import type { Schema } from 'jamis-core';
import type { IPlayNode } from './types';
export type Node = IPlayNode;
export type { Schema };
/**
 * 从schema对象中加载出nodeMap.
 * 采用迭代方式, 为每个节点生成唯一的nanoid.
 * @returns 返回nodeMap和rootNode
 */
export declare const loadSchema: (schema: Schema) => [Map<string, Node>, Node];
/**
 * 添加子节点.
 * 复用加载逻辑, 将新节点及其子孙添加到 nodeMap.
 */
export declare const addChild: (nodeMap: Map<string, Node>, parentId: string, slot: string, newItemSchema: Schema) => Node;
/**
 * 更新节点值.
 * 逻辑简化: 先删除所有旧的子节点, 再根据 newValue 添加新的子节点.
 */
export declare const updateNode: (nodeMap: Map<string, Node>, id: string, newValue: Schema) => Node | null;
/**
 * 删除节点及其所有子孙.
 * 逻辑极其简单, 无需再关心兄弟节点.
 */
export declare const deleteNode: (nodeMap: Map<string, Node>, id: string) => void;
/**
 * 导出最新的schema对象树.
 */
export declare const pipeOut: (nodeMap: Map<string, Node>, id: string) => Schema;
/**
 * 序列化为JS文件字符串.
 */
export declare const toString: (nodeMap: Map<string, Node>, id: string) => string;