}
                .ktFiles
                .first { it.normalizedPath == sourceNormalizedPath }
                .let(transform)
        }

    override fun close() {
        val errors = mutableListOf<Exception>()
        openKotlinCompilationUnitsByRoot.values.forEach { unit ->
            try {
                unit.close()
            } catch (ex: Exception) {
                errors.add(ex)
            }