/**
 * Initialization options of the **ExpandableList** class.
 */
export interface IExpandableListOptions<Item> {
    /**
     * Maximum number of items shown.
     *
     * Default: `8`
     */
    maximumItemsShown?: number;
    /**
     * Maximum number of items shown.
     *
     * Default: `4`
     */
    minimumItemsShown?: number;
    /**
     * Label of the list that is displayed as an header.
     *
     * Default: `Items`
     */
    listLabel?: string;
    /**
     * Function that tranform an item of the list into a HTMLElement representation.
     *
     * **Required**
     *
     * @param item Item of the list.
     */
    transform(item: Item): Promise<HTMLElement>;
    /** */
    messageWhenEmpty?: string;
    showMoreMessage?: string;
    showLessMessage?: string;
}
/**
 * Display a list that expand when click on the more button.
 */
export declare class ExpandableList<T> {
    element: HTMLElement;
    items: T[];
    options: IExpandableListOptions<T>;
    private static readonly DEFAULTS;
    private static readonly COMPONENT_CLASS;
    private static readonly EMPTY_CLASS;
    private visibleItems;
    private hiddenItems;
    private isOpen;
    private button;
    private proccessedItem;
    /**
     * Create an instance of the **ExpandableList** class.
     *
     * @param element Element on which to bind the component
     * @param items List of items to display.
     * @param options Initialization options.
     */
    constructor(element: HTMLElement, items: T[], options: IExpandableListOptions<T>);
    private buildMoreButton;
    private isSomeItemsHidden;
    private parseOptions;
    private render;
    private renderEmpty;
    private toggleExpansion;
    private fold;
    private unfold;
    private update;
}