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.model.fastchat.messages.content;
  
  import com.fasterxml.jackson.annotation.JsonProperty;
  import lombok.AllArgsConstructor;
  import lombok.Data;
  import lombok.NoArgsConstructor;
  
  /**
   * An annotation for a text Message
   * <p>
   * https://platform.openai.com/docs/api-reference/messages/object
   */
  @Data
  @NoArgsConstructor
  @AllArgsConstructor
  public class Annotation {
      /**
       * The type of annotation, either file_citation or file_path
       */
      String type;
  
      /**
       * The text in the message content that needs to be replaced
       */
      String text;
  
      /**
       * File citation details, only present when type == file_citation
       */
      @JsonProperty("file_citation")
      FileCitation fileCitation;
  
      /**
       * File path details, only present when type == file_path
       */
      @JsonProperty("file_path")
      FilePath filePath;
  
      @JsonProperty("start_index")
      int startIndex;
  
      @JsonProperty("end_index")
      int endIndex;
  }
  