func main() {
	baseCtx := context.Background()

	// Create a task that starts and ends entirely outside of the trace.
	ctx0, t0 := trace.NewTask(baseCtx, "parent")

	// Create a task that starts before the trace and ends during the trace.
	ctx1, t1 := trace.NewTask(ctx0, "type1")

	// Start tracing.
	if err := trace.Start(os.Stdout); err != nil {
		log.Fatalf("failed to start tracing: %v", err)
	}
	t1.End()

}

void ClusterScopingPassImpl::AddScopeToAllTransitivePredecessors(Node* start) {
  const string unique_suffix = absl::StrCat("_", GetUniqueScopeId());

  std::vector<Node*> starts;
  starts.push_back(start);
  auto enter = [&](Node* n) { AddOrAppendXlaInternalScope(n, unique_suffix); };
  ReverseDFSFrom(*graph_, starts, enter, /*leave=*/nullptr,
                 /*stable_comparator=*/NodeComparatorName());
}

    def ops = new ProgressOperations()

    def "starts operation"() {
        when:
        def op = ops.start("compile", null, new OperationIdentifier(1), null)

        then:
        op.parent == null
        op.operationId.id == 1L
    }

    def "maintains operation hierarchy"() {
        when:
        def op1 = ops.start("compile", null, new OperationIdentifier(1), null)

    /**
     * Called before the execution of the ExecHandle starts. Unlike {@link #executionStarted(ExecHandle)}, this method is called synchronously from {@link ExecHandle#start()}.
     *
     * @param execHandle the handle that is about to start
     */
    void beforeExecutionStarted(ExecHandle execHandle);

    /**
     * Called before the worker thread starts running the {@code execHandle}.
     *

    delegate.enqueue(response.wrap())
  }

  @Throws(IOException::class)
  @JvmOverloads
  fun start(port: Int = 0) {
    started = true
    delegate.start(port)
  }

  @Throws(IOException::class)
  fun start(
    inetAddress: InetAddress,
    port: Int,
  ) {
    started = true
    delegate.start(inetAddress, port)
  }

  @Synchronized
  @Throws(IOException::class)
  fun shutdown() {

Feng Liu <******@****.***> 1570514267 -0700

		TLSCertFile: tlsCert,
		TLSKeyFile:  tlsKey,
	}

	return server, server.Start()
}

// Start starts the mock server.
func (ms *MockOpenIDDiscoveryServer) Start() error {
	var handler http.Handler
	router := mux.NewRouter()
	router.HandleFunc("/.well-known/openid-configuration", ms.openIDCfg).Methods("GET")
	router.HandleFunc("/oauth2/v3/certs", ms.jwtPubKey).Methods("GET")
	handler = router
	if ms.timeout != 0 {

	data  block   // the bits to read
	off   uint32  // current offset into data
	start uint32  // start in data; we read backward to start
	bits  uint32  // bits ready to be returned
	cnt   uint32  // number of valid bits in bits field
}

// makeReverseBitReader makes a reverseBitReader reading backward
// from off to start. The bitstream starts with a 1 bit in the last
// byte, at off.

These functions can be declared with `async def` or normal `def`.

### `startup` event

To add a function that should be run before the application starts, declare it with the event `"startup"`:

```Python hl_lines="8"
{!../../../docs_src/events/tutorial001.py!}
```

		{Endpoint: "http://127.0.0.1:9000/data/1/", State: madmin.DriveStateOk},
		{Endpoint: "http://127.0.0.1:9000/data/2/", State: madmin.DriveStateOk},
		{Endpoint: "http://127.0.0.1:9000/data/3/", State: madmin.DriveStateOk},
		{Endpoint: "http://127.0.0.1:9000/data/4/", State: madmin.DriveStateOk},
		{Endpoint: "http://127.0.0.1:9001/data/1/", State: madmin.DriveStateOk},
		{Endpoint: "http://127.0.0.1:9001/data/2/", State: madmin.DriveStateOk},