}

    public static class Builder {

        private final ImmutableUniqueList.Builder<File> uniqueListBuilder;

        public Builder(int exactSize) {
            uniqueListBuilder = ImmutableUniqueList.builderWithExactSize(exactSize);
        }

        public void add(File file) {
            uniqueListBuilder.add(file);
        }

        public ClassPath build() {