import { DropDownButton, ItemModel } from '@syncfusion/ej2-splitbuttons';
import { Ribbon, itemProps } from '../base/index';
import { RibbonDropDownSettingsModel, RibbonItemModel } from '../models/index';
/**
 * Defines the items of Ribbon.
 */
export declare class RibbonDropDown {
    private parent;
    constructor(parent: Ribbon);
    protected getModuleName(): string;
    protected destroy(): void;
    private itemIndex;
    private enableRtl;
    /**
     * Creates DropDown.
     *
     * @param {RibbonItemModel} item - Gets the ribbon item model.
     * @param {HTMLElement} itemEle - Gets the ribbon item element.
     * @returns {void}
     * @hidden
     */
    createDropDown(item: RibbonItemModel, itemEle: HTMLElement): void;
    /**
     * Adds the additional event handlers as the item moved into overflow popup.
     *
     * @param {RibbonItemModel} item - Gets the ribbon item model.
     * @param {HTMLElement} itemEle - Gets the ribbon item element.
     * @param {DropDownButton} overflowButton - Gets the overflow button.
     * @returns {void}
     * @hidden
     */
    addOverFlowEvents(item: RibbonItemModel, itemEle: HTMLElement, overflowButton: DropDownButton): void;
    /**
     * Removes the additional event handlers as the item moved from overflow popup.
     *
     * @param {RibbonItemModel} item - Gets the ribbon item model.
     * @param {HTMLElement} itemEle - Gets the ribbon item element.
     * @returns {void}
     * @hidden
     */
    removeOverFlowEvents(item: RibbonItemModel, itemEle: HTMLElement): void;
    /**
     * Creates Overflow DropDown.
     *
     * @param {string} id - Gets the ID of the dropdown item.
     * @param {string} name - Gets the name of the dropdown item.
     * @param {string} iconCss - Gets the icon of the dropdown item.
     * @param {HTMLElement} groupEle - Gets the overflow group element.
     * @param {HTMLElement} overflowEle - Gets the overflow element.
     * @returns {void}
     * @hidden
     */
    createOverFlowDropDown(id: string, name: string, iconCss: string, groupEle: HTMLElement, overflowEle: HTMLElement, enableRtl?: boolean): DropDownButton;
    private keyActionHandler;
    private handleNavigation;
    private focusLauncherIcon;
    private updateItemIndex;
    /**
     * Removes Overflow DropDown.
     *
     * @param {HTMLElement} dropdownElement - Gets the ribbon DropDown element.
     * @returns {void}
     * @hidden
     */
    removeOverFlowDropDown(dropdownElement: HTMLElement): void;
    /**
     * Gets DropDown item element.
     *
     * @param {HTMLElement} dropdownElement - Gets the ribbon DropDown element.
     * @param {string} id - Gets the ID of ribbon DropDown element.
     * @returns {HTMLElement} - Returns the DropDown item element.
     * @hidden
     */
    getDDBItemElement(dropdownElement: HTMLElement, id: string): HTMLElement;
    /**
     * Gets Overflow DropDown Popup.
     *
     * @param {itemProps} itemProp - Gets the property of ribbon item.
     * @param {HTMLElement} contentEle - Gets the content element.
     * @returns {HTMLElement} - Returns the Overflow DropDown Popup.
     * @hidden
     */
    getOverflowDropDownPopup(itemProp: itemProps, contentEle: HTMLElement): HTMLElement;
    private getDropDownObj;
    /**
     * Adds a new item to the menu. By default, new item appends to
     * the list as the last item, but you can insert based on the text parameter.
     *
     * @param {string} controlId - Gets the control ID.
     * @param {ItemModel[]} Items - Gets the DropDown items.
     * @param {string} text - Gets the text of the dropdown item where the new item needs to be inserted.
     * @returns {void}
     */
    addItems(controlId: string, Items: ItemModel[], text?: string): void;
    /**
     * Removes the items from the menu.
     *
     * @param {string} controlId - Gets the control ID.
     * @param {string[]} Items -
     * @param {string} isUniqueId -
     * @returns {void}
     */
    removeItems(controlId: string, Items: string[], isUniqueId?: boolean): void;
    /**
     * To open/close DropDownButton popup based on current state of the DropDownButton.
     *
     * @param {string} controlId - Gets the control ID.
     * @returns {void}
     */
    toggle(controlId: string): void;
    /**
     * Updates the dropdown.
     *
     * @param {RibbonDropDownSettingsModel} prop - Gets the dropdown property.
     * @param {string} id - Gets the ID of dropdown.
     * @returns {void}
     */
    updateDropDown(prop: RibbonDropDownSettingsModel, id: string): void;
    /**
     * Updated DropDown size
     *
     * @param {HTMLElement} element - Gets the dropdown element.
     * @param {RibbonItemModel} item - Gets the ribbon item model.
     * @returns {void}
     * @hidden
     */
    updateDropDownSize(element: HTMLElement, item: RibbonItemModel): void;
}