}
    }

    private fun getVirtualFileUrlsForLibraryRootsRecursively(
        roots: Collection<Path>,
        environment: KotlinCoreProjectEnvironment,
    ): Set<String> =
        buildSet {
            for (root in getVirtualFilesForLibraryRoots(roots, environment)) {
                LibraryUtils.getAllVirtualFilesFromRoot(root, includeRoot = true)
                    .mapTo(this) { it.url }
            }
        }

            return SnapshotVisitResult.CONTINUE;
        }
    };

    /**
     * Returns a stream of roots.
     */
    Stream<FileSystemLocationSnapshot> roots();

    /**
     * Walks the whole hierarchy represented by this snapshot.
     *
     * The walk is depth first.
     */

    String COMPILE_CLASSPATH_IDENTIFIER = "COMPILE_CLASSPATH";

    /**
     * Converts the roots into the {@link FileSystemLocationFingerprint}s used by the {@link FileCollectionFingerprint}.
     */
    Map<String, FileSystemLocationFingerprint> collectFingerprints(FileSystemSnapshot roots);

    /**

	// If this is the first constant, put it as a new root, as
	// we can't record an existing connection so we don't have
	// a specific DAG to add it to. Notice that we want all
	// constants to be in root #0, so make sure the new root
	// goes there.
	if len(po.constants) == 0 {
		idx := len(po.roots)
		po.roots = append(po.roots, i)
		po.roots[0], po.roots[idx] = po.roots[idx], po.roots[0]
		po.upush(undoNewRoot, i, 0)

        List<DependentBinariesResolvedResult> roots = new ArrayList<>();
        for (DependentBinariesResolutionStrategy strategy : strategies.values()) {
            DependentBinariesResolutionResult result = strategy.resolve(target);
            roots.add(result.getRoot());
        }
        return new DefaultDependentBinariesResolutionResult(mergeResults(roots));
    }

    }

    public static ImmutableListMultimap<String, HashCode> getRootHashes(FileSystemSnapshot roots) {
        if (roots == FileSystemSnapshot.EMPTY) {
            return ImmutableListMultimap.of();
        }
        ImmutableListMultimap.Builder<String, HashCode> builder = ImmutableListMultimap.builder();
        roots.accept(snapshot -> {
            builder.put(snapshot.getAbsolutePath(), snapshot.getHash());

     */
    public fun addBinaryRoot(root: Path) {
        binaryRoots.add(root)
    }

    /**
     * Adds a collection of [roots] to the current library.
     *
     * See [addBinaryRoot] for details
     *
     * @see addBinaryRoot for details
     */
    public fun addBinaryRoots(roots: Collection<Path>) {
        binaryRoots.addAll(roots)
    }

        windowsRegistryLocal.getStringValue(WindowsRegistry.Key.HKEY_LOCAL_MACHINE, /SOFTWARE\Microsoft\Windows Kits\Installed Roots/, "KitsRoot10") >> dir1.absolutePath

        when:
        def result = windowsSdkLocatorLocal.locateComponent(null)

        then:
        result.available

        1 * watchable.stream() >> Stream.of(parent, child, grandchild)
    }

    private static List<String> rootsOf(FileHierarchySet set) {
        def roots = []
        set.visitRoots((root -> roots.add(root)))
        return roots
    }

    def "uses ucrt found in registry"() {
        def dir1 = ucrtDir("ucrt", "10.0.10150.0")

        given:
        windowsRegistry.getStringValue(WindowsRegistry.Key.HKEY_LOCAL_MACHINE, /SOFTWARE\Microsoft\Windows Kits\Installed Roots/, "KitsRoot10") >> dir1.absolutePath

        when:
        def result = ucrtLocator.locateComponent(null)

        then:
        result.available
        result.component.name == "Universal C Runtime 10"