@Deprecated
  public final FluentIterable<T> preOrderTraversal(T root) {
    checkNotNull(root);
    return new FluentIterable<T>() {
      @Override
      public UnmodifiableIterator<T> iterator() {
        return preOrderIterator(root);
      }
    };
  }

  UnmodifiableIterator<T> preOrderIterator(T root) {
    return new PreOrderIterator(root);
  }

    }

    /**
     * Constructs a new TransportException with the specified root cause.
     *
     * @param rootCause the root cause of this exception
     */
    public TransportException(final Throwable rootCause) {
        this.rootCause = rootCause;
    }

    /**
     * Constructs a new TransportException with the specified detail message and root cause.
     *
     * @param msg the detail message

 * under the License.
 */
package org.apache.maven.model.root;

import java.nio.file.Path;

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;

/**
 * Interface used to locate the root directory for a given project.
 *
 * The root locator is usually looked up from the plexus container.

    /**
     * Returns an array of {@link Traverser} instances that handle collections of classes or resources based on the specified root package.
     *
     * @param rootPackage
     *            The root package.
     * @return An array of {@link Traverser} instances that handle collections of resources based on the specified root package.
     */
    public static Traverser[] getTraversers(final String rootPackage) {

        RequestTrace root = new RequestTrace("root", null, "root-data");
        RequestTrace level1 = new RequestTrace("level1", root, "level1-data");
        RequestTrace level2 = new RequestTrace("level2", level1, "level2-data");
        RequestTrace level3 = new RequestTrace(level2, "level3-data");

        // Verify the chain
        assertNull(root.parent());
        assertEquals(root, level1.parent());

      @Override
      long treeAggregate(@Nullable AvlNode<?> root) {
        return (root == null) ? 0 : root.totalCount;
      }
    },
    DISTINCT {
      @Override
      int nodeAggregate(AvlNode<?> node) {
        return 1;
      }

      @Override
      long treeAggregate(@Nullable AvlNode<?> root) {
        return (root == null) ? 0 : root.distinctElements;
      }
    };

                SmbTransport trans = null;

                root = root.toLowerCase();

                /* The link entries contain maps of referrals by path representing DFS links.
                 * Note that paths are relative to the root like "\" and not "\example.com\root".
                 */
                CacheEntry links = (CacheEntry) roots.get(root);
                if (links != null && now > links.expiration) {

import org.w3c.dom.Document
import org.w3c.dom.Element
import org.w3c.dom.Node

class XIncludeAwareXmlProvider {

    Document root

    Element parse(File sourceFile) {
        root = parseSourceFile(sourceFile)
        root.documentElement
    }

    Node emptyDoc() {
        root = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()
    }

    void write(File destFile, boolean indent = false) {

            Editor editor = new Editor(updatedDocument);
            Element root = editor.root();
            assertEquals(expectedNamespace, root.namespaceURI(), "Namespace should be updated: " + description);

            Element modelVersionElement = DomUtils.findChildElement(root, "modelVersion");
            if (expectedModelVersion != null) {

import okio.Okio;

public class SampleServer extends Dispatcher {
  private final SSLContext sslContext;
  private final String root;
  private final int port;

  public SampleServer(SSLContext sslContext, String root, int port) {
    this.sslContext = sslContext;
    this.root = root;
    this.port = port;
  }

  public void run() throws IOException {
    MockWebServer server = new MockWebServer();