val index = serialTaskQueue.indexOfFirst { it.isReady() }
    if (index == -1) return null

    val nextTask = serialTaskQueue.removeAt(index)
    currentTask = nextTask
    contextSwitchCount++
    nextTask.start()
    return nextTask
  }

  private interface SerialTask {
    /** Returns true if this task is ready to start. */
    fun isReady() = true

        rawSocket?.closeQuietly()
      }
    }
  }

  override fun connectTlsEtc(): ConnectResult {
    val rawSocket = requireNotNull(rawSocket) { "TCP not connected" }
    check(!isReady) { "already connected" }

    val connectionSpecs = route.address.connectionSpecs
    var retryTlsConnection: ConnectPlan? = null
    var success = false

    }
  }

  /**
   * Returns an immediately-executable task for the calling thread to execute, sleeping as necessary
   * until one is ready. If there are no ready queues, or if other threads have everything under
   * control this will return null. If there is more than a single task ready to execute immediately
   * this will start another thread to handle that work.
   */
  fun awaitTaskToRun(): Task? {
    assertLockHeld()

    private byte[] b;
    private int n;
    private boolean ready;
    private SmbFileOutputStream out;

    private SmbException e = null;

    WriterThread() {
        super("JCIFS-WriterThread");
        this.ready = false;
    }

    /**
     * @return the ready
     */
    boolean isReady() {
        return this.ready;
    }

    /**
     * @throws SmbException
     *

        w.start();

        // Wait until writer thread is ready
        synchronized (w) {
            long deadline = System.currentTimeMillis() + 2000;
            while (!w.isReady() && System.currentTimeMillis() < deadline) {
                w.wait(10);
            }
            assertTrue(w.isReady(), "WriterThread should be ready");

            // Submit a write that will throw inside the writer thread

        service.startAsync();
      } catch (IllegalStateException e) {
        // This can happen if the service has already been started or stopped (e.g. by another
        // service or listener). Our contract says it is safe to call this method if
        // all services were NEW when it was called, and this has already been verified above, so we
        // don't propagate the exception.

    void testPadCalculation() {
        // Test pad calculation with different alignment values
        assertEquals(0, transaction.pad(0)); // Already aligned
        assertEquals(0, transaction.pad(4)); // Already aligned
        assertEquals(0, transaction.pad(8)); // Already aligned
        assertEquals(3, transaction.pad(1)); // Need 3 bytes to align to 4
        assertEquals(2, transaction.pad(2)); // Need 2 bytes to align to 4

    var canceled = false
    var connectState = ConnectState.READY
    val connection =
      factory.newConnection(
        pool = pool,
        route = factory.newRoute(address),
        idleAtNanos = defaultConnectionIdleAtNanos,
      )
    var retry: FakePlan? = null
    var retryTaken = false
    var yieldBeforePlanReturns = false

    override val isReady: Boolean
      get() = connectState == ConnectState.TLS_CONNECTED

import okhttp3.Address
import okhttp3.HttpUrl

/**
 * Policy on choosing which connection to use for an exchange and any retries that follow. This uses
 * the following strategies:
 *
 *  1. If the current call already has a connection that can satisfy the request it is used. Using
 *     the same connection for an initial exchange and its follow-ups may improve locality.
 *

            "The filename, directory name, or volume label syntax is incorrect.", "The directory is not empty.",
            "Cannot create a file when that file already exists.", "All pipe instances are busy.", "The pipe is being closed.",
            "No process is on the other end of the pipe.", "More data is available.", "This user account has expired.",