- [ ] Run `mvn dbflute:freegen` to regenerate Java classes
- [ ] Run `mvn clean package` to rebuild project
- [ ] Test language selection in admin UI
- [ ] (Optional) Configure OpenSearch analyzers in `fess.json`
- [ ] (Optional) Add custom dictionaries for search analysis
- [ ] Verify all UI pages display correctly in new language
- [ ] Test error messages and form validation

      return new Chopper() {
        @Override
        Optional<String> chop(String str) {
          return i.chop(str).or(you.chop(str));
        }
      };
    }

    abstract Optional<String> chop(String str);

    static Chopper suffix(String suffix) {
      return new Chopper() {
        @Override
        Optional<String> chop(String str) {
          if (str.endsWith(suffix)) {

        void shouldBeApplicableWhenPluginsOptionTrue() {
            UpgradeOptions options = mock(UpgradeOptions.class);
            when(options.plugins()).thenReturn(Optional.of(true));
            when(options.all()).thenReturn(Optional.empty());

            UpgradeContext context = createMockContext(options);

            assertTrue(strategy.isApplicable(context), "Strategy should be applicable when --plugins is true");

    }

    public Stream<BuildStep> steps(MavenProject project) {
        return Optional.ofNullable(plan.get(project))
                .map(m -> m.values().stream())
                .orElse(Stream.empty());
    }

    public Optional<BuildStep> step(MavenProject project, String name) {
        return Optional.ofNullable(plan.get(project)).map(m -> m.get(name));
    }

			Type:        "number",
			Description: `set the number of transition workers` + defaultHelpPostfix(transitionWorkers),
			Optional:    true,
		},
		config.HelpKV{
			Key:         expirationWorkers,
			Type:        "number",
			Description: `set the number of expiration workers` + defaultHelpPostfix(expirationWorkers),
			Optional:    true,
		},
	}

      </dependency>
      <dependency>
        <groupId>maven-test</groupId>
        <artifactId>t07-d</artifactId>
        <version>1.0</version>
        <scope>test</scope>
        <optional>false</optional>
      </dependency>
    </dependencies>
  </dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>maven-test</groupId>
      <artifactId>t07-a</artifactId>
      <version>1.0</version>

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api;

import java.util.Optional;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.model.PluginExecution;
import org.apache.maven.api.plugin.descriptor.MojoDescriptor;

from typing import Optional, Union

from fastapi import FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: Optional[str] = None


class OtherItem(BaseModel):
    price: int


@app.post("/items/")
def save_union_body(item: Union[OtherItem, Item]):
    return {"item": item}


client = TestClient(app)

import org.codelibs.fess.opensearch.config.exentity.WebConfig;
import org.codelibs.fess.util.ParameterUtil;
import org.dbflute.cbean.result.ListResultBean;
import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing web crawling configurations.
 * Provides CRUD operations for web configuration settings including

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

import org.dbflute.optional.OptionalEntity;

/**
 * Utility class for Optional operations.
 */
public class OptionalUtil {

    /**
     * Default constructor.
     */
    private OptionalUtil() {
        // Default constructor
    }

    /**