import { OnModuleDestroy, OnModuleInit } from "@nestjs/common";
import { EventEmitter2 } from "@nestjs/event-emitter";
import { Server, Socket } from "socket.io";
import { AppModeConfig } from "../../appmode/constants/app.mode.constant";
import { AppLoggingService } from "../../logging/services/logging.service";
import { RedisClientStorageService } from "../../redis/services/redis.client.storage.service";
import { NotificationMessage, RedisMessagingService } from "../../redis/services/redis.messaging.service";
/**
 * WebSocket Service
 *
 * Manages WebSocket connections and message broadcasting
 *
 * Features:
 * - Client connection management
 * - User-specific messaging
 * - Company-wide broadcasting
 * - Global broadcast capabilities
 * - Redis pub/sub for multi-instance support
 * - Periodic cleanup of expired clients
 */
export declare class WebSocketService implements OnModuleInit, OnModuleDestroy {
    private readonly eventEmitter;
    private readonly appModeConfig;
    private readonly logger;
    private readonly redisClientStorage?;
    private readonly redisMessaging?;
    private server;
    private clients;
    private cleanupInterval?;
    constructor(eventEmitter: EventEmitter2, appModeConfig: AppModeConfig, logger: AppLoggingService, redisClientStorage?: RedisClientStorageService, redisMessaging?: RedisMessagingService);
    onModuleInit(): void;
    onModuleDestroy(): void;
    setServer(server: Server): void;
    addClient(userId: string, client: Socket): Promise<void>;
    removeClient(userId: string, client: Socket): Promise<void>;
    broadcast(event: string, data: any): Promise<void>;
    private broadcastDirect;
    sendMessageToCompany(companyId: string, event: string, data: any): Promise<void>;
    private sendMessageToCompanyDirect;
    sendMessageToUser(userId: string, event: string, data: any): Promise<void>;
    private sendMessageToUserDirect;
    handleIncomingMessage(companyId: string, userId: string, message: {
        type: string;
        message: any;
    }): void;
    handleIncomingGoogleMeetPart(meetId: string, speakerName: string, timestamp: Date, message: any): void;
    handleRedisNotification(notification: NotificationMessage): Promise<void>;
}
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