}

    private
    fun <T : Any?> withParsedKotlinSource(sourceRoots: List<File>, block: (List<KtFile>) -> T) =
        Disposer.newDisposable().use {
            parseKotlinFiles(sourceRoots, emptyList()).let(block)
        }

    private
    fun Disposable.parseKotlinFiles(sourceRoots: List<File>, compilationClasspath: List<File>): List<KtFile> {