import org.opensearch.index.query.QueryBuilder;
import org.opensearch.search.SearchHit;

/**
 * Helper class for scroll-based search operations in OpenSearch.
 * Centralizes scroll logic to reduce code duplication across settings and indexer classes.
 *
 * <p>This class provides methods to perform scroll-based searches with different processing patterns:
 * <ul>

        return queue.poll();
    }

    @Override
    public void close() {
        isFinished.set(true);
        queue.clear();
    }

    /**
     * Sets the scroll size.
     * @param scrollSize The scroll size.
     */
    public void setScrollSize(final int scrollSize) {
        this.scrollSize = scrollSize;
    }

    /**
     * Sets the limit of document size.

        this.clusterTimeout = timeout;
    }

    /**
     * Gets the scroll timeout.
     * @return The scroll timeout.
     */
    public String getScrollTimeout() {
        return scrollTimeout;
    }

    /**
     * Sets the scroll timeout.
     * @param timeout The scroll timeout.
     */
    public void setScrollTimeout(final String timeout) {

        }

        // Verify that the scroll method exists with correct signature
        try {
            SearchEngineUtil.class.getMethod("scroll", String.class, java.util.function.Function.class);
        } catch (NoSuchMethodException e) {
            fail("scroll method should exist with correct signature");
        }
    }

    @Test

    /**
     * Flag indicating whether the client is connected.
     */
    private volatile boolean connected;

    /**
     * Scroll for delete operations.
     */
    protected Scroll scrollForDelete = new Scroll(TimeValue.timeValueMinutes(1));

    /**
     * Size for delete operations.
     */
    protected int sizeForDelete = 10;

    /**

        this.index = index;
    }

    /**
     * Gets the scroll timeout in milliseconds.
     *
     * @return The scroll timeout.
     */
    public int getScrollTimeout() {
        return scrollTimeout;
    }

    /**
     * Sets the scroll timeout.
     * @param scrollTimeout The scroll timeout.
     */
    public void setScrollTimeout(final int scrollTimeout) {

    }

    /**
     * Prepares a clear scroll request builder.
     *
     * @return the clear scroll request builder
     */
    @Override
    public ClearScrollRequestBuilder prepareClearScroll() {
        return client.prepareClearScroll();
    }

    /**
     * Clears scroll contexts asynchronously.
     *
     * @param request the clear scroll request

        when(mockSearchResponse.getScrollId()).thenReturn("scroll1", "scroll1");
        when(mockSearchResponse.getHits()).thenReturn(mockSearchHits);
        when(mockSearchHits.getHits()).thenReturn(new SearchHit[] { mockHit }, new SearchHit[0]);
        when(mockHit.getIndex()).thenReturn("test-index");
        when(mockHit.getId()).thenReturn("doc1");

        // Setup scroll response (empty on second call)

        }

        return true;
    }

    /**
     * Deletes the scroll context associated with the given scroll ID.
     *
     * @param client the OpenSearch client used to clear the scroll context
     * @param scrollId the ID of the scroll context to be deleted; if null, no action is taken
     */

            docIds.addAll(resultIds);
            Map<String, Object> scrollBody = new HashMap<>();
            scrollBody.put("scroll", "1m");
            scrollBody.put("scroll_id", scrollId);
            response = given().contentType("application/json").body(scrollBody).get(getEsUrl() + "/_search/scroll");
            jsonPath = JsonPath.from(response.asString());
        }

        for (String docId : docIds) {