import { ConfigService } from '@nestjs/config';
export declare class UploadsService {
    private configService;
    private readonly uploadDir;
    constructor(configService: ConfigService);
    private getBaseUrl;
    saveFile(file: Express.Multer.File, folder?: string): Promise<{
        url: string;
        filename: string;
    }>;
    deleteFile(fileUrl: string): Promise<boolean>;
}