import { OnGatewayConnection, OnGatewayDisconnect } from '@nestjs/websockets';
import { Server, Socket } from 'socket.io';
import { Notification } from '../entities';
interface AuthenticatedSocket extends Socket {
    userId?: string;
    tenantId?: string;
}
export declare class NotificationsGateway implements OnGatewayConnection, OnGatewayDisconnect {
    server: Server;
    private readonly logger;
    private userSockets;
    private socketUsers;
    handleConnection(client: AuthenticatedSocket): void;
    handleDisconnect(client: AuthenticatedSocket): void;
    emitToUser(tenantId: string, userId: string, notification: Partial<Notification>): Promise<number>;
    emitToTenant(tenantId: string, event: string, data: any): Promise<void>;
    handleMarkAsRead(client: AuthenticatedSocket, payload: {
        notificationId: string;
    }): void;
    handleMarkAllAsRead(client: AuthenticatedSocket): void;
    handleGetUnreadCount(client: AuthenticatedSocket): {
        event: string;
    };
    emitUnreadCount(tenantId: string, userId: string, count: number): Promise<void>;
    emitNotificationDeleted(tenantId: string, userId: string, notificationId: string): Promise<void>;
    getConnectedUsersCount(): number;
    getTotalConnections(): number;
    isUserOnline(tenantId: string, userId: string): boolean;
    private extractUserId;
    private extractTenantId;
}
export {};