import { EditorDNDManager } from './index';
import { EditorNodeType } from '../store/node';
import { DNDModeInterface } from './interface';
import { AutoScroll } from './autoScroll';
export declare class DefaultDNDMode implements DNDModeInterface {
    readonly dnd: EditorDNDManager;
    readonly region: EditorNodeType;
    readonly dndContainer: HTMLElement;
    readonly relativeContainer: HTMLElement;
    dropOn?: string;
    dropPosition?: 'top' | 'bottom' | 'left' | 'right' | 'center' | 'middle';
    autoScroll?: AutoScroll;
    constructor(dnd: EditorDNDManager, region: EditorNodeType);
    layoutInfo: LayoutInfo | null;
    /**
     * 记录上次交换时的鼠标位置。
     */
    exchangeX: number;
    exchangeY: number;
    /**
     * 首次拖入，把 ghost 插入进来。让用户有个直观感受。
     * @param e
     * @param ghost
     */
    enter(e: DragEvent, ghost: HTMLElement): void;
    /**
     * 拖出去了，就移除 ghost
     * @param e
     * @param ghost
     */
    leave(e: DragEvent, ghost: HTMLElement): void;
    over(e: DragEvent, ghost: HTMLElement): void;
    /**
     * 返回个相对位置，如果没有数据会插入到结尾。
     */
    getDropBeforeId(): string | undefined;
    /**
     * 获取当时拖动到了哪个节点上面。
     */
    getTarget(e: DragEvent): HTMLElement | null;
    getChildren(region: HTMLElement): Array<HTMLElement>;
    detectDropPosition(event: DragEvent, dropTarget: HTMLElement): 'top' | 'bottom' | 'left' | 'right';
    reductionPosition(position: 'top' | 'bottom' | 'left' | 'right', isHorizontal?: boolean): "left" | "right" | "bottom" | "top";
    updateIndicator(ghost: HTMLElement, target: HTMLElement, dropPosition: 'top' | 'bottom' | 'left' | 'right' | 'center' | 'middle'): void;
    /**
     * 销毁
     */
    dispose(): void;
}
interface LayoutInfo {
    type: 'flex' | 'grid' | 'block';
    isHorizontal?: boolean;
    isWrapped?: boolean;
    hasColumns?: boolean;
}
export {};