}

  /**
   * Support removal operations when filtering a filtered multimap. Since a filtered multimap has
   * iterators that don't support remove, passing one to the FilteredEntryMultimap constructor would
   * lead to a multimap whose removal operations would fail. This method combines the predicates to
   * avoid that problem.
   */
  private static <K extends @Nullable Object, V extends @Nullable Object>

  }

  /**
   * Support removal operations when filtering a filtered multimap. Since a filtered multimap has
   * iterators that don't support remove, passing one to the FilteredEntryMultimap constructor would
   * lead to a multimap whose removal operations would fail. This method combines the predicates to
   * avoid that problem.
   */
  private static <K extends @Nullable Object, V extends @Nullable Object>

    SynchronizedEntry(Map.Entry<K, V> delegate, @CheckForNull Object mutex) {
      super(delegate, mutex);
    }

    @SuppressWarnings("unchecked") // guaranteed by the constructor
    @Override
    Map.Entry<K, V> delegate() {
      return (Map.Entry<K, V>) super.delegate();
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {

    SynchronizedEntry(Map.Entry<K, V> delegate, @CheckForNull Object mutex) {
      super(delegate, mutex);
    }

    @SuppressWarnings("unchecked") // guaranteed by the constructor
    @Override
    Map.Entry<K, V> delegate() {
      return (Map.Entry<K, V>) super.delegate();
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {

    return predicate instanceof CharMatcher ? (CharMatcher) predicate : new ForPredicate(predicate);
  }

  // Constructors

  /**
   * Constructor for use by subclasses. When subclassing, you may want to override {@code
   * toString()} to provide a useful description.
   */
  protected CharMatcher() {}

  // Abstract methods

   * comparator has a more general type than the map's keys, such as creating a {@code
   * SortedMap<Integer, String>} with a {@code Comparator<Number>}, use the {@link Builder}
   * constructor instead.
   *
   * @throws NullPointerException if {@code comparator} is null
   */
  public static <K, V> Builder<K, V> orderedBy(Comparator<K> comparator) {
    return new Builder<>(comparator);
  }

    return predicate instanceof CharMatcher ? (CharMatcher) predicate : new ForPredicate(predicate);
  }

  // Constructors

  /**
   * Constructor for use by subclasses. When subclassing, you may want to override {@code
   * toString()} to provide a useful description.
   */
  protected CharMatcher() {}

  // Abstract methods

    // If we ever expose the Predicate class outside this .cc file then we may
    // want to make this hard to misuse (by accidentally passing in an arbitrary
    // integer to the Predicate constructor for instance).
    return std::unique_ptr<PredicateT>(
        new PredicateT(id_counter_++, std::forward<Args>(args)...));
  }

  Predicate* MakeAndOrImpl(absl::Span<Predicate* const> operands, bool is_and);

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Static convenience methods that help a method or constructor check whether it was invoked
 * correctly (that is, whether its <i>preconditions</i> were met).
 *
 * <p>If the precondition is not met, the {@code Preconditions} method throws an unchecked exception

 * invalid URL. You can even be explicit about whether each component has been encoded already.
 *
 * [idna]: http://www.unicode.org/reports/tr46/#ToASCII
 */
class HttpUrl private constructor(
  /** Either "http" or "https". */
  @get:JvmName("scheme") val scheme: String,
  /**
   * The decoded username, or an empty string if none is present.
   *