val packageName = "okhttp3.internal.idn"
  val idnaMappingTable = ClassName(packageName, "IdnaMappingTable")

  return FileSpec
    .builder(packageName, "IdnaMappingTableInstance")
    .addProperty(
      PropertySpec
        .builder("IDNA_MAPPING_TABLE", idnaMappingTable)
        .addModifiers(KModifier.INTERNAL)
        .initializer(
          """
          |%T(⇥
          |sections = "%L",