import { RawBodyRequest } from '@nestjs/common';
import { Request } from 'express';
import { ConfigService } from '@nestjs/config';
import { WebhookService } from './webhook.service';
import { WebhookPayloadDto } from './dto/webhook.dto';
export declare class WebhookController {
    private readonly webhookService;
    private readonly configService;
    private readonly logger;
    constructor(webhookService: WebhookService, configService: ConfigService);
    verifyWebhook(mode: string, token: string, challenge: string): string;
    handleWebhook(req: RawBodyRequest<Request>, payload: WebhookPayloadDto): Promise<string>;
    private verifySignature;
}