import type { Event } from "@synet/patterns";
/**
 * A topic is a named channel for events
 * Examples: "users", "notifications", "system.alerts"
 */
export type Topic = string;
/**
 * Extended event interface with additional fields required for realtime communication
 */
export interface RealtimeEvent<T = unknown> extends Event {
    /**
     * Unique identifier for the event
     */
    id: string;
    /**
     * Source system that generated the event
     */
    source: string;
    /**
     * When the event occurred
     */
    timestamp: Date;
    /**
     * Event payload
     */
    data: T;
    /**
     * Additional contextual information
     */
    metadata?: Record<string, unknown>;
    /**
     * Client ID that originated the event (optional)
     * Used for routing and tracking in multi-client environments
     */
    clientId?: string;
}