suggester.indexer().addElevateWord(elevateWord, true);
        suggester.refresh();

        Thread.sleep(1000);
        ZonedDateTime threshold = ZonedDateTime.now();
        Thread.sleep(1000);

        suggester.indexer().indexFromDocument(new Map[] { Collections.singletonMap(field, (Object) "検索エンジン") });

package com.google.common.collect.testing;

import static com.google.common.collect.testing.Helpers.entryComparator;
import static java.lang.Math.max;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonMap;
import static java.util.Collections.sort;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import static java.util.Collections.singletonMap;

public class GradleUserManualPlugin implements Plugin<Project> {

    public static final String DOCS_GRADLE_ORG = "https://docs.gradle.org/";

    @Override
    public void apply(Project project) {

    // It's a token68 because there isn't a value after it.
    if (!commaPrefixed && (commaSuffixed || exhausted())) {
      result.add(
        Challenge(
          schemeName,
          Collections.singletonMap<String, String>(null, peek + "=".repeat(eqCount)),
        ),
      )
      peek = null
      continue
    }

    // It's a series of parameter names and values.

package com.google.common.collect.testing;

import static com.google.common.collect.testing.Helpers.entryComparator;
import static java.lang.Math.max;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonMap;
import static java.util.Collections.sort;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;

import static java.util.Arrays.asList;
import static java.util.Collections.emptyMap;
import static java.util.Collections.emptySet;
import static java.util.Collections.singleton;
import static java.util.Collections.singletonMap;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.Maps.newTreeMap;
import static java.util.Collections.singletonMap;
import static java.util.Collections.unmodifiableSortedMap;

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Map;

    public ClassRealm createExtensionRealm(Plugin plugin, List<Artifact> artifacts) {
        Objects.requireNonNull(plugin, "plugin cannot be null");

        Map<String, ClassLoader> foreignImports = Collections.singletonMap("", getMavenApiRealm());

        return createRealm(
                getKey(plugin, true), RealmType.Extension, PARENT_CLASSLOADER, null, foreignImports, artifacts);
    }

import static java.util.Arrays.asList;
import static java.util.Collections.emptyMap;
import static java.util.Collections.emptySet;
import static java.util.Collections.singleton;
import static java.util.Collections.singletonMap;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;

    }

    private ArtifactResolutionResult collect(ArtifactSpec a, Artifact managedVersion)
            throws ArtifactResolutionException {
        Map<String, Artifact> managedVersions =
                Collections.singletonMap(managedVersion.getDependencyConflictId(), managedVersion);
        return artifactCollector.collect(
                Collections.singleton(a.artifact),
                projectArtifact.artifact,