import org.gradle.api.internal.file.DefaultFileTreeElement;
import org.gradle.internal.nativeintegration.filesystem.FileSystem;

import java.io.File;

public abstract class DirectoryTrees {
    private DirectoryTrees() {
    }

    public static boolean contains(FileSystem fileSystem, DirectoryTree tree, File file) {
        String prefix = tree.getDir().getAbsolutePath() + File.separator;

            return ImmutableList.of(resourcesFilter, sourceFilter);
        }
    }

    private Set<String> collectFilters(Set<DirectoryTree> directoryTrees, File targetDir, String filterOperation) {
        for (DirectoryTree directoryTree : directoryTrees) {
            if (directoryTree.getDir().equals(targetDir)) {
                PatternSet patterns = directoryTree.getPatterns();

        patternSet.copyFrom(patterns);
        return new DirectoryFileTree(dir, patternSet, fileSystem, postfix);
    }

    @Override
    public boolean contains(File file) {
        return DirectoryTrees.contains(fileSystem, this, file) && file.isFile();
    }

    @Override
    public void visitStructure(MinimalFileTreeStructureVisitor visitor, FileTreeInternal owner) {