import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.Map;
import org.jspecify.annotations.Nullable;

/**
 * A {@code BiMap} backed by an {@code EnumMap} instance for keys-to-values, and a {@code HashMap}
 * instance for values-to-keys. Null keys are not permitted, but null values are. An {@code
 * EnumHashBiMap} and its inverse are both serializable.
 *

ワーカー数などの微調整も行いたいかもしれません。

      
      - name: Clean up stale data and verify results
        run: |
          echo "Cleaning up stale data from both databases..."
          docker run --rm mysql:latest mysql \
            -u${{ env.PERFORMANCE_DB_USERNAME }} \
            -p${{ env.PERFORMANCE_DB_PASSWORD_TCAGENT }} \
            -h${{ env.DB_HOST }} \
            -e '
            USE results;

      }
    } finally {
      if (interrupted) {
        Thread.currentThread().interrupt();
      }
    }
    return added;
  }

  /**
   * Returns a synchronized (thread-safe) queue backed by the specified queue. In order to guarantee
   * serial access, it is critical that <b>all</b> access to the backing queue is accomplished
   * through the returned queue.
   *

  }

  /**
   * Causes this thread to call the named method, and asserts that this thread becomes blocked on
   * the lock-like object. The lock-like object must have a method equivalent to {@link
   * java.util.concurrent.locks.ReentrantLock#hasQueuedThread(Thread)}.
   */
  public void callAndAssertBlocks(String methodName, Object... arguments) throws Exception {

        @Override
        public boolean isBlocked() {
            return false;
        }

        @Override
        public void setBlocked(boolean blocked) {}
    }

   * calling thread. Tasks are run to completion before a {@code Future} is returned to the caller
   * (unless the executor has been shutdown).
   *
   * <p>The returned executor is backed by the executor returned by {@link
   * MoreExecutors#newDirectExecutorService} and subject to the same constraints.
   *
   * <p>Although all tasks are immediately executed in the thread that submitted the task, this

                    downloadLink.download = fileNameToSaveAs;
                    downloadLink.innerHTML = "Download File";

                    // Add the link to the DOM so that it can be clicked
                    downloadLink.href = window.URL.createObjectURL(textFileAsBlob);
                    downloadLink.style.display = "none";
                    document.body.appendChild(downloadLink);

				}
			}
		}()
	}
	// Check that local returned.
	err = st.Results(func(b []byte) error {
		<-st.Done()
		return ctx.Err()
	})
	mu.Lock()
	select {
	case <-nowBlocking:
	default:
		t.Fatal("expected to be blocked. got err", err)
	}
	if err == nil {
		t.Fatal("expected error, got nil")
	}
	t.Logf("response: %v", err)
	// Check that remote is canceled.

   * state: BLOCKED, WAITING, or TIMED_WAITING.
   */
  @SuppressWarnings("ThreadPriorityCheck") // TODO: b/175898629 - Consider onSpinWait.
  void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
    long startTime = System.nanoTime();
    for (; ; ) {
      Thread.State s = thread.getState();