*
 * TODO it may be better for artifact.getFile() to throw it - perhaps it is a runtime exception?
 */
public class DependencyResolutionRequiredException extends Exception {
    public DependencyResolutionRequiredException(Artifact artifact) {
        super("Attempted to access the artifact " + artifact + "; which has not yet been resolved");
    }

  }

  @CanIgnoreReturnValue
  private Path newDir(String name) throws IOException {
    Path dir = rootDir.resolve(name);
    Files.createDirectory(dir);
    return dir;
  }

  @CanIgnoreReturnValue
  private Path newFile(String name) throws IOException {
    Path file = rootDir.resolve(name);
    MoreFiles.touch(file);
    return file;
  }

        pomFile = root.resolve("child/pom.xml");
        Model parent = new Model(org.apache.maven.api.model.Model.newBuilder()
                .groupId("GROUPID")
                .artifactId("ARTIFACTID")
                .version("1.0-SNAPSHOT")
                .build());
        Mockito.when(context.getRawModel(pomFile, root.resolve("pom.xml"))).thenReturn(parent);

    try {
      Path left = createDirectory(root.resolve("left"));
      createFile(left.resolve("some.txt"));

      Path right = createDirectory(root.resolve("right"));
      createFile(right.resolve("another.txt"));

      createSymbolicLink(left.resolve("sibling"), right);
      createSymbolicLink(right.resolve("sibling"), left);
      assertEquals(
          ImmutableSet.of(

/**
 * RepositoryMetadataManager
 */
@Deprecated
public interface RepositoryMetadataManager {

    void resolve(RepositoryMetadata repositoryMetadata, RepositoryRequest repositoryRequest)
            throws RepositoryMetadataResolutionException;

    void resolve(
            RepositoryMetadata repositoryMetadata,
            List<ArtifactRepository> repositories,
            ArtifactRepository localRepository)

     * @return instance for type, null if the type cannot be unwrapped
     */
    <T extends Address> T unwrap ( Class<T> type );


    /**
     * 
     * @return the resolved host name, or the host address if it could not be resolved
     */
    String getHostName ();


    /**
     * Return the IP address as text such as "192.168.1.15".
     * 
     * @return the ip address
     */

                logger.debug("  Artifact " + artifact.getId() + " resolved to " + artifact.getFile());

                artifact.setResolved(true);
            } else if (!artifact.getFile().exists()) {
                String error = updateCheckManager.getError(artifact, repository);
                if (error != null) {
                    throw new TransferFailedException("Failure to resolve " + remotePath + " from "

            throw new CrawlerSystemException("Failed to create XPath instance.", e);
        }
    }

    /**
     *  Use an XPath string to select a nodelist.
     *  XPath namespace prefixes are resolved from the contextNode.
     *
     *  @param contextNode The node to start searching from.
     *  @param expression A valid XPath string.
     *  @return A XPathNodes, should never be null.
     *

    }

    @Override
    protected synchronized Class<?> loadClass(String name, boolean resolve)
        throws ClassNotFoundException {
      // Force Finalizer to load from this class loader, not its parent.
      if (name.equals(Finalizer.class.getName())) {
        Class<?> clazz = findClass(name);
        if (resolve) {
          resolveClass(clazz);
        }
        return clazz;
      }

    /**
     * Resolve the location of a DFS path
     * 
     * @param domain
     * @param root
     * @param path
     * @param tf
     * @return the final referral for the given DFS path
     * @throws CIFSException
     * @throws jcifs.smb.SmbAuthException
     */
    DfsReferralData resolve ( CIFSContext tf, String domain, String root, String path ) throws CIFSException;