* Provides functionality for setting and retrieving objects from request attributes,
 * error handling, and validation in web API context.
 */
public final class WebApiUtil {

    /**
     * Request attribute key for storing web API exceptions.
     */
    private static final String WEB_API_EXCEPTION = "webApiException";

    /**
     * Private constructor to prevent instantiation.
     */
    private WebApiUtil() {
    }

/**
 * Represents a hierarchical trace of nested requests within a session, enabling correlation between
 * session events and their originating operations in the application code. The trace structure
 * supports the following key features:
 *
 * <ul>
 *   <li>Maintains parent-child relationships between requests to track operation nesting</li>
 *   <li>Carries contextual data describing the current request or operation</li>

labels.reqheader_value=Value
labels.reqheader_web_crawling_config=Web Config
labels.key_match_configuration=Key Match
labels.key_match_list_term=Term
labels.key_match_list_query=Query
labels.key_match_term=Term
labels.key_match_query=Query
labels.key_match_size=Size
labels.key_match_boost=Boost
labels.key_match_urls=URLs
labels.key_match_title_details=Key Match
labels.design_configuration=Page Design
labels.design_title_file_upload=File to Upload

///

/// info

In diesem Beispiel verwenden wir zwei erfundene benutzerdefinierte Header `X-Key` und `X-Token`.

### Key Features

- **Multi-Protocol Support**: HTTP/HTTPS, File System, FTP, SMB/CIFS, Cloud Storage (MinIO, S3)
- **Comprehensive Content Extraction**: Office documents, PDFs, archives, images, audio/video files

   * @throws UnsupportedOperationException always
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public @Nullable B put(TypeToken<? extends @NonNull B> key, @ParametricNullness B value) {
    throw new UnsupportedOperationException("Please use putInstance() instead.");
  }

  /**
   * Not supported. Use {@link #putInstance} instead.
   *

    /**
     * Gets the last file name in the response.
     *
     * @return the lastName
     */
    public final String getLastName() {
        return this.lastName;
    }

    /**
     * Gets the resume key for continuing the search.
     *
     * @return the resumeKey
     */
    public final int getResumeKey() {
        return this.resumeKey;
    }

    @Override

        maxParameterCount = 8;
        maxDataCount = 16384;
        maxSetupCount = (byte) 0x00;
        setupCount = 0;
        timeout = 5000;
    }

    @Override
    void reset(final int key, final String lastName) {
        super.reset();
        this.lastName = lastName;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

		t.Fatalf("expected err: %v got err: %v", gorm.ErrDuplicatedKey, err)
	}
}

func TestSupportedDialectorWithErrForeignKeyViolated(t *testing.T) {
	tidbSkip(t, "not support the foreign key feature")

	type City struct {
		gorm.Model
		Name string `gorm:"unique"`
	}

	type Museum struct {
		gorm.Model
		Name   string `gorm:"unique"`
		CityID uint

        setRequestedOplockLevel(SMB2_OPLOCK_LEVEL_LEASE);
    }

    /**
     * Add a lease V2 context to this request
     * @param leaseKey the lease key
     * @param requestedState the requested lease state
     * @param parentLeaseKey the parent lease key (can be null)
     * @param epoch the lease epoch
     */