this.failFastResponse = failFastResponse
  }

  @ExperimentalOkHttpApi
  companion object {
    /**
     * Enqueued on shutdown to release threads waiting on [dispatch]. Note that this response
     * isn't transmitted because the connection is closed before this response is returned.
     */
    private val DEAD_LETTER = MockResponse(code = HTTP_UNAVAILABLE)

   *
   * <p>Note that if {@code s} is a {@code Set<String>}, then {@code ImmutableSortedSet.copyOf(s)}
   * returns an {@code ImmutableSortedSet<String>} containing each of the strings in {@code s},
   * while {@code ImmutableSortedSet.of(s)} returns an {@code ImmutableSortedSet<Set<String>>}
   * containing one element (the given set itself).
   *

        return true;
    }

    @Override
    public void setUp() throws Exception {
        // create runner instance
        runner = new OpenSearchRunner();
        // create ES nodes
        final String clusterName = UUID.randomUUID().toString();
        runner.onBuild((number, settingsBuilder) -> {
            settingsBuilder.put("http.cors.enabled", true);

   * }
   * ```
   *
   * The caller may read the response body with the response's [Response.body] method. To avoid
   * leaking resources callers must [close the response body][ResponseBody] or the response.
   *
   * Note that transport-layer success (receiving a HTTP response code, headers and body) does not
   * necessarily indicate application-layer success: `response` may still indicate an unhappy HTTP
   * response code like 404 or 500.
   *

   * the {@link Multimap} interface.
   */
  @CanIgnoreReturnValue
  @Override
  List<V> replaceValues(@ParametricNullness K key, Iterable<? extends V> values);

  /**
   * {@inheritDoc}
   *
   * <p><b>Note:</b> The returned map's values are guaranteed to be of type {@link List}. To obtain
   * this map with the more specific generic type {@code Map<K, List<V>>}, call {@link
   * Multimaps#asMap(ListMultimap)} instead.
   */

`StaticFiles` を使用して、ディレクトリから静的ファイルを自動的に提供できます。

## `StaticFiles` の使用

* `StaticFiles` をインポート。
* `StaticFiles()` インスタンスを生成し、特定のパスに「マウント」。

```Python hl_lines="2  6"
{!../../docs_src/static_files/tutorial001.py!}
```

/// note | "技術詳細"

`from starlette.staticfiles import StaticFiles` も使用できます。

**FastAPI**は、開発者の利便性のために、`starlette.staticfiles` と同じ `fastapi.staticfiles` を提供します。しかし、実際にはStarletteから直接渡されています。

///

### 「マウント」とは

   * the {@link Multimap} interface.
   */
  @CanIgnoreReturnValue
  @Override
  List<V> replaceValues(@ParametricNullness K key, Iterable<? extends V> values);

  /**
   * {@inheritDoc}
   *
   * <p><b>Note:</b> The returned map's values are guaranteed to be of type {@link List}. To obtain
   * this map with the more specific generic type {@code Map<K, List<V>>}, call {@link
   * Multimaps#asMap(ListMultimap)} instead.
   */

    return (int) (value ^ (value >>> 32));
  }

  /**
   * Compares the two specified {@code long} values. The sign of the value returned is the same as
   * that of {@code ((Long) a).compareTo(b)}.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Long#compare} method instead.
   *
   * @param a the first {@code long} to compare

    }
    return registrySuffixIndexLocal;
  }

  /**
   * Returns the index of the leftmost part of the suffix, or -1 if not found. Note that the value
   * defined as a suffix may not produce {@code true} results from {@link #isPublicSuffix()} or
   * {@link #isRegistrySuffix()} if the domain ends with an excluded domain pattern such as {@code
   * "nhs.uk"}.

    return (int) (value ^ (value >>> 32));
  }

  /**
   * Compares the two specified {@code long} values. The sign of the value returned is the same as
   * that of {@code ((Long) a).compareTo(b)}.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Long#compare} method instead.
   *
   * @param a the first {@code long} to compare