@ElementTypesAreNonnullByDefault
public final class JdkFutureAdapters {
  /**
   * Assigns a thread to the given {@link Future} to provide {@link ListenableFuture} functionality.
   *
   * <p><b>Warning:</b> If the input future does not already implement {@code ListenableFuture}, the
   * returned future will emulate {@link ListenableFuture#addListener} by taking a thread from an

@ElementTypesAreNonnullByDefault
final class Platform {
  private Platform() {}

  /** Returns a thread-local 1024-char array. */
  static char[] charBufferFromThreadLocal() {
    // requireNonNull accommodates Android's @RecentlyNullable annotation on ThreadLocal.get
    return requireNonNull(DEST_TL.get());
  }

  /**
   * A thread-local destination buffer to keep us from creating new buffers. The starting size is

          @Override
          public void run() {
            list.execute();
          }
        };
    Thread thread1 = new Thread(execute);
    Thread thread2 = new Thread(execute);
    thread1.start();
    thread2.start();
    assertEquals(0, runCalled.get());
    okayToRun.countDown();
    thread1.join();
    thread2.join();
    assertEquals(1, runCalled.get());
  }

		color.YellowBold(topLeftChar + strings.Repeat(horizBarChar, maxContentWidth) + topRightChar),
		color.YellowBold(vertBarChar) + line1InColor + strings.Repeat(" ", maxContentWidth-line1Length) + color.YellowBold(vertBarChar),
		color.YellowBold(vertBarChar) + line2InColor + strings.Repeat(" ", maxContentWidth-line2Length) + color.YellowBold(vertBarChar),
		color.YellowBold(bottomLeftChar + strings.Repeat(horizBarChar, maxContentWidth) + bottomRightChar),
	}

  private final CountDownLatch exitRun = new CountDownLatch(1);

  private Thread executionThread;
  private Throwable thrownByExecutionThread;
  private final Executor exceptionCatchingExecutor =
      new Executor() {
        @Override
        public void execute(Runnable command) {
          executionThread = new Thread(command);
          executionThread.setUncaughtExceptionHandler(

import java.util.concurrent.TimeoutException;

/**
 * Base class for services that do not need a thread while "running" but may need one during startup
 * and shutdown. Subclasses can implement {@link #startUp} and {@link #shutDown} methods, each which
 * run in an executor which by default uses a separate thread for each method.
 *
 * @author Chris Nokleberg
 * @since 1.0
 */
@GwtIncompatible
@J2ktIncompatible

  protected AbstractExecutionThreadService() {}

  /**
   * Start the service. This method is invoked on the execution thread.
   *
   * <p>By default this method does nothing.
   */
  protected void startUp() throws Exception {}

  /**
   * Run the service. This method is invoked on the execution thread. Implementations must respond
   * to stop requests. You could poll for lifecycle changes in a work loop:
   *
   * <pre>

import importlib

from fastapi.testclient import TestClient

from ...utils import needs_pydanticv2


def get_client() -> TestClient:
    from docs_src.conditional_openapi import tutorial001

    importlib.reload(tutorial001)

    client = TestClient(tutorial001.app)
    return client


@needs_pydanticv2
def test_disable_openapi(monkeypatch):
    monkeypatch.setenv("OPENAPI_URL", "")

    @Override
    public Integer load(Integer key) {
      countLoad.incrementAndGet();
      return key;
    }

    @GwtIncompatible // reload
    @Override
    public ListenableFuture<Integer> reload(Integer key, Integer oldValue) {
      countReload.incrementAndGet();
      return immediateFuture(oldValue + 1);
    }

    public int getLoadCount() {

              @Override
              public Integer call() {
                return Thread.currentThread().getStackTrace().length;
              }
            },
            directExecutor());
    settableFuture.set(null);
    assertThat(getDone(stackDepthCheck))
        .isLessThan(Thread.currentThread().getStackTrace().length + 100);
  }