import { type EditableArtifactLiveHintPort } from "@opengeni/core";
import type { EventBus } from "@opengeni/events";
/**
 * Uses the API's existing resilient NATS connection. Hints carry no operation
 * bytes; every callback causes a durable DB head read and contiguous gap-fill.
 */
export declare class EventBusEditableArtifactLiveHints implements EditableArtifactLiveHintPort {
    private readonly bus;
    constructor(bus: Pick<EventBus, "getOpStreamConnection">);
    subscribe(input: Parameters<EditableArtifactLiveHintPort["subscribe"]>[0]): Promise<() => void>;
}