/** True if we've enqueued a close frame. No further message frames will be enqueued. */
  private var enqueuedClose = false

  /** The close code from the peer, or -1 if this web socket has not yet read a close frame. */
  private var receivedCloseCode = -1

  /** The close reason from the peer, or null if this web socket has not yet read a close frame. */
  private var receivedCloseReason: String? = null

   * AtomicInteger's atomic operations, with some help from ConcurrentMap's atomic operations on
   * creation and removal (including automatic removal of zeroes). If the modification of an
   * AtomicInteger results in zero, we compareAndSet the value to zero; if that succeeds, we remove
   * the entry from the Map. If another operation sees a zero in the map, it knows that the entry is

    return copyOf(comparator, (Iterable<? extends E>) elements);
  }

  /**
   * Returns an immutable sorted set containing the elements of a sorted set, sorted by the same
   * {@code Comparator}. That behavior differs from {@link #copyOf(Iterable)}, which always uses the
   * natural ordering of the elements.
   *
   * <p>Despite the method name, this method attempts to avoid actually copying the data when it is

import java.util.SortedSet;
import javax.annotation.CheckForNull;

/**
 * A range (or "interval") defines the <i>boundaries</i> around a contiguous span of values of some
 * {@code Comparable} type; for example, "integers from 1 to 100 inclusive." Note that it is not
 * possible to <i>iterate</i> over these contained values. To do so, pass this range instance and an
 * appropriate {@link DiscreteDomain} to {@link ContiguousSet#create}.
 *

        final String response = checkMethodBase(body).get(getApiPath() + "/" + getListEndpointSuffix()).asString();
        final List<Map<String, Object>> results = JsonPath.from(response).getList("response.docs");
        return results;
    }

    @Test
    void crudTest() {
        testCreate();
        testRead();
        testUpdate();
        testDelete();
    }

      // ensure writer was closed IF it was opened (depends on implementation whether or not it's
      // opened at all if source.newReader() throws).
      assertTrue(
          "stream not closed when copying from source with option: " + option,
          !okSink.wasStreamOpened() || okSink.wasStreamClosed());
    }
  }

  public void testClosesOnErrors_whenWriteThrows() {

## `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

```Python hl_lines="6-7  21-22"
{!../../docs_src/response_directly/tutorial001.py!}
```

/// note | Detalhes Técnicos

Você também pode utilizar `from starlette.responses import JSONResponse`.

   * <i>typically</i> means that {@code this.apply(t) == that.apply(t)} for all {@code t} of type
   * {@code T}). Note that a {@code false} result from this method does not imply that the
   * predicates are known <i>not</i> to be interchangeable.
   */
  @Override
  boolean equals(@CheckForNull Object object);

  @Override

        Runtime.getRuntime().addShutdownHook(cleanupWarning);
    }

    private void maybeWarnAboutCleanUp() {
        if (warnAboutCleanup) {
            System.out.println("[WARNING] TestFileManager from: " + callerInfo.getClassName() + " not cleaned up!");
        }
    }

    public void markForDeletion(File toDelete) {
        filesToDelete.add(toDelete);
        warnAboutCleanup = true;
    }