/**
 * Utility methods and classes for networking (such as IP addresses and domain names).
 *
 * <p>This package is a part of the open-source <a href="https://github.com/google/guava">Guava</a>
 * library.
 *
 * @author Craig Berry
 */
@CheckReturnValue
@ParametersAreNonnullByDefault
package com.google.common.net;

import com.google.errorprone.annotations.CheckReturnValue;

 * those classes explore numerous corner cases. The intent here is to confirm that everything is
 * wired up properly.
 *
 * @author Craig Berry
 */
public final class HostSpecifierTest extends TestCase {

  private static final ImmutableList<String> GOOD_IPS =
      ImmutableList.of("1.2.3.4", "2001:db8::1", "[2001:db8::1]");

 * those classes explore numerous corner cases. The intent here is to confirm that everything is
 * wired up properly.
 *
 * @author Craig Berry
 */
public final class HostSpecifierTest extends TestCase {

  private static final ImmutableList<String> GOOD_IPS =
      ImmutableList.of("1.2.3.4", "2001:db8::1", "[2001:db8::1]");

 * class. Similarly, if you know that a given string represents a domain name, use {@link
 * InternetDomainName} rather than this class.
 *
 * @author Craig Berry
 * @since 5.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public final class HostSpecifier {

  private final String canonicalForm;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import junit.framework.TestCase;

/**
 * Unit test for {@link Ascii}.
 *
 * @author Craig Berry
 */
@GwtCompatible
public class AsciiTest extends TestCase {

  /**
   * The Unicode points {@code 00c1} and {@code 00e1} are the upper- and lowercase forms of
   * A-with-acute-accent, {@code Á} and {@code á}.

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import junit.framework.TestCase;

/**
 * Unit test for {@link Ascii}.
 *
 * @author Craig Berry
 */
@GwtCompatible
public class AsciiTest extends TestCase {

  /**
   * The Unicode points {@code 00c1} and {@code 00e1} are the upper- and lowercase forms of
   * A-with-acute-accent, {@code Á} and {@code á}.

import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import junit.framework.TestCase;

/**
 * {@link TestCase} for {@link InternetDomainName}.
 *
 * @author Craig Berry
 */
@GwtCompatible(emulated = true)
public final class InternetDomainNameTest extends TestCase {
  private static final InternetDomainName UNICODE_EXAMPLE =
      InternetDomainName.from("j\u00f8rpeland.no");

import com.google.common.testing.EqualsTester;
import com.google.common.testing.NullPointerTester;
import junit.framework.TestCase;

/**
 * {@link TestCase} for {@link InternetDomainName}.
 *
 * @author Craig Berry
 */
@GwtCompatible(emulated = true)
public final class InternetDomainNameTest extends TestCase {
  private static final InternetDomainName UNICODE_EXAMPLE =
      InternetDomainName.from("j\u00f8rpeland.no");

 *   <li>{@link CharMatcher#ascii} matches ASCII characters and provides text processing methods
 *       which operate only on the ASCII characters of a string.
 * </ul>
 *
 * @author Catherine Berry
 * @author Gregory Kick
 * @since 7.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class Ascii {

  private Ascii() {}

  /* The ASCII control characters, per RFC 20. */
  /**

 *   <li>{@link CharMatcher#ascii} matches ASCII characters and provides text processing methods
 *       which operate only on the ASCII characters of a string.
 * </ul>
 *
 * @author Catherine Berry
 * @author Gregory Kick
 * @since 7.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class Ascii {

  private Ascii() {}

  /* The ASCII control characters, per RFC 20. */
  /**