import { immerable } from 'immer';
import EventEmitter3 from 'eventemitter3';
import { AbstractNode, ElementIdentifier, LayoutNodeData, NodeData } from '../types';
import type { Graph } from './graph';
export declare class Node implements AbstractNode {
    [immerable]: boolean;
    id: ElementIdentifier;
    graph: Graph;
    eventEmitter: EventEmitter3;
    fx: NodeData['fx'];
    fy: NodeData['fy'];
    size: NonNullable<NodeData['size']>;
    color: NodeData['color'];
    animate: NodeData['animate'];
    data: NodeData['data'];
    label: NodeData['label'];
    states: string[];
    element?: HTMLElement | SVGElement;
    type?: NodeData['type'];
    mergedNodes?: NodeData[];
    static DEFAULT_NODE_SIZE: [number, number];
    /**
     * 节点 x 坐标
     */
    get x(): number;
    /**
     * 节点 y 坐标
     */
    get y(): number;
    /**
     * 节点所有起始边
     */
    get sourceEdges(): import("./edge").Edge[];
    /**
     * 节点所有目标边
     */
    get targetEdges(): import("./edge").Edge[];
    /**
     * 节点关联的所有边(入边和出边)
     */
    get allEdges(): import("./edge").Edge[];
    constructor(graph: Graph, nodeData: NodeData);
    /**
     * 是否为节点
     *
     * @param node
     */
    static isNode(node: ElementIdentifier | Node): node is Node;
    /**
     * 设置节点元素
     *
     * @param element
     */
    setElement(element: HTMLElement | SVGElement): void;
    /**
     * 获取布局数据
     */
    toLayoutData(): LayoutNodeData;
    /**
     * 设置状态列表
     *
     * @param states
     */
    setStates(states: string[]): void;
    /**
     * 设置单个状态
     *
     * @param state
     * @param enable
     */
    setState(state: string, enable?: boolean): void;
    /**
     * 取消状态
     *
     * @param states
     */
    clearStates(states?: string | string[]): void;
    /**
     * 是否包含指定状态
     *
     * @param state
     * @returns
     */
    hasState(state: string): boolean;
    /**
     * 切换状态
     *
     * @param state
     */
    toggleState(state: string): void;
    /**
     * 独占某个状态
     *
     * @state 状态
     * @list 其他需要同状态的节点, 为空时则表示当前元素独占该状态
     */
    exclusiveState(state: string, list?: ElementIdentifier[]): void;
    /**
     * 派发位置更新事件
     */
    emitPositionUpdate: () => void;
    /**
     * 更新事件
     */
    onPositionUpdate: (callback: () => void) => () => void;
}
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