content: /**
   * Copyright (C) 2024 AIDC-AI
   *
   * 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.alibaba.langengine.core.prompt;
  
  import com.alibaba.langengine.core.messages.BaseMessage;
  import com.alibaba.langengine.core.runnables.RunnableInput;
  import com.alibaba.langengine.core.runnables.RunnableOutput;
  
  import java.util.List;
  
  /**
   * 提示值对象
   *
   * @author xiaoxuan.lp
   */
  public abstract class PromptValue implements RunnableInput, RunnableOutput {
  
      /**
       * 作为消息返回提示
       *
       * @return
       */
      public abstract List<BaseMessage> toMessages();
  }
  