}

      @Override
      public int compareTo(TypeWithDuplicates o) {
        return Integer.compare(a, o.a);
      }

      boolean fullEquals(@Nullable TypeWithDuplicates other) {
        return other != null && a == other.a && b == other.b;
      }
    }

    Collector<TypeWithDuplicates, ?, ImmutableSortedSet<TypeWithDuplicates>> collector =
        toImmutableSortedSet(Ordering.natural());

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess;

// DO NOT DEPEND OTHER JARs

import java.io.File;
import java.util.List;
import java.util.Properties;

import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Host;

        };

        monitorTarget.append(buf, "errorKey", supplier);
        assertEquals("\"errorKey\":null", buf.toString());
    }

    // Test append method with Boolean value (other object type)
    @Test
    public void test_append_booleanValue() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> Boolean.TRUE;

  /**
   * Returns the set of values that are contained in both this set and the other.
   *
   * <p>This method should always be used instead of {@link Sets#intersection} for {@link
   * ContiguousSet} instances.
   */
  public abstract ContiguousSet<C> intersection(ContiguousSet<C> other);

  /**
   * Returns a range, closed on both ends, whose endpoints are the minimum and maximum values

      return failFastResponse!!
    }

    val result = responseQueue.take()

    // If take() returned because we're shutting down, then enqueue another dead letter so that any
    // other threads waiting on take() will also return.
    if (result == DEAD_LETTER) responseQueue.add(DEAD_LETTER)

    return result
  }

   */
  @ParametricNullness
  E peek();

  /**
   * {@inheritDoc}
   *
   * <p>The objects returned by consecutive calls to {@link #peek()} then {@link #next()} are
   * guaranteed to be equal to each other.
   */
  @CanIgnoreReturnValue
  @Override
  @ParametricNullness
  E next();

  /**
   * {@inheritDoc}
   *
   * <p>Implementations may or may not support removal when a call to {@link #peek()} has occurred

    /**
     * Checks the specified (effective) model for missing or invalid values. The effective model is fully assembled and
     * has undergone inheritance, interpolation and other model operations.
     *
     * @param model The model to validate, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.

  /** Type hints scoped to the call stack, manipulated with [withTypeHint]. */
  private val typeHintStack = mutableListOf<Any?>()

  /**
   * The type hint for the current object. Used to pick adapters based on other fields, such as
   * in extensions which have different types depending on their extension ID.
   */
  var typeHint: Any?
    get() = typeHintStack.lastOrNull()
    set(value) {

   * IllegalStateException} if it is accessed in any way, with the following exceptions:
   *
   * <ul>
   *   <li>{@code view.equals(view)} evaluates to {@code true} (but any other {@code equals(...)}
   *       expression involving {@code view} will throw)
   *   <li>{@code hashCode()} does not throw
   *   <li>if {@code node} is re-added to the graph after having been removed, {@code view}'s

 * #putAll} is implemented in terms of {@link #put}, {@link #invalidateAll(Iterable)} is implemented
 * in terms of {@link #invalidate}. The method {@link #cleanUp} is a no-op. All other methods throw
 * an {@link UnsupportedOperationException}.
 *
 * @author Charles Fry
 * @since 11.0
 */
@GwtIncompatible
public abstract class AbstractLoadingCache<K, V> extends AbstractCache<K, V>