* <pre>
 * {@code
 * Client client = ...;
 * Map<String, Object> initialSettings = ...;
 * SuggestSettings.TimeoutSettings timeoutSettings = new SuggestSettings.TimeoutSettings();
 * SuggestSettings suggestSettings = new SuggestSettings(client, "settingsId", initialSettings, "settingsIndexName", timeoutSettings);
 * suggestSettings.init();
 * }
 * </pre>
 *
 * <p>Key methods:</p>
 * <ul>

 * <ul>
 * <li>{@link #scrollSearch(Client, SuggestSettings, String, QueryBuilder, int, HitProcessor)} - Collects results into a list</li>
 * <li>{@link #scrollSearchWithCallback(Client, SuggestSettings, String, QueryBuilder, int, Consumer)} - Processes each hit individually</li>
 * <li>{@link #scrollSearchWithBatchCallback(Client, SuggestSettings, String, QueryBuilder, int, BiConsumer)} - Processes hits in batches</li>
 * </ul>

    }

    @Override
    public SuggestWriterResult write(final Client client, final SuggestSettings settings, final String index, final SuggestItem[] items,
            final boolean update) {
        throw new UnsupportedOperationException("not yet.");
    }

    @Override
    public SuggestWriterResult delete(final Client client, final SuggestSettings settings, final String index, final String id) {

     * @param settings The SuggestSettings instance.
     * @param indexName The name of the index to read from.
     */
    public ESSourceReader(final Client client, final SuggestSettings settings, final String indexName) {
        this.client = client;
        this.settings = settings;
        this.indexName = indexName;
        supportedFields = settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS);

        return this;
    }

    /**
     * Builds a SuggestSettings instance.
     * @param client The OpenSearch client.
     * @param id The ID.
     * @return A SuggestSettings instance.
     */
    public SuggestSettings build(final Client client, final String id) {
        return new SuggestSettings(client, id, initialSettings, settingsIndexName, timeoutSettings);
    }

    @Test
    public void testBuildMultipleInstances() {
        // Test that multiple SuggestSettings can be built from the same builder
        builder.setSettingsIndexName("MULTI_INDEX").addInitialSettings("multi.key", "multiValue").scrollTimeout("25s");

        SuggestSettings settings1 = builder.build(client, "id1");
        SuggestSettings settings2 = builder.build(client, "id2");

        assertNotNull(settings1);

import org.codelibs.fess.suggest.converter.ReadingConverter;
import org.codelibs.fess.suggest.exception.SuggesterException;
import org.codelibs.fess.suggest.normalizer.Normalizer;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.codelibs.fess.suggest.settings.SuggestSettingsBuilder;
import org.codelibs.fess.suggest.util.SuggestUtil;
import org.opensearch.transport.client.Client;

/**

import org.codelibs.fess.suggest.normalizer.Normalizer;
import org.codelibs.fess.suggest.normalizer.NormalizerChain;
import org.codelibs.fess.suggest.settings.AnalyzerSettings;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.delete.DeleteRequest;
import org.opensearch.action.search.SearchResponse;

        settings.set(SuggestSettings.DefaultKeys.INDEX, indexName);

        SuggestSettings anotherSettingsInstance = SuggestSettings.builder().build(runner.client(), id + "-2");
        anotherSettingsInstance.init();
        assertNotSame(indexName, anotherSettingsInstance.getAsString(SuggestSettings.DefaultKeys.INDEX, ""));
        assertEquals("settings-test-2.suggest", anotherSettingsInstance.getAsString(SuggestSettings.DefaultKeys.INDEX, ""));
    }

import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;

import org.codelibs.fess.suggest.Suggester;
import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.opensearch.action.bulk.BulkRequestBuilder;