import { ExtendedHTMLElement } from '../../helper/dom';
import { ChatItemButton, DetailedList, DetailedListItem } from '../../static';
export interface DetailedListWrapperProps {
    detailedList: DetailedList;
    descriptionTextDirection?: 'ltr' | 'rtl';
    onFilterValueChange?: (filterValues: Record<string, any>, isValid: boolean) => void;
    onGroupActionClick?: (action: ChatItemButton, groupName?: string) => void;
    onGroupClick?: (groupName: string) => void;
    onItemSelect?: (detailedListItem: DetailedListItem) => void;
    onItemClick?: (detailedListItem: DetailedListItem) => void;
    onItemActionClick?: (action: ChatItemButton, detailedListItem?: DetailedListItem) => void;
    onFilterActionClick?: (action: ChatItemButton, filterValues?: Record<string, any>, isValid?: boolean) => void;
}
export declare class DetailedListWrapper {
    render: ExtendedHTMLElement;
    private readonly detailedListItemGroupsContainer;
    private filterForm;
    private readonly filtersContainer;
    private readonly filterActionsContainer;
    private readonly headerContainer;
    private readonly props;
    private detailedListItemsBlockData;
    private activeTargetElementIndex;
    private allSelectableDetailedListElements;
    constructor(props: DetailedListWrapperProps);
    /**
     * Handles scroll events to implement virtualization for the detailed list:
     *
     * 1. Initially creating empty placeholder blocks with appropriate height for each chunk of list items
     * 2. On scroll, determining which blocks are visible in the viewport (or near it)
     * 3. Dynamically rendering content only for visible blocks by:
     *    - Adding DOM elements for blocks entering the viewport
     *    - Removing DOM elements for blocks that are no longer visible
     *
     */
    private readonly handleScroll;
    private readonly getHeader;
    private readonly getFilters;
    private readonly getFilterActions;
    private readonly getDetailedListItemGroups;
    private readonly getDetailedListItemElements;
    readonly changeTarget: (direction: 'up' | 'down', snapOnLastAndFirst?: boolean, scrollIntoView?: boolean) => void;
    private readonly setFocus;
    private readonly setFocusByIndex;
    readonly getTargetElement: () => DetailedListItem | null;
    readonly update: (detailedList: DetailedList, preserveScrollPosition?: boolean, preserveFocus?: boolean) => void;
}