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use serde::{Deserialize, Serialize};
use crate::chat::ChatModel;
use crate::chat::Logprobs;
use crate::chat::Role;
use crate::chat::ToolCall;
use crate::macros::impl_display_for_serialize;
/// The chunk object of chat completion streaming.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct ChatCompletionChunkObject {
/// A unique identifier for the chat completion.
pub id: String,
/// A list of chat completion choices. Can be more than one if n is greater than 1.
pub choices: Vec<ChatCompletionChunkChoice>,
/// The Unix timestamp (in seconds) of when the chat completion was created.
pub created: u64,
/// The model used for the chat completion.
pub model: ChatModel,
/// This fingerprint represents the backend configuration that the model runs with.
///
/// Can be used in conjunction with the seed request parameter to understand when backend changes have been made that might impact determinism.
#[serde(skip_serializing_if = "Option::is_none")]
pub system_fingerprint: Option<String>,
/// The object type, which is always chat.completion.chunk.
pub object: String,
}
impl_display_for_serialize!(ChatCompletionChunkObject);
/// The choice of chat completion chunk object.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct ChatCompletionChunkChoice {
/// A chat completion delta generated by streamed model responses.
#[serde(skip_serializing_if = "Option::is_none")]
pub delta: Option<ChatCompletionDelta>,
/// Log probability information for the choice.
#[serde(skip_serializing_if = "Option::is_none")]
pub logprobs: Option<Logprobs>,
/// The reason the model stopped generating tokens. This will be stop if the model hit a natural stop point or a provided stop sequence, length if the maximum number of tokens specified in the request was reached, content_filter if content was omitted due to a flag from our content filters, tool_calls if the model called a tool, or function_call (deprecated) if the model called a function.
#[serde(skip_serializing_if = "Option::is_none")]
pub finish_reason: Option<String>,
/// The index of the choice in the list of choices.
pub index: u32,
}
impl_display_for_serialize!(ChatCompletionChunkChoice);
/// The chat completion delta generated by streamed model responses.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct ChatCompletionDelta {
/// The contents of the chunk message.
#[serde(skip_serializing_if = "Option::is_none")]
pub content: Option<String>,
/// Tool calls generated by the model, such as function calls.
#[serde(skip_serializing_if = "Option::is_none")]
pub tool_calls: Option<Vec<ToolCall>>,
/// The role of the author of this message.
#[serde(skip_serializing_if = "Option::is_none")]
pub role: Option<Role>,
}
impl_display_for_serialize!(ChatCompletionDelta);