interface INodeConfig {
    id: string;
    type: 'node' | 'group';
    index?: number;
    instance: any;
    parent: WidgetNode | null;
    children: WidgetNode[];
}
export declare class WidgetNode {
    id: string;
    instance: any;
    parent: WidgetNode | null;
    type: 'node' | 'group';
    index?: number;
    children: WidgetNode[];
    constructor(config: INodeConfig);
    get value(): any;
    get isChildrenVisible(): any;
    /**
     * 获取 parents
     */
    get parents(): any[];
    get firstChild(): WidgetNode;
    get lastChild(): WidgetNode;
    getSibling(lastProp: string): WidgetNode | undefined;
    getSiblings(): WidgetNode[];
    /**
     * 是否是叶子节点
     */
    get isLeaf(): boolean;
    appendChild(node: WidgetNode): WidgetNode[] | (WidgetNode & any[]);
    removeChild(node: WidgetNode): WidgetNode[] | (WidgetNode & any[]);
}
export declare class WidgetTree {
    widgetMap: Record<string, WidgetNode>;
    addWidgetNode(path: string, instance: any, type: 'node' | 'group', index?: number): void;
    removeWidgetNode(path: string, instance: any): void;
}
export {};