import org.opensearch.action.admin.indices.alias.Alias;
import org.opensearch.action.admin.indices.alias.IndicesAliasesRequestBuilder;
import org.opensearch.action.admin.indices.alias.get.GetAliasesResponse;
import org.opensearch.action.admin.indices.create.CreateIndexResponse;
import org.opensearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.opensearch.action.admin.indices.get.GetIndexResponse;

                    logger.warn("Failed to rebuild config indices");
                }
            } catch (final Exception e) {
                logger.warn("Failed to rebuild config indices", e);
            } finally {
                coordinator.completeOperation("reindex_config");
            }
        }, "rebuild-config-indices").start();

        method.setAccessible(true);
        final List<String> indices = (List<String>) method.invoke(suggester, aliasName);

        assertNotNull("Indices list should not be null", indices);
        assertEquals("Should find exactly two indices", 2, indices.size());
        assertTrue("Should contain first index", indices.contains(index1));
        assertTrue("Should contain second index", indices.contains(index2));

        // Cleanup

    }

    /**
     * Prepares a stream search request builder with the given indices.
     *
     * @param indices The indices to search.
     * @return The stream search request builder.
     */
    @Override
    public SearchRequestBuilder prepareStreamSearch(final String... indices) {
        return prepareSearch(indices);
    }

    @Override

        assertTrue("Should have at least 2 indices before cleanup", beforeRemove.getIndices().length >= 2);

        // Remove orphaned indices
        suggester.removeDisableIndices();

        // After cleanup

import org.codelibs.fess.suggest.util.SuggestUtil;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction;
import org.opensearch.action.admin.indices.analyze.AnalyzeAction.AnalyzeToken;
import org.opensearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.opensearch.action.admin.indices.settings.get.GetSettingsResponse;
import org.opensearch.action.search.SearchResponse;

        assertTrue(result);
        // Only fess_config indices should be rebuilt (2 config indices: scheduled_job, access_token)
        // Each creates 2 indices (backup + rebuild) = 4 creates
        assertEquals("Only fess_config indices should be rebuilt", 4, testClient.createdIndices.size());
        // Verify no user/log indices were touched
        for (final String index : testClient.createdIndices) {

     * @return The index timeout.
     */
    public String getIndexTimeout() {
        return timeoutSettings.indexTimeout;
    }

    /**
     * Returns the indices timeout.
     * @return The indices timeout.
     */
    public String getIndicesTimeout() {
        return timeoutSettings.indicesTimeout;
    }

    /**
     * Returns the bulk timeout.
     * @return The bulk timeout.

import org.codelibs.fess.suggest.constants.FieldNames;
import org.codelibs.fess.suggest.exception.SuggestSettingsException;
import org.codelibs.fess.suggest.util.SuggestUtil;
import org.opensearch.action.admin.indices.create.CreateIndexResponse;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.common.xcontent.XContentFactory;
import org.opensearch.common.xcontent.XContentType;

                client.admin().indices().prepareCreate(TEST_INDEX).setSettings(indexSettings).execute().actionGet();

        assertTrue(createIndexResponse.isAcknowledged());

        // Create suggest settings index
        Settings suggestIndexSettings = Settings.builder().put("number_of_shards", 1).put("number_of_replicas", 0).build();