Disposer.newDisposable().let { disposable ->
            ParsedKotlinFiles(disposable.parseKotlinFiles(sourceRoots, compilationClasspath), disposable)
        }

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