invariantSeparatorsPath

@ExperimentalPathApival Path.invariantSeparatorsPath: String(source)

import kotlin.io.path.*
import kotlin.io.path.ExperimentalPathApi

@OptIn(ExperimentalPathApi::class)
fun main() {
    val path = Paths.get("folder", "subfolder", "file.txt")
    val invariantPath = path.invariantSeparatorsPath
    println(invariantPath)   // e.g., "folder/subfolder/file.txt"
}