import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;

public class SingleFileTreeElementMatcher {

    private final Stat stat;

    public SingleFileTreeElementMatcher(Stat stat) {
        this.stat = stat;
    }

    public boolean elementWithRelativePathMatches(Spec<FileTreeElement> filter, File element, String relativePathString) {

public class BuildInputHierarchy {
    private volatile ValuedVfsHierarchy<InputDeclaration> root;
    private final SingleFileTreeElementMatcher matcher;

    public BuildInputHierarchy(CaseSensitivity caseSensitivity, Stat stat) {
        this.root = ValuedVfsHierarchy.emptyHierarchy(caseSensitivity);
        this.matcher = new SingleFileTreeElementMatcher(stat);
    }

    /**
     * Returns whether the given location is an input to the build.
     */

    private volatile ValuedVfsHierarchy<NodeAccess> root;
    private final SingleFileTreeElementMatcher matcher;

    public ExecutionNodeAccessHierarchy(CaseSensitivity caseSensitivity, Stat stat) {
        this.root = ValuedVfsHierarchy.emptyHierarchy(caseSensitivity);
        this.matcher = new SingleFileTreeElementMatcher(stat);
    }

    /**
     * Returns all nodes which access the location.
     *