// The caller must ensure that the root slice is not modified while the Graph
// may be in use.
func NewGraph(cmp func(p, v1, v2 string) int, roots []module.Version) *Graph {
	g := &Graph{
		cmp:      cmp,
		roots:    slices.Clip(roots),
		required: make(map[module.Version][]module.Version),
		isRoot:   make(map[module.Version]bool),
		selected: make(map[string]string),
	}

	for _, m := range roots {
		g.isRoot[m] = true

Tamas Cservenak <******@****.***> 1706804704 +0100

Greg Hanson <******@****.***> 1702658677 -0500

// - building one or more chains from the certificate to a root certificate;
// - checking fields are set as expected.
func VerifyCertificate(privPem []byte, certChainPem []byte, rootCertPem []byte, expectedFields *VerifyFields) error {
	roots := x509.NewCertPool()
	if rootCertPem != nil {
		if ok := roots.AppendCertsFromPEM(rootCertPem); !ok {
			return fmt.Errorf("failed to parse root certificate")
		}
	}

        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
    }

		t.Skip()
	}
	if runtime.GOOS == "windows" {
		// NOTE(#51599): on the Windows builders we sometimes see that the state
		// of the root pool is not fully initialized, causing an expected
		// platform verification to fail. In part this is because Windows
		// dynamically populates roots into its local trust store at time of
		// use. We can attempt to prime the pool by attempting TLS connections

Xiaopeng Han <******@****.***> 1686841337 +0800

import kotlin.io.path.extension

/**
 * Collect source file path as [String] from the given source roots in [compilerConfig].
 *
 * Such source roots are either [KotlinSourceRoot] or [JavaSourceRoot], and thus
 * this util collects all `.kt` and `.java` files under source roots.
 */
internal fun getSourceFilePaths(
    compilerConfig: CompilerConfiguration,
    includeDirectoryRoot: Boolean = false,

    /**
     * Updates the watchers after changes to the root.
     *
     * @see FileWatcherRegistry#virtualFileSystemContentsChanged(Collection, Collection, SnapshotHierarchy)
     */
    void virtualFileSystemContentsChanged(Collection<FileSystemLocationSnapshot> removedSnapshots, Collection<FileSystemLocationSnapshot> addedSnapshots, SnapshotHierarchy root);

    /**

        List<String> roots;
        if (nonNull(scope, "scope") == ProjectScope.MAIN) {
            roots = prj.getCompileSourceRoots();
        } else if (scope == ProjectScope.TEST) {
            roots = prj.getTestCompileSourceRoots();
        } else {
            throw new IllegalArgumentException("Unsupported scope " + scope);
        }
        return roots.stream()
                .map(Paths::get)