*
     * {@link Optional#empty()} if no information is available.
     */
    Optional<MetadataSnapshot> getSnapshot();

    boolean hasDescendants();

    /**
     * Returns all the snapshot roots accessible from the node.
     */
    Stream<FileSystemLocationSnapshot> rootSnapshots();

    /*
     * Gets a snapshot from the current node with relative path filePath.substring(offset).
     *

    /**
     * Obtain an immutable list of compile source roots for the given project and scope.
     * Paths are absolute.
     *
     * @param project the project
     * @param scope the scope, i.e. usually main or test
     * @return the list of compile source roots
     */
    @Nonnull
    List<Path> getCompileSourceRoots(@Nonnull Project project, @Nonnull ProjectScope scope);

        }

        private class HeaderFileCollection implements MinimalFileSet, Buildable {
            @Override
            public String getDisplayName() {
                return "Include roots of " + sourceSet.getName();
            }

            @Override
            public Set<File> getFiles() {
                return sourceSet.getExportedHeaders().getSrcDirs();
            }

	certTree, err := certMap.CertTree()
	t.Logf("cert tree: %v", certTree)
	if err != nil {
		t.Errorf("expected no error, but got %v", err)
	}

	if len(certTree) != 2 {
		t.Errorf("Expected tree to have 2 roots, got %d", len(certTree))
	}

	if len(certTree[rootCert]) != 2 {
		t.Errorf("Expected root to have 2 leaves, got %d", len(certTree[rootCert]))
	}

	if _, ok := certTree[selfSigned]; !ok {

     * That is, the term “file” is used in the java.io.File sense, not the regular file sense.
     *
     * @param files the site of files to find the encompassing roots of
     * @return the encompassing roots
     */
    public static Collection<? extends File> calculateRoots(Iterable<? extends File> files) {
        List<File> sortedFiles = Lists.newArrayList(files);

a client and a client that authenticates a server.

```java
// Create the root for client and server to trust. We could also use different roots for each!
HeldCertificate rootCertificate = new HeldCertificate.Builder()
    .certificateAuthority(0)
    .build();

// Create a server certificate and a server that uses it.

 *    will be used to authenticate the client's certificate chain. Typically this is not the same
 *    set of root certificates used in server authentication. Instead it will be a small set of
 *    roots private to an organization or service.
 */
class HandshakeCertificates private constructor(
  @get:JvmName("keyManager") val keyManager: X509KeyManager,
  @get:JvmName("trustManager") val trustManager: X509TrustManager,
) {

		}

		tlsOpts.Key, tlsOpts.Cert = a.GetKeyCertsForCA()
	}

	// Will use TLS unless the reserved 15010 port is used ( istiod on an ipsec/secure VPC)
	// rootCert may be nil - in which case the system roots are used, and the CA is expected to have public key
	// Otherwise assume the injection has mounted /etc/certs/root-cert.pem
	return citadel.NewCitadelClient(opts, tlsOpts)
}

func init() {

        !tmpDir.file('foo').exists()
        tmpDir.testDirectory.exists()
    }

    def "does not delete files that are not under one of the given roots"() {
        def destDir = tmpDir.file('dir')
        def file1 = destDir.file('file1').createFile()
        def file2 = tmpDir.file('file2').createFile()

        expect:

        return missingSnapshotForAbsolutePath(relativePath.getAbsolutePath());
    }

    @Override
    public Stream<FileSystemLocationSnapshot> roots() {
        return Stream.of(this);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }