import org.codelibs.fess.helper.PopularWordHelper;
import org.codelibs.fess.helper.ProcessHelper;
import org.codelibs.fess.helper.ProtocolHelper;
import org.codelibs.fess.helper.QueryHelper;
import org.codelibs.fess.helper.RelatedContentHelper;
import org.codelibs.fess.helper.RelatedQueryHelper;
import org.codelibs.fess.helper.RoleQueryHelper;
import org.codelibs.fess.helper.SambaHelper;

	</component>
	<component name="relatedContentHelper" class="org.codelibs.fess.helper.RelatedContentHelper">
	</component>
	<component name="relatedQueryHelper" class="org.codelibs.fess.helper.RelatedQueryHelper">
	</component>
	<component name="pluginHelper" class="org.codelibs.fess.helper.PluginHelper">
	</component>
	<component name="searchHelper" class="org.codelibs.fess.helper.SearchHelper">
	</component>

            System.clearProperty(Constants.FESS_CONFIG_PREFIX + arrayKey);
        }
    }

    // Test property key with dots
    public void test_get_propertyKeyWithDots() {
        String dottedKey = "deeply.nested.property.key";
        String dottedValue = "nested-value";

        System.setProperty(Constants.FESS_CONFIG_PREFIX + dottedKey, dottedValue);

        try {

import java.util.Objects;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link Closer}.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CloserTest extends TestCase {

  private TestSuppressor suppressor;

  @Override
  protected void setUp() throws Exception {
    suppressor = new TestSuppressor();
  }

            }
        }
    }
}
```

### Custom OpenAPI *path operation* schema { #custom-openapi-path-operation-schema }

The dictionary in `openapi_extra` will be deeply merged with the automatically generated OpenAPI schema for the *path operation*.

So, you could add additional data to the automatically generated schema.

import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArraySet;
import org.jspecify.annotations.Nullable;

/**
 * Registry of subscribers to a single event bus.
 *
 * @author Colin Decker
 */
final class SubscriberRegistry {

  /**
   * All registered subscribers, indexed by event type.
   *
   * <p>The {@link CopyOnWriteArraySet} values make it easy and relatively lightweight to get an

	</component>
	<component name="indexingHelper" class="org.codelibs.fess.helper.IndexingHelper">
	</component>
	<component name="notificationHelper" class="org.codelibs.fess.helper.NotificationHelper">
	</component>
	<component name="pathMappingHelper" class="org.codelibs.fess.helper.PathMappingHelper">
	</component>
	<component name="permissionHelper" class="org.codelibs.fess.helper.PermissionHelper">

      void addEntries(MoreObjects.ToStringHelper helper) {
        helper
            .add(SHORT_NAME, 10)
            .addValue(10L)
            .add(SHORT_NAME, 3.14f)
            .addValue(3.14d)
            .add(LONG_NAME, false)
            .add(LONG_NAME, LONG_NAME);
      }
    },
    CONDITIONAL {
      @Override
      void addEntries(MoreObjects.ToStringHelper helper) {
        helper
            .add(SHORT_NAME, "x")

 *
 * <p>Example usage:</p>
 *
 * <pre>{@code
 * UrlConvertHelper helper = new UrlConvertHelper();
 * helper.add("old-domain.com", "new-domain.com");
 * String convertedUrl = helper.convert("http://old-domain.com/path");
 * // convertedUrl will be "http://new-domain.com/path"
 * }</pre>
 */
/**
 * This class is a helper for URL conversion.
 */
public class UrlConvertHelper {

    /**

	<component name="labelTypeHelper" class="org.codelibs.fess.helper.LabelTypeHelper">
	</component>
	<component name="webFsIndexHelper" class="org.codelibs.fess.helper.WebFsIndexHelper">
	</component>
	<component name="dataIndexHelper" class="org.codelibs.fess.helper.DataIndexHelper">
	</component>
	<component name="duplicateHostHelper" class="org.codelibs.fess.helper.DuplicateHostHelper">
	</component>