import { IView, DragOverPosition } from '../typing';
/**
 * 处理分屏(Split)逻辑
 * @param view 原始分屏数据
 * @param targetViewKey 从哪个view拖拽的
 * @param targetViewKey 拖拽到哪个view去
 * @param position 分屏方向
 * @param dragNode 拖拽的节点
 */
export declare function handleViewSplit(view: IView, sourceViewKey: string, targetViewKey: string, position: DragOverPosition, dragNode: any): {
    parentViewKey: string;
    isRoot?: boolean;
    viewKey: string;
    items: import("../typing").ViewData[];
    v?: IView<import("../typing").ViewData[]>[];
    h?: IView<import("../typing").ViewData[]>[];
};
/**
 * 从原始view数据中寻找目标view
 * @param view 原始view数据
 * @param key 需要寻找的目标View的key
 * @returns 返回目标view
 */
export declare function findViewByKey(view: IView, key: string): IView<import("../typing").ViewData[]>;
/** 获取全部 view items */
export declare function getAllViewItems(view: IView | IView[]): IView['items'];
/** 获取 item 的直接父视图 */
export declare function getParentView(rootView: IView, item: IView['items'][number]): IView;
/** 从source view中删除拖拽节点 */
export declare function removeDragNodeSourceView(sourceView: IView, dragNode: any, view: IView): void;
/** 从view的父亲中删除该view */
export declare function removeViewFromParent(sourceView: IView, view: IView): void;
/**
 * 更新 viewKey 对应的视图中的 items，并返回更新后的视图数据
 * @param view 原始分栏数据
 * @param view 需要更新的目标view
 * @param children 需要更新的目标 view 的 children
 */
export declare function createViewData(view: IView, viewKey: string, children: any): {
    parentViewKey: string;
    isRoot?: boolean;
    viewKey: string;
    items: import("../typing").ViewData[];
    v?: IView<import("../typing").ViewData[]>[];
    h?: IView<import("../typing").ViewData[]>[];
};
export declare function addClass(element: HTMLElement, className: string): void;
export declare function removeClass(element: HTMLElement, className: string): void;
export declare function decorateDragOverElement(element: HTMLElement, position: DragOverPosition): void;
export declare function removeDecorateDragOverElement(element: HTMLElement): void;
export declare function getDragOverPosition(e: DragEvent, element: HTMLElement): DragOverPosition;