runner = new OpenSearchRunner();
        runner.onBuild((number, settingsBuilder) -> {
            settingsBuilder.put("http.cors.enabled", true);
            settingsBuilder.put("discovery.type", "single-node");
            // settingsBuilder.putList("discovery.seed_hosts", "127.0.0.1:9301");
            // settingsBuilder.putList("cluster.initial_master_nodes", "127.0.0.1:9301");

        try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
            if (response.getStatusLine().getStatusCode() != Constants.OK_STATUS_CODE) {
                logger.error("Failed to access {}, code: {}.", url, response.getStatusLine().getStatusCode());
                return null;
            }

            data.setContent(EntityUtils.toString(response.getEntity(), Charsets.UTF_8));

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Unit tests on <code>MavenProperties</code>.
 */
public class MavenPropertiesTest {

    private static final String LINE_SEPARATOR = System.getProperty("line.separator");
    private static final String COMMENT = "# comment";

No vas a tener que volver a la documentación seguido.

Así es como tu editor te puede ayudar:

* en <a href="https://code.visualstudio.com/" class="external-link" target="_blank">Visual Studio Code</a>:

![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png)

* en <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a>:

#### 定义一个*路径操作装饰器*

```Python hl_lines="6"
{!../../docs_src/first_steps/tutorial001.py!}
```

`@app.get("/")` 告诉 **FastAPI** 在它下方的函数负责处理如下访问请求：

* 请求路径为 `/`
* 使用 <abbr title="HTTP GET 方法"><code>get</code> 操作</abbr>

/// info | "`@decorator` Info"

`@something` 语法在 Python 中被称为「装饰器」。

像一顶漂亮的装饰帽一样，将它放在一个函数的上方（我猜测这个术语的命名就是这么来的）。

装饰器接收位于其下方的函数并且用它完成一些工作。

    val groovySql = "$groovyGroup:groovy-sql"
    val groovyTemplates = "$groovyGroup:groovy-templates"
    val groovyTest = "$groovyGroup:groovy-test"
    val groovyXml = "$groovyGroup:groovy-xml"
    val gson = "com.google.code.gson:gson"
    val guava = "com.google.guava:guava"
    val h2Database = "com.h2database:h2"
    val hamcrest = "org.hamcrest:hamcrest"
    val hamcrestCore = "org.hamcrest:hamcrest-core"

  }

  /**
   * Promotes eligible calls from [readyAsyncCalls] to [runningAsyncCalls] and runs them on the
   * executor service. Must not be called with synchronization because executing calls can call
   * into user code.
   *
   * @return true if the dispatcher is currently running calls.
   */
  private fun promoteAndExecute(): Boolean {
    lock.assertNotHeld()

    val executableCalls = mutableListOf<AsyncCall>()

     * this file is open. This constant may be logically OR'd with other share
     * access flags.
     */
    static final int FILE_SHARE_DELETE = 0x04;
    /**
     * Default sharing mode for files
     */
    static final int DEFAULT_SHARING = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;

    /**
     * Returned by {@link jcifs.SmbResource#getType()} if the resource this <tt>SmbFile</tt>

 * been initially specified and repositories discovered in dependency POMs are recessively merged into the search chain.
 *
 * @see DefaultArtifactDescriptorReader
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
class DefaultModelResolver implements ModelResolver {

    private final RepositorySystemSession session;

    private final RequestTrace trace;

Just use any kind of model, any kind of class, any kind of database that you need for your application. **FastAPI** has you covered with the dependency injection system.

## Code size

This example might seem verbose. Keep in mind that we are mixing security, data models, utility functions and *path operations* in the same file.

But here's the key point.