import { RestaurantService } from '~backend/business/restaurant/restaurant.service';
import { Request } from 'express';
import { PosRestuarant } from '~backend/business/business.interface';
import { RegisterMachineDto } from '~backend/business/business.model';
import { DemoPayload, CurrentTime } from './pos-api.interface';
import { CouchdbStaticService } from '~backend/couchdb/couchdb-static/couchdb-static.service';
import { BusinessService } from '~backend/business/business.service';
import { ConfigService } from '@nestjs/config';
export declare class PosApiController {
    private readonly restaurantService;
    private readonly businessService;
    private readonly couchdbStaticService;
    private readonly configService;
    private readonly logger;
    constructor(restaurantService: RestaurantService, businessService: BusinessService, couchdbStaticService: CouchdbStaticService, configService: ConfigService);
    requestDemo(restaurantId: string): Promise<DemoPayload>;
    currentTime(): Promise<CurrentTime>;
    registerMachine(body: RegisterMachineDto): Promise<PosRestuarant>;
    getInfo(req: Request): Promise<PosRestuarant>;
    getChannel(req: Request): Promise<string>;
    updateVersion(version: string, req: Request): Promise<boolean>;
    private conflictDocTypes;
    getConflicts(req: Request): Promise<any>;
    purgeConflicts(req: Request): Promise<any>;
    updateHeartbeat(req: Request): Promise<boolean>;
}