final boolean hasRelevantResults) {
        this.relevantDocIds = relevantDocIds != null ? Collections.unmodifiableList(relevantDocIds) : Collections.emptyList();
        this.relevantIndexes = relevantIndexes != null ? Collections.unmodifiableList(relevantIndexes) : Collections.emptyList();
        this.hasRelevantResults = hasRelevantResults;
    }

    /**
     * Returns the list of relevant document IDs.

        userResult.setToolchains(Collections.singletonList(toolchain));

        props = new Properties();
        props.put("key", "global_value");
        toolchain = new ToolchainModel();
        toolchain.setType("TYPE");
        toolchain.setProvides(props);
        PersistedToolchains globalResult = new PersistedToolchains();
        globalResult.setToolchains(Collections.singletonList(toolchain));

        final Set<String> merged = new LinkedHashSet<>();

        if (array1 != null) {
            Collections.addAll(merged, array1);
        }

        if (array2 != null) {
            Collections.addAll(merged, array2);
        }

        return merged.toArray(new String[merged.size()]);
    }

    /**

            return "test query";
        }

        @Override
        public Map<String, String[]> getFields() {
            return Collections.emptyMap();
        }

        @Override
        public Map<String, String[]> getConditions() {
            return Collections.emptyMap();
        }

        @Override
        public String[] getLanguages() {
            return new String[0];
        }

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

import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.DefaultLifecycles;

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

import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Objects;

import org.apache.maven.api.ProducedArtifact;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Experimental;

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

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;
import static java.util.Collections.emptySet;
import static java.util.Collections.singletonList;
import static java.util.Collections.unmodifiableList;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.features.CollectionFeature;

import static java.util.Arrays.asList;
import static java.util.Collections.emptyList;
import static java.util.Collections.emptySet;
import static java.util.Collections.singletonList;
import static java.util.Collections.unmodifiableList;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.testing.features.CollectionFeature;

 *
 * <p>For example, to test {@link java.util.Collections#unmodifiableList(java.util.List)
 * Collections.unmodifiableList}'s iterator:
 *
 * {@snippet :
 * List<String> expectedElements = Arrays.asList("a", "b", "c", "d", "e");
 * List<String> actualElements =
 *     Collections.unmodifiableList(Arrays.asList("a", "b", "c", "d", "e"));
 * IteratorTester<String> iteratorTester =