* does not actually resolve the artifact files.
     *
     * @param session the {@link Session}, must not be {@code null}
     * @param root the Maven Dependency, must not be {@code null}
     * @param scope the {link PathScope} to collect dependencies, must not be {@code null}
     * @return the collection result, never {@code null}

 * Used with [org.gradle.api.attributes.Category].
 */
object ArchitectureDataType {
    /**
     * JSON containing platforms data. See root settings file for more information.
     */
    val PLATFORMS = "platforms"

    /**
     * JSON containing package-info data. See root settings file for more information.
     */
    val PACKAGE_INFO = "package-info"

  }

  @Test
  fun ecdsaSignedByRsa() {
    val root =
      HeldCertificate
        .Builder()
        .certificateAuthority(0)
        .rsa2048()
        .build()
    val leaf =
      HeldCertificate
        .Builder()
        .certificateAuthority(0)
        .ecdsa256()
        .signedBy(root)
        .build()
    assertThat(root.certificate.sigAlgName).isEqualTo("SHA256WITHRSA", ignoreCase = true)

 */
public abstract class ResourceTraversalUtil {

    /**
     * Do not instantiate.
     */
    protected ResourceTraversalUtil() {
    }

    /**
     * Traverses resources contained in the file system.
     *
     * @param rootDir the root directory (must not be {@literal null})
     * @param handler the handler to process resources (must not be {@literal null})
     */

 * chain. The chain terminates in a self-signed "root" certificate. Signing certificates in the
 * middle of the chain are called "intermediates". Organizations that offer certificate signing are
 * called certificate authorities (CAs).
 *
 * Browsers and other HTTP clients need a set of trusted root certificates to authenticate their
 * peers. Sets of root certificates are managed by either the HTTP client (like Firefox), or the

    in 191..242 -> "8.1.13.v20181017"
    else -> null
  }

/**
 * Returns the alpn-boot version specific to this OpenJDK 8 JVM, or null if this is not a Java 8 VM.
 * https://github.com/xjdr/xio/blob/master/alpn-boot.gradle
 */
fun alpnBootVersion(): String? {
  val version = System.getProperty("alpn.boot.version")

  if (version != null) {
    return version
  }

      echo "The JAVA_HOME environment variable is not defined correctly, so Apache Maven cannot be started." >&2
      echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" does not exist." >&2
      exit 1
    fi
  fi
else
  JAVACMD="`\\unset -f command; \\command -v java`"

  if [ ! -x "$JAVACMD" ] ; then

    // directory with a cycle,
    // /root
    //    /child
    //       /[grandchild -> root]
    Path root = createTempDirectory("ClassPathTest");
    try {
      createFile(root.resolve("some.txt"));
      Path child = createDirectory(root.resolve("child"));
      createSymbolicLink(child.resolve("grandchild"), root);
      assertEquals(

func (e *Entry[K, V]) PrevEntry() *Entry[K, V] {
	if p := e.prev; e.list != nil && p != &e.list.root {
		return p
	}
	return nil
}

// LruList represents a doubly linked list.
// The zero Value for LruList is an empty list ready to use.
type LruList[K comparable, V any] struct {
	root Entry[K, V] // sentinel list element, only &root, root.prev, and root.next are used
	len  int         // current list Length excluding (this) sentinel element

     */
    @Nonnull
    Path topDirectory();

    /**
     * Returns the root directory of the Maven invocation, if found. This is determined by the presence of a
     * {@code .mvn} directory or a POM with the root="true" property but is not always applicable (ie invocation
     * from outside a checkout).
     *
     * @return the root directory path, if present
     */
    @Nonnull
    Optional<Path> rootDirectory();