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

/**
 * Interface that defines some kind of enums that can be extended by Maven plugins or extensions.
 *
 * Implementation must have {@code equals()} and {@code hashCode()} implemented, so implementations of this interface
 * can be used as keys.
 *
 * @since 4.0.0
 */
@Experimental
public interface ExtensibleEnum {

    /**

	}

	for _, testCase := range ipv4TestCases {
		globalDomainIPs = nil

		updateDomainIPs(testCase.endPoints)

		if !testCase.expectedResult.Equals(globalDomainIPs) {
			t.Fatalf("error: expected = %s, got = %s", testCase.expectedResult, globalDomainIPs)
		}
	}

        FessUserNotFoundException exception2 = new FessUserNotFoundException("user2");

        assertNotSame(exception1, exception2);
        assertFalse(exception1.getMessage().equals(exception2.getMessage()));
        assertEquals("User is not found: user1", exception1.getMessage());
        assertEquals("User is not found: user2", exception2.getMessage());
    }

        assertTrue(result1.startsWith("FessUserTimeZoneProcessProvider:{"));
        assertTrue(result2.startsWith("FessUserTimeZoneProcessProvider:{"));

        // But different hash codes
        assertFalse(result1.equals(result2));
    }

    // Test static field initialization
    public void test_centralTimeZone_initialization() {
        // Verify that centralTimeZone is properly initialized

  public int getAndSet(int newValue) {
    int result = value;
    value = newValue;
    return result;
  }

  @Override
  public int hashCode() {
    return value;
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    return obj instanceof Count && ((Count) obj).value == value;
  }

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

import com.google.common.collect.ForwardingSet;
import java.util.Set;

/**
 * A subclass of `ForwardingSet` that throws `IllegalStateException` on invocation of any method
 * (except `hashCode` and `equals`) if the provided `Supplier` returns false.
 */
final class InvalidatableSet<E> extends ForwardingSet<E> {
  private final Supplier<Boolean> validator;
  private final Set<E> delegate;

            return parent.retainAll(c);
        }

        public void clear() {
            parent.clear();
        }

        public boolean equals(final Object o) {
            return parent.equals(o);
        }

        public int hashCode() {
            return parent.hashCode();
        }

        public E get(final int index) {
            return parent.get(index);

  }

  public void testEquals_immutableList() {
    Collection<String> c = ImmutableList.of("a", "b", "c");
    assertTrue(c.equals(ImmutableList.of("a", "b", "c")));
    assertFalse(c.equals(ImmutableList.of("a", "c", "b")));
    assertFalse(c.equals(ImmutableList.of("a", "b")));
    assertFalse(c.equals(ImmutableList.of("a", "b", "c", "d")));
  }

  public void testBuilderAdd() {
    ImmutableList<String> list =

        equivalence =
            Equivalence.equals()
                .onResultOf(ImmutableSortedMap<String, Integer>::comparator)
                .and(Equivalence.equals().onResultOf(map -> map.entrySet().asList()))
                .and(Equivalence.equals());
    ImmutableSortedMap<String, Integer> expected =

      assertFalse(
          "Should not contain key " + entry.getKey() + " mapped to value " + entry.getValue(),
          equal(getMap().get(entry.getKey()), entry.getValue()));
    }
  }

  private static boolean equal(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
  }

  // This one-liner saves us from some ugly casts
  protected Entry<K, V> entry(K key, V value) {