import { EventEmitter2 } from '@nestjs/event-emitter';
import { SecurityAlertAckEntity } from '../entities/security-alert-ack.entity';
import { SecurityStatusModel } from '../models/security-status.model';
import { SecurityAggregatorService } from './security-aggregator.service';
import { SecurityAlertAckService } from './security-alert-ack.service';
import { SecurityEventsService } from './security-events.service';
export declare class SecurityService {
    private readonly aggregator;
    private readonly ackService;
    private readonly eventsService;
    private readonly eventEmitter;
    private readonly logger;
    constructor(aggregator: SecurityAggregatorService, ackService: SecurityAlertAckService, eventsService: SecurityEventsService, eventEmitter: EventEmitter2);
    getStatus(): Promise<SecurityStatusModel>;
    acknowledgeAlert(id: string, acknowledgedBy?: string): Promise<SecurityAlertAckEntity>;
    acknowledgeAllAlerts(acknowledgedBy?: string): Promise<SecurityAlertAckEntity[]>;
    private parseTimestamp;
    private annotateAcknowledgements;
    private emitStatusUpdate;
}