private static void executeListener(Runnable runnable, Executor executor) {
    try {
      executor.execute(runnable);
    } catch (Exception e) { // sneaky checked exception
      // Log it and keep going -- bad runnable and/or executor. Don't punish the other runnables if
      // we're given a bad one. We only catch Exception because we want Errors to propagate up.
      log.get()
          .log(
              Level.SEVERE,

      while (currentTask != self) {
        taskRunner.wait()
      }
    } finally {
      serialTaskQueue.remove(yieldCompleteTask)
    }

    // If we're yielding until we're exhausted and a task run, keep going until a task doesn't run.
    if (strategy == ResumePriority.AfterOtherTasks && otherTasksStarted) {
      return yieldUntil(strategy, condition)
    }
  }

  private enum class ResumePriority {

    assumeNotWindows()
    enableProtocol(Protocol.HTTP_2)
    val body =
      MockSocketHandler()
        .exhaustResponse()
        .receiveRequest("hey\n")
        .receiveRequest("whats going on\n")
        .exhaustRequest()
    server.enqueue(
      MockResponse
        .Builder()
        .clearHeaders()
        .addHeader("h1", "v1")
        .addHeader("h2", "v2")
        .socketHandler(body)

   */
  private static TestCase generateGuardWithWrongMonitorTestCase(
      Method method, boolean fair1, boolean fair2) {
    boolean timed = isTimed(method); // Not going to bother with all timeouts, just 0ms.
    return new TestCase(method.getName() + (timed ? "(0ms)" : "()") + "/WrongMonitor->IMSE") {
      @Override
      protected void runTest() throws Throwable {

/// tip

In this example, the variable is called `router`, but you can name it however you want.

///

We are going to include this `APIRouter` in the main `FastAPI` app, but first, let's check the dependencies and another `APIRouter`.

## Dependencies { #dependencies }

We see that we are going to need some dependencies used in several places of the application.

  private static void executeListener(Runnable runnable, Executor executor) {
    try {
      executor.execute(runnable);
    } catch (Exception e) { // sneaky checked exception
      // Log it and keep going -- bad runnable and/or executor. Don't punish the other runnables if
      // we're given a bad one. We only catch Exception because we want Errors to propagate up.
      log.get()
          .log(
              Level.SEVERE,

        SID s2 = sid("S-1-5-21-1-2-3-1002");
        jcifs.SID[] in = new jcifs.SID[] { s1, s2 };

        // Stub sendrecv to emulate successful RPC response
        doAnswer(inv -> {
            // Capture the outgoing RPC and populate result fields as the server would
            Object msg = inv.getArgument(0);
            assertTrue(msg instanceof jcifs.dcerpc.msrpc.MsrpcLookupSids);

    extends AbstractMap<K, V> implements Serializable {
  /*
   * TODO: Make this a drop-in replacement for j.u. versions, actually drop them in, and test the
   * world. Figure out what sort of space-time tradeoff we're actually going to get here with the
   * *Map variants. This class is particularly hard to benchmark, because the benefit is not only in
   * less allocation, but also having the GC do less work to scan the heap because of fewer

Normally you use:

* `POST`: to create data.
* `GET`: to read data.
* `PUT`: to update data.
* `DELETE`: to delete data.

So, in OpenAPI, each of the HTTP methods is called an "operation".

We are going to call them "**operations**" too.

#### Define a *path operation decorator* { #define-a-path-operation-decorator }

{* ../../docs_src/first_steps/tutorial001.py hl[6] *}

             * A word about communicating header info to andx smbs
             *
             * This is where we recursively invoke the provided andx smb
             * object to write it's parameter words and bytes to our outgoing
             * array. Incedentally when these andx smbs are created they are not
             * necessarily populated with header data because they're not writing