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.fasterxml.jackson.annotation.JsonProperty;
  import lombok.Data;
  
  import java.util.List;
  
  @Data
  public class ChatCompletionResult {
  
      /**
       * Unique object identifier.
       */
      private String id;
  
      /**
       * Object type.
       * For Messages, this is always "message". 4xx is "error".
       *
       */
      private String type;
  
      /**
       * error detail.
       */
      private Error error;
  
      /**
       * Content generated by the model.
       * This is an array of content blocks, each of which has a type that determines its shape.
       */
      private List<Content> content;
  
      /**
       * The model that handled the request.
       */
      private String model;
  
      /**
       * The reason that we stopped.
       *
       * This may be one the following values:
       *
       * "end_turn": the model reached a natural stopping point
       * "max_tokens": we exceeded the requested max_tokens or the model's maximum
       * "stop_sequence": one of your provided custom stop_sequences was generated
       * "tool_use": the model invoked one or more tools
       * In non-streaming mode this value is always non-null. In streaming mode, it is null in the message_start event and non-null otherwise.
       *
       * Available options: end_turn, max_tokens, stop_sequence, tool_use
       */
      @JsonProperty("stop_reason")
      private String stopReason;
  
      /**
       * Which custom stop sequence was generated, if any.
       *
       * This value will be a non-null string if one of your custom stop sequences was generated.
       */
      @JsonProperty("stop_sequence")
      private String stopSequence;
  
      /**
       * Billing and rate-limit usage.
       *
       * Anthropic's API bills and rate-limits by token counts, as tokens represent the underlying cost to our systems.
       *
       * Under the hood, the API transforms requests into a format suitable for the model. The model's output then goes through a parsing stage before becoming an API response. As a result, the token counts in usage will not match one-to-one with the exact visible content of an API request or response.
       */
      private Usage usage;
  }
  