* javadoc for details.
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
abstract class CommonPattern {
  public abstract CommonMatcher matcher(CharSequence t);

  public abstract String pattern();

  public abstract int flags();

  // Re-declare this as abstract to force subclasses to override.
  @Override
  public abstract String toString();

 * javadoc for details.
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
abstract class CommonPattern {
  public abstract CommonMatcher matcher(CharSequence t);

  public abstract String pattern();

  public abstract int flags();

  // Re-declare this as abstract to force subclasses to override.
  @Override
  public abstract String toString();

  }

  @Override
  public String pattern() {
    return pattern.pattern();
  }

  @Override
  public int flags() {
    return pattern.flags();
  }

  @Override
  public String toString() {
    return pattern.toString();
  }

  private static final class JdkMatcher extends CommonMatcher {
    final Matcher matcher;

    JdkMatcher(Matcher matcher) {

 * construction.
 *
 * <p>This class is primarily used for creating URI escapers in {@link UrlEscapers} but can be used
 * directly if required. While URI escapers impose specific semantics on which characters are
 * considered 'safe', this class has a minimal set of restrictions.
 *
 * <p>When escaping a String, the following rules apply:
 *
 * <ul>

  }

  @Override
  public String pattern() {
    return pattern.pattern();
  }

  @Override
  public int flags() {
    return pattern.flags();
  }

  @Override
  public String toString() {
    return pattern.toString();
  }

  private static final class JdkMatcher extends CommonMatcher {
    final Matcher matcher;

    JdkMatcher(Matcher matcher) {

    Set<Class<?>> wrappers = Primitives.allWrapperTypes();
    assertThat(wrappers)
        .containsExactly(
            Boolean.class,
            Byte.class,
            Character.class,
            Double.class,
            Float.class,
            Integer.class,
            Long.class,
            Short.class,
            Void.class);

    try {
      wrappers.remove(Boolean.class);
      fail();

  }

  @AndroidIncompatible // similar to ImmutableTableTest.testNullPointerInstance
  public void testImmutableSortedMap() {
    doHasAllFauxveridesTest(ImmutableSortedMap.class, ImmutableMap.class);
  }

  @AndroidIncompatible // similar to ImmutableTableTest.testNullPointerInstance
  public void testImmutableSortedSet() {
    doHasAllFauxveridesTest(ImmutableSortedSet.class, ImmutableSet.class);
  }

  }

  @AndroidIncompatible // similar to ImmutableTableTest.testNullPointerInstance
  public void testImmutableSortedMap() {
    doHasAllFauxveridesTest(ImmutableSortedMap.class, ImmutableMap.class);
  }

  @AndroidIncompatible // similar to ImmutableTableTest.testNullPointerInstance
  public void testImmutableSortedSet() {
    doHasAllFauxveridesTest(ImmutableSortedSet.class, ImmutableSet.class);
  }

    assertEquals(
        ImmutableSet.of(
            Object.class,
            HierarchyFixtureInterface.class,
            HierarchyFixtureSubinterface.class,
            HierarchyFixtureParent.class,
            HierarchyFixture.class),
        SubscriberRegistry.flattenHierarchy(HierarchyFixture.class));
  }

  private interface HierarchyFixtureInterface {

    assertEquals(String[].class, empty.getClass());
    assertThat(empty).isEmpty();
  }

  @GwtIncompatible // ObjectArrays.newArray(Class, int)
  public void testNewArray_fromClass_Nonempty() {
    String[] array = ObjectArrays.newArray(String.class, 2);
    assertEquals(String[].class, array.getClass());
    assertThat(array).hasLength(2);
    assertNull(array[0]);
  }