import type { GraphStoreContext } from '../store';
import type { Node } from './node';
import type { Edge } from './edge';
import type { Graph } from './graph';
export declare enum StackAction {
    /**
     * 变更数据
     */
    changeData = "changeData",
    /**
     * 显示 / 隐藏
     */
    visible = "visible",
    /**
     * 添加节点
     */
    add = "add",
    /**
     * 删除节点
     */
    delete = "delete"
}
export declare class Stack<N extends Node = Node, E extends Edge = Edge> {
    /**
     * 图
     */
    graph: Graph<N, E>;
    /**
     * 栈状态
     */
    state: Array<GraphStoreContext>;
    /**
     * 游标
     */
    index: number;
    get canUndo(): boolean;
    get canRedo(): boolean;
    constructor(graph: Graph<N, E>);
    /**
     * 入栈一个状态
     *
     * @param data
     */
    push(data: GraphStoreContext): void;
    /**
     * 回退
     */
    undo: () => void;
    /**
     * 前进
     */
    redo: () => void;
}
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