import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.util.concurrent.Service.State;

/**
 * Superinterface of {@link ServiceManager} to introduce a bridge method for {@code
 * servicesByState()}, to ensure binary compatibility with older Guava versions that specified

        try {
            // Create DCE/RPC handle for witness service
            String rpcUrl = buildWitnessRpcUrl(serverAddress);
            this.rpcHandle = DcerpcHandle.getHandle(rpcUrl, context);
            this.rpcHandle.bind();
            this.connected = true;

            log.debug("Connected to witness service at {}", serverAddress.getHostAddress());
        } catch (Exception e) {

import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.app.pager.ReqHeaderPager;
import org.codelibs.fess.app.service.RequestHeaderService;
import org.codelibs.fess.app.service.WebConfigService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.api.ApiResult;
import org.codelibs.fess.app.web.api.ApiResult.ApiConfigResponse;

import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.app.pager.WebAuthPager;
import org.codelibs.fess.app.service.WebAuthenticationService;
import org.codelibs.fess.app.service.WebConfigService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.api.ApiResult;
import org.codelibs.fess.app.web.api.ApiResult.ApiConfigResponse;

 * service type, and DFS information for the connected share.
 *
 * @author mbechler
 */
public interface TreeConnectResponse extends CommonServerMessageBlockResponse {

    /**
     * Returns the tree identifier (TID) assigned to this tree connection.
     *
     * @return tree id
     */
    int getTid();

    /**

### Use cases: external service { #use-cases-external-service }

An example could be that you have an external authentication provider that you need to call.

You send it a token and it returns an authenticated user.

		if scred.ParentUser != parentUser {
			return updatedAt, fmt.Errorf("%w: the service account access key is taken by another user", errIAMServiceAccountNotAllowed)
		}
		return updatedAt, fmt.Errorf("%w: the service account access key already taken", errIAMServiceAccountNotAllowed)
	}

	// Parent user must not be a service account.
	if u, found := cache.iamUsersMap[parentUser]; found && u.Credentials.IsServiceAccount() {

import java.util.concurrent.Callable;
import org.jspecify.annotations.Nullable;

/**
 * A listening executor service which forwards all its method calls to another listening executor
 * service. Subclasses should override one or more methods to modify the behavior of the backing
 * executor service as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.service;

import static org.codelibs.core.stream.StreamUtil.stream;

import java.util.List;

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.GroupPager;

import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing request headers used in web crawling configurations.
 * This service provides CRUD operations for request headers that are applied
 * during web crawling to configure HTTP request behavior.
 *
 */
public class RequestHeaderService {

    /**