*            be <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void injectManagement(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

     *            <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void injectManagement(Model model, ModelBuildingRequest request, ModelProblemCollector problems);

/**
 * Represents a Maven execution request, encapsulating all necessary information
 * for invoking a Maven build or command.
 *
 * @param <O> the type of {@link Options} used for this request, extending the base {@link Options} interface
 *
 * @since 4.0.0
 */
@Immutable
@Experimental
public interface InvokerRequest<O extends Options> {
    /**
     * The parser request this instance was created from.
     */

        /*
         * Probably is not worth it, but here I make sure I restore request
         * to its original state.
         */
        try {
            LocalArtifactRepository ideWorkspace =
                    plexus.lookup(LocalArtifactRepository.class, LocalArtifactRepository.IDE_WORKSPACE);

        }
      }
    thread.start()
    return thread
  }

  private fun newRequest(url: String): Request {
    return Request.Builder().url(url).build()
  }

  private fun newRequest(
    url: String,
    tag: String,
  ): Request {
    return Request.Builder().url(url).tag(tag).build()
  }

	errDecommissionRebalanceAlreadyRunning = errors.New("Decommission cannot be started, rebalance is already in progress")
)

func (a adminAPIHandlers) StartDecommission(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.DecommissionAdminAction)
	if objectAPI == nil {
		return
	}

</div>

## Using `Jinja2Templates`

* Import `Jinja2Templates`.
* Create a `templates` object that you can reuse later.
* Declare a `Request` parameter in the *path operation* that will return a template.
* Use the `templates` you created to render and return a `TemplateResponse`, pass the name of the template, the request object, and a "context" dictionary with key-value pairs to be used inside of the Jinja2 template.

```Python hl_lines="4  11  15-18"

* 导入 `Jinja2Templates`
* 创建可复用的 `templates` 对象
* 在返回模板的*路径操作*中声明 `Request` 参数
* 使用 `templates` 渲染并返回 `TemplateResponse`， 传递模板的名称、request对象以及一个包含多个键值对（用于Jinja2模板）的"context"字典，

```Python hl_lines="4  11  15-16"
{!../../docs_src/templates/tutorial001.py!}
```

/// note | "笔记"

在FastAPI 0.108.0，Starlette 0.29.0之前，`name`是第一个参数。
并且，在此之前，`request`对象是作为context的一部分以键值对的形式传递的。

///

/// tip | "提示"

            ModelBuildingRequest request,
            ModelProblemCollector problems) {
        model.update(
                injectProfile(model.getDelegate(), profile != null ? profile.getDelegate() : null, request, problems));
    }

    @Override
    public Model injectProfile(
            Model model, Profile profile, ModelBuildingRequest request, ModelProblemCollector problems) {

		query := url.Values{}
		for key, value := range testCase.queryParams {
			query.Set(key, value)
		}
		// Create a request to use.
		req, err := http.NewRequest(http.MethodGet, "http://host/a/b?"+query.Encode(), nil)
		if err != nil {
			t.Errorf("(%d) failed to create http.Request, got %v", i, err)
		}
		if testCase.expected != ErrNone {
			// Should be set since we are simulating a http server.