Interface OpenAICompatibleChunkPayload

interface OpenAICompatibleChunkPayload {
    choices: {
        delta: { content?: string };
        finish_reason: string | null;
        index: number;
    }[];
    id: string;
    model: string;
    object: "chat.completion.chunk";
    usage?: OpenAICompatibleUsagePayload;
    x_groq?: { usage: OpenAICompatibleUsagePayload };
}