} else {
            Set<String> resourcesFilter = collectFilters(sourceSet.getResources().getSrcDirTrees(), directoryTree.getDir(), filterOperation);
            Set<String> sourceFilter = collectFilters(sourceSet.getAllJava().getSrcDirTrees(), directoryTree.getDir(), filterOperation);
            return ImmutableList.of(resourcesFilter, sourceFilter);
        }
    }

        return dirs;
    }

    @Override
    public Set<File> getSrcDirs() {
        Set<File> dirs = new LinkedHashSet<>();
        for (DirectoryTree tree : getSrcDirTrees()) {
            dirs.add(tree.getDir());
        }
        return dirs;
    }

    @Override
    public Set<String> getIncludes() {
        return patterns.getIncludes();
    }