import { CreateChatCompletionDto } from '@/infrastructure/dtos/chat/create-chat-completion.dto';
import { ExtensionRepository } from '@/domain/repositories/extension.interface';
import { Repository } from 'typeorm';
import { ModelEntity } from '@/infrastructure/entities/model.entity';
import { ChatStreamEvent } from '@/domain/abstracts/oai.abstract';
export declare class ChatUsecases {
    private readonly modelRepository;
    private readonly extensionRepository;
    constructor(modelRepository: Repository<ModelEntity>, extensionRepository: ExtensionRepository);
    createChatCompletions(createChatDto: CreateChatCompletionDto, headers: Record<string, string>, stream: WritableStream<ChatStreamEvent>, res?: any): Promise<void>;
}