if (classPath.isEmpty()) {
            return DefaultClassPath.of(classPath);
        }

        return fromInstrumentingArtifactTransformOutput(classPath);
    }

    private static ClassPath fromInstrumentingArtifactTransformOutput(List<File> inputFiles) {
        Map<File, File> transformedEntries = Maps.newLinkedHashMapWithExpectedSize(inputFiles.size());