import { RectNode, RectNodeModel } from '@logicflow/core';
declare class GroupNodeModel extends RectNodeModel {
    readonly isGroup = true;
    children: Set<unknown>;
    isRestrict: boolean;
    setAttributes(): void;
    /**
     * 设置是否允许子节点被拖动移除分组
     */
    setIsRestrict(isRestrict: any): void;
    isInRange({ x1, y1, x2, y2 }: {
        x1: any;
        y1: any;
        x2: any;
        y2: any;
    }): boolean;
    setAllowAppendChild(isAllow: any): void;
    addChild(id: any): void;
    removeChild(id: any): void;
    getData(): import("@logicflow/core").NodeData;
}
declare class GroupNode extends RectNode {
    /**
     * 重新toFront，阻止其置顶
     */
    toFront(): void;
    getShapeStyle(): {
        radius: number;
        width: number;
        height: number;
        fill: string;
        fillOpacity: number;
        strokeWidth: number;
        stroke: string;
        strokeOpacity: number;
        opacity: number;
        outlineColor: string;
    };
}
declare const _default: {
    type: string;
    view: typeof GroupNode;
    model: typeof GroupNodeModel;
};
export default _default;