private static final long serialVersionUID = 1L;

    /**
     * Default number of records to display per page.
     */
    public static final int DEFAULT_PAGE_SIZE = 20;

    /**
     * Default current page number for pagination.
     */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /**
     * The total number of records in the result set.
     */
    private int allRecordCount;

    /**

        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
    }

    /**
     * Gets the default current page number.
     * @return The default current page number.
     */
    protected int getDefaultCurrentPageNumber() {
        return 1;
    }

    /**
     * Gets the total number of records.
     * @return The total record count.
     */
    public int getAllRecordCount() {
        return allRecordCount;

    }

    /**
     * Gets the number of shards for the queue index.
     *
     * @return the number of queue shards
     */
    @Override
    public int getQueueShards() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerQueueNumberOfShardsAsInteger();
    }

    /**
     * Gets the number of shards for the data index.
     *
     * @return the number of data shards
     */
    @Override

    ImmutableMap<Class<? extends Number>, ? extends Number> in =
        ImmutableMap.of(Number.class, 0, Double.class, Math.PI);
    ClassToInstanceMap<Number> map = ImmutableClassToInstanceMap.copyOf(in);
    assertEquals(2, map.size());

    Number zero = map.getInstance(Number.class);
    assertEquals(0, zero);

    Double pi = map.getInstance(Double.class);
    assertThat(pi).isEqualTo(Math.PI);
  }

    }

    /**
     * Gets the starting record number for the current page.
     *
     * @return The starting record number
     */
    public long getCurrentStartRecordNumber() {
        return currentStartRecordNumber;
    }

    /**
     * Gets the ending record number for the current page.
     *
     * @return The ending record number
     */
    public long getCurrentEndRecordNumber() {

    /**
     * Sets the number of records to display per page.
     *
     * @param pageSize the number of records per page to set
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Gets the current page number being displayed.
     * If the current page number is not set or is invalid, returns the default current page number.
     *

    }

    /**
     * Returns the default current page number.
     *
     * @return The default current page number.
     */
    protected int getDefaultCurrentPageNumber() {
        return 1;
    }

    /**
     * Returns the total number of records.
     *
     * @return The total number of records.
     */
    public int getAllRecordCount() {
        return allRecordCount;

        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
    }

    /**
     * Gets the default current page number.
     * @return the default current page number (1)
     */
    protected int getDefaultCurrentPageNumber() {
        return 1;
    }

    /**
     * Gets the total number of records.
     * @return the total record count
     */
    public int getAllRecordCount() {
        return allRecordCount;

 */
public class BoostDocPager implements Serializable {
    private static final long serialVersionUID = 1L;

    /** Default current page number. */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /** Total number of records. */
    private int allRecordCount;

    /** Total number of pages. */
    private int allPageCount;

    /** Indicates if a previous page exists. */
    private boolean existPrePage;

    public static final int DEFAULT_PAGE_SIZE = 20;

    /** Default current page number for pagination. */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /** Total number of records matching the search criteria. */
    private int allRecordCount;

    /** Total number of pages based on record count and page size. */
    private int allPageCount;