public void error() {
            this.errorCode = -1;
        }

        @Override
        public Long getExpiration() {
            return expiration;
        }

        @Override
        public void setExpiration(Long exp) {
            this.expiration = exp;
        }

        @Override
        public Exception getException() {
            return exception;
        }

        @Override

import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Job for purging expired documents from the search index.
 * This job removes documents that have passed their expiration time based on the expires field.
 * It helps maintain the search index by cleaning up outdated content automatically.
 */
public class PurgeDocJob {

    /** Logger instance for this class */

    private static final DfsReferralDataImpl NEGATIVE_ENTRY = new DfsReferralDataImpl();

    private static class CacheEntry<T> {

        long expiration;
        Map<String, T> map;

        CacheEntry(final long ttl) {
            this.expiration = System.currentTimeMillis() + ttl * 1000L;
            this.map = new ConcurrentHashMap<>();
        }
    }

    class InheritedMethodsTests {

        @Test
        @DisplayName("Should get expiration")
        void testGetExpiration() {
            long expiration = System.currentTimeMillis() + 60000;

            // Test with mock
            when(mockReferralData.getExpiration()).thenReturn(expiration);
            assertEquals(expiration, mockReferralData.getExpiration());
            verify(mockReferralData, times(1)).getExpiration();

     */
    public void setMaxCacheSize(final long maxCacheSize) {
        this.maxCacheSize = maxCacheSize;
    }

    /**
     * Sets the cache expiration time after write in milliseconds.
     *
     * @param cacheExpireAfterWrite the expiration time in milliseconds
     */
    public void setCacheExpireAfterWrite(final long cacheExpireAfterWrite) {
        this.cacheExpireAfterWrite = cacheExpireAfterWrite;
    }

        try {
            response_map.put(request, response);
            doSend(request);
            response.expiration = System.currentTimeMillis() + timeout;
            while (!response.isReceived) {
                wait(timeout);
                timeout = response.expiration - System.currentTimeMillis();
                if (timeout <= 0) {

        private final long expiration;

        /**
         * Constructs StateData with nonce and expiration.
         * @param nonce The nonce value.
         * @param expiration The expiration timestamp.
         */
        public StateData(final String nonce, final long expiration) {
            this.nonce = nonce;
            this.expiration = expiration;
        }

        /**

     * The name or description of the crawling session.
     * This is an optional descriptive field with a maximum length of 20 characters.
     */
    @Size(max = 20)
    public String name;

    /**
     * The expiration time for the crawling session.
     * This field indicates when the crawling session should expire or be cleaned up.
     */
    public String expiredTime;

    /**

        this.namespace = namespace;
        return this;
    }

    /**
     * Sets the document expiration period in days.
     * Controls how long crawled documents remain in the search index.
     *
     * @param documentExpires the expiration period: -2 (system default), -1 (never expire),
     *                       0 or positive (expire after specified days)

    void testGetExpiration() {
        SmbSessionImpl session = newSession();
        assertNull(session.getExpiration());
        setField(session, "expiration", 123L);
        assertEquals(123L, session.getExpiration());
        setField(session, "expiration", 0L);
        assertNull(session.getExpiration());
    }

    @Test
    @DisplayName("connection and failure status delegate to transport")