/**
 * @fileOverview random layout
 * @author shiwu.wyy@antfin.com
 */
import { Edge, OutNode } from './types';
import { Base } from './base';
/**
 * 层次布局
 */
export declare class DagreLayout extends Base {
    /** layout 方向, 可选 TB, BT, LR, RL */
    rankdir: 'TB' | 'BT' | 'LR' | 'RL';
    /** 节点对齐方式，可选 UL, UR, DL, DR */
    align: undefined | 'UL' | 'UR' | 'DL' | 'DR';
    /** 节点大小 */
    nodeSize: number | number[] | undefined;
    /** 节点水平间距(px) */
    nodesepFunc: ((d?: any) => number) | undefined;
    /** 每一层节点之间间距 */
    ranksepFunc: ((d?: any) => number) | undefined;
    /** 节点水平间距(px) */
    nodesep: number;
    /** 每一层节点之间间距 */
    ranksep: number;
    /** 是否保留布局连线的控制点 */
    controlPoints: boolean;
    /** 每层节点是否根据节点数据中的 comboId 进行排序，以放置同层 combo 重叠 */
    sortByCombo: boolean;
    nodes: OutNode[];
    edges: Edge[];
    constructor(options?: DagreLayout.DagreLayoutOptions);
    getDefaultCfg(): {
        rankdir: string;
        align: undefined;
        nodeSize: undefined;
        nodesepFunc: undefined;
        ranksepFunc: undefined;
        nodesep: number;
        ranksep: number;
        controlPoints: boolean;
    };
    /**
     * 执行布局
     */
    execute(): {
        nodes: OutNode[];
        edges: any[];
    } | undefined;
    sortLevel(propertyName: string): void;
    getType(): string;
}
export declare namespace DagreLayout {
    interface DagreLayoutOptions {
        type: 'dagre';
        rankdir?: 'TB' | 'BT' | 'LR' | 'RL';
        align?: 'UL' | 'UR' | 'DL' | 'DR';
        nodeSize?: number | number[] | undefined;
        nodesep?: number;
        ranksep?: number;
        nodesepFunc?: ((d?: any) => number) | undefined;
        ranksepFunc?: ((d?: any) => number) | undefined;
        controlPoints?: boolean;
        sortByCombo?: boolean;
        workerEnabled?: boolean;
    }
}