* </ul>
 *
 * @see Request
 * @see PopularWordsResponse
 */
public class PopularWordsRequest extends Request<PopularWordsResponse> {
    /**
     * Constructs a new popular words request.
     */
    public PopularWordsRequest() {
        // nothing
    }

    private String index = null;

    private int size = 10;

import org.opensearch.transport.client.Client;

/**
 * Builder for creating a {@link PopularWordsRequest} to fetch popular words.
 * This builder provides methods to set various parameters for the request.
 */
public class PopularWordsRequestBuilder extends RequestBuilder<PopularWordsRequest, PopularWordsResponse> {
    /**
     * Constructor for PopularWordsRequestBuilder.
     * @param client The OpenSearch client.