export declare const SystemEventTypes: {
    readonly SERVICE_WELCOME: "service.welcome";
    readonly SERVICE_ACKNOWLEDGMENT: "service.acknowledgment";
    readonly SERVICE_HEARTBEAT: "service.heartbeat";
    readonly EVENT_NOT_SPECIFIED: "system.event.not_specified";
};
export interface ServiceWelcomeEvent {
    eventId: string;
    timestamp: string;
    eventType: typeof SystemEventTypes.SERVICE_WELCOME;
    data: {
        serviceName: string;
        version: string;
        environment: string;
        port?: number;
        healthCheckUrl?: string;
        capabilities?: string[];
    };
    metadata: {
        correlationId: string;
        sourceService: string;
        version: '1.0';
    };
}
export interface ServiceAcknowledgmentEvent {
    eventId: string;
    timestamp: string;
    eventType: typeof SystemEventTypes.SERVICE_ACKNOWLEDGMENT;
    data: {
        acknowledgedService: string;
        acknowledgedBy: string;
        message?: string;
    };
    metadata: {
        correlationId: string;
        sourceService: string;
        version: '1.0';
    };
}
export interface ServiceHeartbeatEvent {
    eventId: string;
    timestamp: string;
    eventType: typeof SystemEventTypes.SERVICE_HEARTBEAT;
    data: {
        serviceName: string;
        status: 'healthy' | 'degraded' | 'unhealthy';
        uptime: number;
        memoryUsage?: number;
        cpuUsage?: number;
        activeConnections?: number;
    };
    metadata: {
        correlationId: string;
        sourceService: string;
        version: '1.0';
    };
}
export type SystemEventType = typeof SystemEventTypes[keyof typeof SystemEventTypes];
export type SystemEvent = ServiceWelcomeEvent | ServiceAcknowledgmentEvent | ServiceHeartbeatEvent;
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