import { Selector } from 'cash-dom';
import { ISelectedItemData, MousePoint } from '@music163/tango-helpers';
export declare const DRAGGABLE_SELECTOR: string;
interface DndQueryOptions {
    /**
     * DOM 查询上下文选择器
     */
    context?: string;
    /**
     * 二级上下文，适用于 iframe 中的 iframe
     */
    secondaryContext?: string;
    /**
     * 上层容器选择器
     */
    container?: string;
}
export declare class DndQuery {
    /**
     * dnd 上下文选择器，如果是 iframe，则是 iframe 里的 window 对象
     */
    private readonly _context;
    /**
     * dnd 二级上下文选择器，适用于存在 iframe 多层嵌套的场景
     */
    private readonly _secondaryContext;
    /**
     * 拖拽沙箱的外层容器选择器，用于辅助计算相对位置
     */
    private readonly _container;
    get container(): HTMLElement & Element & Node;
    get context(): HTMLElement & Element & Node;
    /**
     * 是否是隔离的沙箱环境，目前仅 iframe 环境为隔离沙箱
     */
    get isSeparated(): boolean;
    /**
     * 沙箱内的 window 对象
     */
    get window(): Window & typeof globalThis;
    /**
     * 沙箱内的全局滚动偏移
     */
    get scrollTop(): number;
    constructor({ context, secondaryContext, container }: DndQueryOptions);
    get(selector: Selector): import("cash-dom").Cash;
    getElement(selector: Selector): HTMLElement & Element & Node;
    getElementBySlotId(slotId: string): HTMLElement & Element & Node;
    getElementData(element: HTMLElement): ISelectedItemData;
    getElementBounding(element: HTMLElement): {
        width: number;
        height: number;
        top: number;
        left: number;
    };
    /**
     * 获取相对容器的位置
     * @param point
     */
    getRelativePoint(point: MousePoint): MousePoint;
    isChildOfElement(parentElementSlotId: string, childElementSlotId: string): boolean;
    getDraggableParents(selector: Selector): (HTMLElement & Element & Node)[];
    /**
     * 获取可拖拽的子元素
     * @param selector
     * @param locateSelector
     * @returns
     */
    getDraggableDescendants(selector: Selector, descendantSelector?: string): (HTMLElement & Element & Node)[];
    getDraggableParentsData(selector: Selector, hasParents: boolean): ISelectedItemData;
    /**
     * 获得最近的一个可拖拽的父结点的所有子结点
     * @param selector
     * @param startPoint
     * @returns
     */
    getDraggableElementsDataByArea(selector: Selector, startPoint: MousePoint, endPoint: MousePoint): ISelectedItemData[];
    scrollTo(leftOffset: number, topOffset: number): void;
    reload(): void;
}
export declare const DomQuery: typeof DndQuery;
export {};