* the License.
 */

package com.google.common.base;

import com.google.common.annotations.GwtCompatible;
import org.jspecify.annotations.Nullable;

/**
 * A class that can supply objects of a single type; a pre-Java-8 version of {@link
 * java.util.function.Supplier java.util.function.Supplier}. Semantically, this could be a factory,

### Storage

  }

  /**
   * Map generator that verifies that {@code setUp()} methods are called in all the test cases. The
   * {@code setUpRan} parameter is set true by the {@code setUp} that every test case is supposed to
   * have registered, and set false by the {@code tearDown}. We use a dynamic proxy to intercept all
   * of the {@code Map} method calls and check that {@code setUpRan} is true.
   */

public
abstract class TreeTraverser<T> {
  /** Constructor for use by subclasses. */
  public TreeTraverser() {}

  /**
   * Returns a tree traverser that uses the given function to navigate from a node to its children.
   * This is useful if the function instance already exists, or so that you can supply a lambda
   * expressions. If those circumstances don't apply, you probably don't need to use this; subclass

            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        NetworkInterfaceInfo that = (NetworkInterfaceInfo) obj;
        return interfaceIndex == that.interfaceIndex && address != null ? address.equals(that.address) : that.address == null;
    }

    @Override
    public int hashCode() {
        int result = interfaceIndex;

import java.nio.file.SecureDirectoryStream;
import org.jspecify.annotations.Nullable;

/**
 * Exception indicating that a recursive delete can't be performed because the file system does not
 * have the support necessary to guarantee that it is not vulnerable to race conditions that would
 * allow it to delete files and directories outside of the directory being deleted (i.e., {@link
 * SecureDirectoryStream} is not supported).
 *

    }
    return rank;
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof ExplicitOrdering) {
      ExplicitOrdering<?> that = (ExplicitOrdering<?>) object;
      return this.rankMap.equals(that.rankMap);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return rankMap.hashCode();
  }

  @Override
  public String toString() {

 */

package com.google.common.util.concurrent;

import com.google.common.annotations.GwtCompatible;
import java.util.logging.Logger;
import org.jspecify.annotations.Nullable;

/** A holder for a {@link Logger} that is initialized only when requested. */
@GwtCompatible
final class LazyLogger {
  private final Object lock = new Object();

  private final String loggerName;
  private volatile @Nullable Logger logger;

    }
    return rank;
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof ExplicitOrdering) {
      ExplicitOrdering<?> that = (ExplicitOrdering<?>) object;
      return this.rankMap.equals(that.rankMap);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return rankMap.hashCode();
  }

  @Override
  public String toString() {

     * @param collisions The POM files of the projects that collided, indexed by their g:a:v, may be {@code null}.
     */
    public DuplicateProjectException(String message, Map<String, List<File>> collisions) {
        super(message, (File) null);

        this.collisions = (collisions != null) ? collisions : new LinkedHashMap<>();
    }

    /**
     * Gets the POM files of the projects that collided.
     *