```Python hl_lines="9"
{!../../docs_src/query_params_str_validations/tutorial009.py!}
```

## 弃用参数

现在假设你不再喜欢此参数。

你不得不将其保留一段时间，因为有些客户端正在使用它，但你希望文档清楚地将其展示为<abbr title ="已过时，建议不要使用它">已弃用</abbr>。

那么将参数 `deprecated=True` 传入 `Query`：

```Python hl_lines="18"
{!../../docs_src/query_params_str_validations/tutorial010.py!}
```

文档将会像下面这样展示它：

        }
    }


    @Override
    public void logon ( CIFSContext tf, Address dc ) throws SmbException {
        logon(tf, dc, 0);
    }


    @Override
    @Deprecated
    public void logon ( CIFSContext tf, Address dc, int port ) throws SmbException {
        try ( SmbTransportInternal smbTransport = tf.getTransportPool().getSmbTransport(tf, dc, port, false, tf.getConfig().isIpcSigningEnforced())

  // * topology.kubernetes.io/region: the value indicates the region where the
  //   endpoint is located. This should match the corresponding node label.
  // This field is deprecated and will be removed in future api versions.
  // +optional
  map<string, string> topology = 5;

  // nodeName represents the name of the Node hosting this endpoint. This can

  // For example, a health check error code.
  // +optional
  optional string error = 4;
}

// ComponentStatus (and ComponentStatusList) holds the cluster validation info.
// Deprecated: This API is deprecated in v1.19+
message ComponentStatus {
  // Standard object's metadata.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional

        ? (Ordering<T>) comparator
        : new ComparatorOrdering<T>(comparator);
  }

  /**
   * Simply returns its argument.
   *
   * @deprecated no need to use this
   */
  @GwtCompatible(serializable = true)
  @Deprecated
  public static <T extends @Nullable Object> Ordering<T> from(Ordering<T> ordering) {
    return checkNotNull(ordering);
  }

  /**

 * on an SMB network like one might with Network Neighborhood or Windows
 * Explorer. The users credentials with be negotiated using NTLM SSP if
 * the client is Microsoft Internet Explorer.
 * 
 * @deprecated Unsupported
 */
@Deprecated
public class NetworkExplorer extends HttpServlet {

    /**
     * 
     */
    private static final long serialVersionUID = -3847521461674504364L;

 * TODO I think this exposes a design flaw in that the immutable and mutable parts of an artifact are in one class and
 * should be split. ie scope, file, etc depend on the context of use, whereas everything else is immutable.
 */
@Deprecated
public class ActiveProjectArtifact implements Artifact {
    private final Artifact artifact;

    private final MavenProject project;

    public ActiveProjectArtifact(MavenProject project, Artifact artifact) {

import org.junit.jupiter.api.Test;

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

/**
 *
 *
 */
@PlexusTest
@Deprecated
class DefaultGraphConflictResolverTest {
    @Inject
    GraphConflictResolver resolver;

    MetadataGraph graph;

    MetadataGraphVertex v1;
    MetadataGraphVertex v2;
    MetadataGraphVertex v3;

        return getPathPrefix(path) + name;
    }

    @Deprecated
    protected static String urlEncode(final String str) {
        if (str == null) {
            return StringUtil.EMPTY;
        }
        return URLEncoder.encode(str, Constants.UTF_8_CHARSET);
    }

    @Deprecated
    protected static String urlDecode(final String str) {
        if (str == null) {

import org.apache.maven.settings.Server;

/**
 * A resolution request allows you to either use an existing MavenProject, or a coordinate (gid:aid:version)
 * to process a POMs dependencies.
 *
 */
@Deprecated
public class ArtifactResolutionRequest implements RepositoryRequest {
    private static final String LS = System.lineSeparator();

    private Artifact artifact;

    // Needs to go away