import 'reflect-metadata';
import { OnGatewayConnection } from '@nestjs/websockets';
import { Server, Socket } from 'socket.io';
import { PrismaService } from '../prisma/prisma.service';
import { ParticipantRole } from '@prisma/client';
import { Reflector } from '@nestjs/core';
import { CanActivate, ExecutionContext } from '@nestjs/common';
import { Cache } from 'cache-manager';
export declare const ROLES_KEY = "roles";
export declare const Roles: (...roles: ParticipantRole[]) => import("@nestjs/common").CustomDecorator<string>;
export declare class TourRoleGuard implements CanActivate {
    private reflector;
    private prisma;
    private cacheManager;
    constructor(reflector: Reflector, prisma: PrismaService, cacheManager: Cache);
    canActivate(context: ExecutionContext): Promise<boolean>;
}
export declare class CommentGateway implements OnGatewayConnection {
    server: Server;
    handleConnection(client: Socket): void;
    handleJoinTour(client: Socket, tourId: string): void;
    notifyNewComment(tourId: string, data: any): void;
}