<Multi-Release>true</Multi-Release>
            </manifestEntries>
          </archive>
          <excludes>
            <exclude>/module-info.class</exclude>
            <exclude>META-INF/versions/9/com/google/common/util/concurrent/internal/*.class</exclude>
          </excludes>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-source-plugin</artifactId>
      </plugin>

import java.util.Set;
import java.util.SortedMap;
import org.jspecify.annotations.Nullable;

/**
 * Skeletal implementation of {@link NavigableMap}.
 *
 * @author Louis Wasserman
 */
@GwtIncompatible
abstract class AbstractNavigableMap<K extends @Nullable Object, V extends @Nullable Object>
    extends IteratorBasedAbstractMap<K, V> implements NavigableMap<K, V> {

  @Override
  public abstract @Nullable V get(@Nullable Object key);

# 模板

**FastAPI** 支持多种模板引擎。

Flask 等工具使用的 Jinja2 是最用的模板引擎。

在 Starlette 的支持下，**FastAPI** 应用可以直接使用工具轻易地配置 Jinja2。

## 安装依赖项

安装 `jinja2`：

<div class="termy">

```console
$ pip install jinja2

---> 100%
```

</div>

## 使用 `Jinja2Templates`

* 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

    private static final long serialVersionUID = 1L;
    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================
    //                                                                           Attribute

    private static final long serialVersionUID = 1L;
    protected static final Class<?> suppressUnusedImportLocalDateTime = LocalDateTime.class;

    // ===================================================================================
    //                                                                           Attribute

import jakarta.annotation.Resource;

/**
 * Service class for managing character mapping operations.
 * <p>
 * This service handles character mapping management including CRUD operations
 * and list retrieval. Character mappings are used for text normalization
 * and character substitution during document processing and search operations.
 * </p>
 */
public class CharMappingService {

    /**

import jakarta.annotation.Resource;

/**
 * Service class for managing job logs in the Fess application.
 * Provides functionality to create, read, update, and delete job log entries,
 * as well as manage job status and perform cleanup operations.
 */
public class JobLogService {

    /**
     * Behavior class for job log database operations.
     */
    @Resource
    protected JobLogBhv jobLogBhv;

  public void testRemoveNullValueForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().remove(k0(), null));
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testRemoveNullKeyForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().remove(null, v0()));
    expectUnchanged();
  }

import java.util.Properties;

import org.apache.maven.impl.util.Os;
import org.apache.maven.jline.MessageUtils;
import org.slf4j.Logger;

/**
 * Utility class used to report errors, statistics, application version info, etc.
 *
 */
public final class CLIReportingUtils {
    // CHECKSTYLE_OFF: MagicNumber
    public static final long MB = 1024 * 1024;

    private static final long ONE_SECOND = 1000L;

  public void testRemoveNullValueForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().remove(k0(), null));
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testRemoveNullKeyForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().remove(null, v0()));
    expectUnchanged();
  }