underline

inline fun EntitiesBuilder.underline(parts: TextSourcesList): EntitiesBuilder
inline fun EntitiesBuilder.underline(noinline init: EntitiesBuilderBody): EntitiesBuilder
inline fun EntitiesBuilder.underline(vararg parts: TextSource): EntitiesBuilder
inline fun EntitiesBuilder.underline(text: String): EntitiesBuilder

Add underline using EntitiesBuilder.add with dev.inmo.tgbotapi.types.MessageEntity.textsources.underline

infix fun String.underline(parseMode: ParseMode): String