return when {
          b2bit8 && b3bit8 -> 127
          b3bit8 -> 126
          b2bit8 -> 125
          else -> 124
        }
      }

    val b2: Int
      get() = mappedTo[0] and 0x7f

    val b3: Int
      get() = mappedTo[1] and 0x7f
  }

  data class InlineDelta(
    override val rangeStart: Int,
    val codepointDelta: Int,
  ) : MappedRange {
    private val absoluteDelta = abs(codepointDelta)

000000c0  e1 eb fe 36 be ec dd b1  3a 75 d4 12 b1 13 7d eb  |...6....:u....}.|
000000d0  a0 47 18 4a e1 b4 1c 1f  91 33 5f a7 99 28 89 d0  |.G.J.....3_..(..|
000000e0  0e 4e 79 9e be 5c 7e 36  17 03 03 02 6d 0b b3 0e  |.Ny..\~6....m...|
000000f0  03 f8 e4 35 b7 d5 3f 3e  8c 8c a1 dc a3 b5 0c 74  |...5..?>.......t|
00000100  69 88 5d 8e a4 fa 02 b0  6f f4 0e 38 cc 95 12 e2  |i.].....o..8....|

  @Override
  public int readInt() throws IOException {
    byte b1 = readAndCheckByte();
    byte b2 = readAndCheckByte();
    byte b3 = readAndCheckByte();
    byte b4 = readAndCheckByte();

    return Ints.fromBytes(b4, b3, b2, b1);
  }

  /**
   * Reads a {@code long} as specified by {@link DataInputStream#readLong()}, except using
   * little-endian byte order.
   *

000003a0  d8 27 88 4c e2 c7 42 9d  08 75 62 49 df fa 84 e8  |.'.L..B..ubI....|
000003b0  11 17 03 03 00 35 39 db  59 c8 ab 08 33 da 2c 19  |.....59.Y...3.,.|
000003c0  04 10 bb 18 b3 10 78 4b  2c a2 2b a2 e2 67 d1 6f  |......xK,.+..g.o|
000003d0  07 9c 0b d2 e1 24 a8 ac  7b ce 77 55 7d b8 b3 9b  |.....$..{.wU}...|
000003e0  82 7f bc 18 7a 61 a8 28  e2 a9 1e 17 03 03 00 8b  |....za.(........|
000003f0  6e a6 11 39 b9 d7 7b a0  67 76 c2 a6 d0 e4 c4 ba  |n..9..{.gv......|

  @Override
  public int readInt() throws IOException {
    byte b1 = readAndCheckByte();
    byte b2 = readAndCheckByte();
    byte b3 = readAndCheckByte();
    byte b4 = readAndCheckByte();

    return Ints.fromBytes(b4, b3, b2, b1);
  }

  /**
   * Reads a {@code long} as specified by {@link DataInputStream#readLong()}, except using
   * little-endian byte order.
   *

00000250  c9 86 2e dd d7 11 69 7f  85 7c 56 de fb 31 78 2b  |......i..|V..1x+|
00000260  e4 c7 78 0d ae cb be 9e  4e 36 24 31 7b 6a 0f 39  |..x.....N6$1{j.9|
00000270  95 12 07 8f 2a 16 03 03  00 b7 0c 00 00 b3 03 00  |....*...........|
00000280  1d 20 de df 32 23 35 b3  79 a9 49 c2 b3 ad 0c d6  |. ..2#5.y.I.....|
00000290  23 a6 6a 9b 0f e3 52 51  7b bc f2 79 00 c9 a4 a0  |#.j...RQ{..y....|
000002a0  94 02 04 03 00 8b 30 81  88 02 42 01 8c 12 91 28  |......0...B....(|

00000170  98 ce 74 f2 4c 65 ad 01  aa 76 b5 b0 7c a0 7d 09  |..t.Le...v..|.}.|
00000180  ad d6 20 7d 12 67 f8 4c  2c 41 37 34 66 86 fe 3d  |.. }.g.L,A74f..=|
00000190  44 52 f0 08 26 4c b3 e7  71 b3 89 b3 5c 78 7e db  |DR..&L..q...\x~.|
000001a0  34 31 dc dc 7c 7d 28 e1  41 96 f4 2f 28 60 9f 5b  |41..|}(.A../(`.[|
000001b0  b2 2b 37 6b 3f 3a 37 e2  38 7a 66 40 fe 44 44 72  |.+7k?:7.8zf@.DDr|

00000250  01 5f aa d3 16 61 09 a2  76 fd 13 c3 cc e1 0c 5c  |._...a..v......\|
00000260  ee b1 87 82 f1 6c 04 ed  73 bb b3 43 77 8d 0c 1c  |.....l..s..Cw...|
00000270  f1 0f a1 d8 40 83 61 c9  4c 72 2b 9d ae db 46 06  |******@****.***+...F.|
00000280  06 4d f4 c1 b3 3e c0 d1  bd 42 d4 db fe 3d 13 60  |.M...>...B...=.`|
00000290  84 5c 21 d3 3b e9 fa e7  16 03 03 00 04 0e 00 00  |.\!.;...........|

000002a0  24 bd 0c ad 24 cc 1c a7  fb 03 eb 0a 0d f4 30 96  |$...$.........0.|
000002b0  8d 28 a1 b3 64 ba 30 27  95 29 23 22 91 62 c3 1f  |.(..d.0'.)#".b..|
000002c0  51 aa c8 be 17 85 31 8e  f5 40 3e 02 42 00 ee a1  |Q.....1..@>.B...|
000002d0  64 14 a1 52 b3 e5 54 c9  24 53 94 5a 43 d8 4f 79  |d..R..T.$S.ZC.Oy|
000002e0  69 4b a8 51 ee de b3 b0  f7 1a 57 a3 28 72 d2 13  |iK.Q......W.(r..|

        given:
        node("a")
        node("b1")
        node("b2")
        node("b3")

        resolvedConf("a", [dep("a", "b1"), dep("a", "b2"), dep("a", "b3")])

        resolvedConf("b1", [dep("b1", "b2"), dep("b1", "b3")])
        resolvedConf("b2", [dep("b2", "b3")])
        resolvedConf("b3", [])

        when:
        def result = builder.getRoot(id("a"))

        then: