* Includes reference counting for multi-threaded access tracking.
     */
    public static class StatsObject extends LinkedHashMap<String, Long> {
        /** Serial version UID for serialization. */
        private static final long serialVersionUID = 1L;

        /** Atomic counter for tracking reference count across multiple threads. */
        protected final AtomicInteger count;

        /**

 * {@link ImmutableCollection}.
 *
 * @since 2.0
 */
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
public abstract class ImmutableSet<E> extends ImmutableCollection<E> implements Set<E> {
  static final int SPLITERATOR_CHARACTERISTICS =
      ImmutableCollection.SPLITERATOR_CHARACTERISTICS | Spliterator.DISTINCT;

  /**

   *
   * @param expectedSize the initial capacity of this {@code CompactHashSet}.
   */
  CompactHashSet(int expectedSize) {
    init(expectedSize);
  }

  /** Pseudoconstructor for serialization support. */
  void init(int expectedSize) {
    Preconditions.checkArgument(expectedSize >= 0, "Expected size must be >= 0");

    // Save expectedSize for use in allocArrays()

        assertEquals("{success.crud_update_crud_table}", FessMessages.SUCCESS_crud_update_crud_table);
        assertEquals("{success.crud_delete_crud_table}", FessMessages.SUCCESS_crud_delete_crud_table);
    }

    // Test serialization
    public void test_serialVersionUID() {
        assertEquals(1L, getSerialVersionUID());
    }

    private long getSerialVersionUID() {
        try {

   *     values for that key, and the key's values
   */
  @GwtIncompatible
  @J2ktIncompatible
    private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    Serialization.writeMultimap(this, stream);
  }

  @GwtIncompatible
  @J2ktIncompatible
    private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException {
    stream.defaultReadObject();

  }

  abstract static class AbstractCell<
          R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>
      implements Cell<R, C, V> {
    // needed for serialization
    AbstractCell() {}

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj == this) {
        return true;
      }
      if (obj instanceof Cell) {

   *     values for that key, and the key's values
   */
  @GwtIncompatible
  @J2ktIncompatible
    private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    Serialization.writeMultimap(this, stream);
  }

  @GwtIncompatible
  @J2ktIncompatible
    private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException {
    stream.defaultReadObject();

 *
 * @author Jared Levy
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
@SuppressWarnings("serial") // we're overriding default serialization
public abstract class ImmutableMultiset<E> extends ImmutableCollection<E> implements Multiset<E> {

  /**
   * Returns a {@code Collector} that accumulates the input elements into a new {@code

{* ../../docs_src/path_params/tutorial002.py hl[7] *}

ここでは、 `item_id` は `int` として宣言されています。

/// check | 確認

これにより、関数内でのエディターサポート (エラーチェックや補完など) が提供されます。

///

## データ<abbr title="別名: serialization, parsing, marshalling">変換</abbr>

この例を実行し、ブラウザで <a href="http://127.0.0.1:8000/items/3" class="external-link" target="_blank">http://127.0.0.1:8000/items/3</a> を開くと、次のレスポンスが表示されます:

```JSON
{"item_id":3}
```

   * Instead, copy the list using {@link ImmutableList#copyOf(Collection)} (for example), then
   * serialize the copy. Other methods similar to this do not implement serialization at all for
   * this reason.
   *
   * <p><b>Java 8+ users:</b> many use cases for this method are better addressed by {@link