import type { EventMessage } from './messages.js';
/**
 * EventEmitter-style interface for pushing events to the cloud via the relay.
 *
 * In library mode, the orchestrator calls `pushEvent(channel, event)` directly
 * on the ClusterRelay instance. This module defines the event construction helper.
 *
 * SSE subscription for standalone mode is deferred to issue 2.2.
 */
/**
 * Create an EventMessage for sending over the relay.
 */
export declare function createEventMessage(event: string, data: unknown): EventMessage;
/**
 * SSE subscription interface (deferred to 2.2).
 * When implemented, this will connect to the orchestrator's /events SSE endpoint
 * and forward events through the relay WebSocket.
 */
export interface SSESubscriptionOptions {
    orchestratorUrl: string;
    orchestratorApiKey?: string;
    channels: string[];
}
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