* governing permissions and limitations under the License.
 */
package org.codelibs.fess.filter;

import java.io.IOException;
import java.util.Arrays;
import java.util.Set;
import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;

    transient @Nullable T value;

    MemoizingSupplier(Supplier<T> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    @ParametricNullness
    // We set the field only once (during construction or deserialization).
    @SuppressWarnings("SynchronizeOnNonFinalField")
    public T get() {
      // A 2-field variant of Double Checked Locking.
      if (!initialized) {

		}
	}
	if a.Index == "" {
		return errors.New("empty index value")
	}

	if (a.Username == "" && a.Password != "") || (a.Username != "" && a.Password == "") {
		return errors.New("username and password should be set in pairs")
	}

	return nil
}

// ElasticsearchTarget - Elasticsearch target.
type ElasticsearchTarget struct {
	initOnce once.Init

	id         event.TargetID
	args       ElasticsearchArgs

import com.google.common.collect.testing.features.CollectionSize;
import java.lang.reflect.Method;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests add operations on a set. Can't be invoked directly; please see
 * {@link com.google.common.collect.testing.SetTestSuiteBuilder}.
 *
 * @author Kevin Bourrillion
 */
@GwtCompatible

import jcifs.Encodable;

/**
 * Base interface for File System Control Code (FSCC) file information structures.
 * Defines common functionality for various SMB2/SMB3 file information classes used in
 * query and set file information operations, with constants for information levels.
 *
 * @author mbechler
 */
public interface FileInformation extends Decodable, Encodable {

    // information levels

    /**

import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeSet;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Run collection tests on wrappers from {@link Multimaps}.
 *
 * @author Jared Levy
 */
@GwtIncompatible // suite // TODO(cpovirk): set up collect/gwt/suites version
@NullUnmarked

	}
	if (!r.Filter.Tag.IsEmpty() || len(r.Filter.And.Tags) != 0) && !r.DelMarkerExpiration.Empty() {
		return errInvalidRuleDelMarkerExpiration
	}
	if !r.Expiration.set && !r.Transition.set && !r.NoncurrentVersionExpiration.set && !r.NoncurrentVersionTransition.set && r.DelMarkerExpiration.Empty() {
		return errXMLNotWellFormed
	}
	return nil
}

// CloneNonTransition - returns a clone of the object containing non transition rules

   * suites?
   */

  /**
   * Returns the {@link Method} instances for the test methods in this class that create a set with
   * a "hole" in it so that set tests of {@code ContiguousSet} can suppress them with {@code
   * FeatureSpecificTestSuiteBuilder.suppressing()}.
   */
  /*

            Smb2EchoRequest request = new Smb2EchoRequest(mockConfig);
            assertNotNull(request);

            // Verify command is set to SMB2_ECHO (0x000D)
            assertEquals(0x000D, request.getCommand());

            // Verify configuration is set
            Field configField = ServerMessageBlock2.class.getDeclaredField("config");
            configField.setAccessible(true);

	}

	// Compute net policy change effect and updated policy mapping
	existingPolicySet := mp.policySet()
	policiesToUpdate := set.CreateStringSet(policies...)
	var newPolicySet set.StringSet
	newPolicyMapping := mp
	if isAttach {
		// new policies to attach => inputPolicies - existing (set difference)
		policiesToUpdate = policiesToUpdate.Difference(existingPolicySet)
		// validate that new policies to add are defined.