content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    Licensed under the Apache License, Version 2.0 (the "License");
   *    you may not use this file except in compliance with the License.
   *    You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  
  package com.aliyun.fastmodel.core.tree;
  
  import java.util.List;
  
  /**
   * 抽象的节点
   *
   * @author panguanjing
   * @date 2020/10/29
   */
  public interface Node {
      /**
       * 接受处理
       *
       * @param visitor 访问者
       * @param context 上下文
       * @return 遍历结果
       */
      <R, C> R accept(IAstVisitor<R, C> visitor, C context);
  
      /**
       * 获取子节点内容
       *
       * @return 子节点
       */
      List<? extends Node> getChildren();
  }
  