accumulatorBitCount) and 0xff
      val children = node.children!!
      var child = children[childIndex]
      if (child == null) {
        child = Node()
        children[childIndex] = child
      }
      node = child
    }

    val shift = 8 - accumulatorBitCount
    val start = (code shl shift) and 0xff
    val end = 1 shl shift

     * @param streamDependency the stream ID this stream is dependent on.
     * @param weight relative proportion of priority in `[1..256]`.
     * @param exclusive inserts this stream ID as the sole child of `streamDependency`.
     */
    fun priority(
      streamId: Int,
      streamDependency: Int,
      weight: Int,
      exclusive: Boolean,
    )

    /**

2F25          ; mapped                 ; 5973          # 3.0  KANGXI RADICAL WOMAN
2F26          ; mapped                 ; 5B50          # 3.0  KANGXI RADICAL CHILD
2F27          ; mapped                 ; 5B80          # 3.0  KANGXI RADICAL ROOF
2F28          ; mapped                 ; 5BF8          # 3.0  KANGXI RADICAL INCH