unionWith = next
      index++
    }

    result +=
      Mapping(
        sourceCodePoint0 = mapping.sourceCodePoint0,
        sourceCodePoint1 = unionWith.sourceCodePoint1,
        type = type,
        mappedTo = mappedTo,
      )
  }

  return result
}

internal fun canonicalizeType(type: Int): Int =
  when (type) {