/**
 * 按钮本身是否在下拉面板项
* @returns
*/
export declare function isDropdownItem(toolbarItemId: any, sourceButtons: any): boolean;
export declare function getMenuIndexItemById(itemId: string, sourceButtons: any): {
    parentIndex: number;
    itemIndex: number;
};
/**
 * 获取下拉信息
 * @param itemId
 * @param sourceButtons
 * @returns
 */
export declare function getMenuItemById(itemId: string, sourceButtons: any): {
    parent: any;
    item: any;
};
/**
   * 按钮本身是否是下拉按钮
   */
export declare function isDropdownButon(toolbarItemId: any, sourceButtons: any): boolean;
export declare function isExpandedDropdownButton(toolbarItemId: any, sourceButtons: any): boolean;