}

        @Override
        public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot, RelativePathSupplier relativePath) {
            boolean root = relativePath.isRoot();
            Iterable<String> relativePathForFiltering = root
                ? ImmutableList.of(snapshot.getName())
                : relativePath.getSegments();
            SnapshotVisitResult result;

    }

    @Override
    public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot) {
        if (snapshot.getType() == FileType.Directory) {
            return SnapshotVisitResult.CONTINUE;
        }

        FileSystemLocationFingerprint fingerprint = fingerprints.get(snapshot.getAbsolutePath());
        if (fingerprint == null) {
            return SnapshotVisitResult.CONTINUE;
        }

import org.gradle.internal.snapshot.FileSystemSnapshot;
import org.gradle.internal.snapshot.RegularFileSnapshot;
import org.gradle.internal.snapshot.SnapshotVisitResult;

import java.io.Closeable;
import java.io.File;
import java.io.IOException;

public class DefaultOutputFilesRepository implements OutputFilesRepository, Closeable {

                @Override
                public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot, boolean isRoot) {
                    if (isRoot) {
                        return SnapshotVisitResult.CONTINUE;
                    } else {
                        unfilteredSnapshotRecorder.accept(snapshot);
                    }

                    return SnapshotVisitResult.SKIP_SUBTREE;
                }
            });

                }
            });
            if (newContent) {
                overlappingPath = snapshot.getAbsolutePath();
                return SnapshotVisitResult.TERMINATE;
            } else {
                return SnapshotVisitResult.CONTINUE;
            }
        }

        private boolean hasNewContent(RelativePathSupplier relativePath, FileSystemLocationSnapshot snapshot) {

 */
public interface FileSystemLeafSnapshot extends FileSystemLocationSnapshot {
    @Override
    default SnapshotVisitResult accept(FileSystemSnapshotHierarchyVisitor visitor) {
        return visitor.visitEntry(this);
    }

    @Override
    default SnapshotVisitResult accept(RelativePathTracker pathTracker, RelativePathTrackingFileSystemSnapshotHierarchyVisitor visitor) {
        pathTracker.enter(getName());

import org.gradle.internal.snapshot.FileSystemLocationSnapshot;
import org.gradle.internal.snapshot.FileSystemSnapshot;
import org.gradle.internal.snapshot.RelativePathTracker;
import org.gradle.internal.snapshot.SnapshotVisitResult;

import javax.annotation.Nullable;
import java.util.HashSet;
import java.util.Map;

/**
 * Fingerprint file system snapshots normalizing the path to the relative path in a hierarchy.
 *

import org.gradle.internal.snapshot.SnapshotVisitResult
import org.gradle.internal.snapshot.SnapshottingFilter
import org.gradle.internal.vfs.FileSystemAccess
import org.gradle.test.fixtures.file.CleanupTestDirectory
import org.gradle.test.fixtures.file.TestNameTestDirectoryProvider
import org.junit.Rule
import spock.lang.Specification

import static org.gradle.internal.snapshot.SnapshotVisitResult.CONTINUE

@CleanupTestDirectory

import org.gradle.internal.snapshot.MissingFileSnapshot;
import org.gradle.internal.snapshot.RegularFileSnapshot;
import org.gradle.internal.snapshot.RootTrackingFileSystemSnapshotHierarchyVisitor;
import org.gradle.internal.snapshot.SnapshotVisitResult;

import javax.annotation.Nullable;
import java.util.Map;
import java.util.Set;
import java.util.function.BiPredicate;

import static com.google.common.collect.ImmutableSortedMap.copyOfSorted;

import org.gradle.internal.snapshot.PathUtil;
import org.gradle.internal.snapshot.RegularFileSnapshot;
import org.gradle.internal.snapshot.RootTrackingFileSystemSnapshotHierarchyVisitor;
import org.gradle.internal.snapshot.SnapshotVisitResult;

import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Deque;