# Query Parameter Models { #query-parameter-models }

If you have a group of **query parameters** that are related, you can create a **Pydantic model** to declare them.

This would allow you to **re-use the model** in **multiple places** and also to declare validations and metadata for all the parameters at once. 😎

/// note

This is supported since FastAPI version `0.115.0`. 🤓

///

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.convert;

/**
 * Utility class for conversions related to {@link Boolean}.
 *
 * @author higa
 */
public abstract class BooleanConversionUtil {

    /**
     * Do not instantiate.
     */
    protected BooleanConversionUtil() {
    }

    /**

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb;

/**
 * The <code>SmbAuthException</code> encapsulates the variety of
 * authentication related error codes returned by an SMB server.
 * <p>
 * See <a href="../../../authhandler.html">jCIFS Exceptions and NtlmAuthenticator</a> for more information about
 * <code>SmbAuthException</code>.
 */

import jakarta.validation.constraints.Pattern;

/**
 * Form for uploading design files to customize the appearance of the Fess search interface.
 * This form is used in the admin interface to upload CSS, JSP, and other design-related files
 * that customize the look and feel of the search application.
 */
public class UploadForm {

    /**
     * The multipart file containing design resources to be uploaded.

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * Exception thrown when theme-related operations fail.
 * This exception is used for errors during theme installation, uninstallation, or configuration.
 */
public class ThemeException extends FessSystemException {

    }

    @Test
    public void test_getRelatedQueries_nullQuery() {
        List<RelatedQuery> testData = new ArrayList<>();
        testData.add(createRelatedQuery("test", new String[] { "related" }, ""));
        mockBhv.setTestData(testData);

        relatedQueryHelper.load();

        String[] results = relatedQueryHelper.getRelatedQueries(null);
        assertEquals(0, results.length);
    }

related settlement negotiations. The Indemnified Contributor may
participate in any such claim at its own expense.

For example, a Contributor might include the Program in a commercial
product offering, Product X. That Contributor is then a Commercial
Contributor. If that Commercial Contributor then makes performance
claims, or offers warranties related to Product X, those performance

  Documentation
  -------------

  The most up-to-date documentation can be found at https://maven.apache.org/.

  Release Notes
  -------------

  The full list of changes, system requirements and related can be found at https://maven.apache.org/docs/history.html.

  Installing Maven
  ----------------

  For complete documentation see https://maven.apache.org/download.html#Installation

  Licensing
  ---------

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven;

/**
 * Signals that the user referenced one or more Maven profiles that could not be located in either the project or the
 * settings.
 */
public class MissingProfilesException extends Exception {
    public MissingProfilesException(String message) {
        super(message);
    }

 *
 * This exception is used to indicate various SSO authentication failures
 * including configuration errors, authentication token validation failures,
 * communication issues with SSO providers, and other SSO-related problems.
 */
public class SsoLoginException extends FessSystemException {

    /** Serial version UID for serialization compatibility. */
    private static final long serialVersionUID = 1L;

    /**