/**
 * Cruise domain events.
 *
 * Emitted after successful local cruise mutations. Subscribers should treat
 * these payloads as invalidation triggers and re-read current cruise state
 * before updating catalog/search projections.
 */
import { type EntityOverlayChangedPayload } from "@voyant-travel/catalog";
import type { EventBus } from "@voyant-travel/core";
/** Stable string identifier for local cruise creation. */
export declare const CRUISE_CREATED_EVENT: "cruise.created";
/** Stable string identifier for local cruise updates. */
export declare const CRUISE_UPDATED_EVENT: "cruise.updated";
/** Stable string identifier for local cruise deletion/archive. */
export declare const CRUISE_DELETED_EVENT: "cruise.deleted";
export type CruiseLifecycleEventName = typeof CRUISE_CREATED_EVENT | typeof CRUISE_UPDATED_EVENT | typeof CRUISE_DELETED_EVENT;
export interface CruiseLifecycleEvent {
    /** Cruise id whose lifecycle changed. */
    id: string;
}
export declare function emitCruiseLifecycleEvent(eventBus: EventBus | undefined, event: CruiseLifecycleEventName, payload: CruiseLifecycleEvent): Promise<void>;
/** Emit the canonical index/read-model invalidation after a durable overlay mutation. */
export declare function emitCruiseShipOverlayChanged(eventBus: EventBus | undefined, payload: EntityOverlayChangedPayload): Promise<void>;