private
fun candidateClassFiles(path: String) =
    sequenceOf("$path$classFileExtension", "${path}Kt$classFileExtension")


private
fun nestedClassNameFor(path: String) = path.run {
    lastIndexOf('/').takeIf { it > 0 }?.let { index ->
        substring(0, index) + '$' + substring(index + 1)
    }
}


private
fun normaliseFileSeparators(path: String): String =