export declare class ChatMessageDto {
    role: 'system' | 'user' | 'assistant';
    content: string;
}
export declare class ChatRequestDto {
    messages: ChatMessageDto[];
    model?: string;
    temperature?: number;
    max_tokens?: number;
    top_p?: number;
    stream?: boolean;
}
export declare class ChatChoiceDto {
    index: number;
    message: ChatMessageDto;
    finish_reason: string;
}
export declare class UsageDto {
    prompt_tokens: number;
    completion_tokens: number;
    total_tokens: number;
}
export declare class ChatResponseDto {
    id: string;
    model: string;
    choices: ChatChoiceDto[];
    usage: UsageDto;
    created: number;
}