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