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.claude.model.completion;
  
  import com.alibaba.langengine.core.model.fastchat.completion.chat.ChatMessage;
  import com.fasterxml.jackson.annotation.JsonProperty;
  import lombok.Data;
  
  @Data
  public class ChatCompletionChunk {
  
      /**
       * A stream response is comprised of:
       *
       * A message_start event
       * Potentially multiple content blocks, each of which contains: a. A content_block_start event b. Potentially multiple content_block_delta events c. A content_block_stop event
       * A message_delta event
       * A message_stop event
       */
      String type;
  
      Integer index;
  
      @JsonProperty("content_block")
      ChatCompletionChunkContent contentBlock;
  
      ChatCompletionChunkContent delta;
  }
  