/**
 * Publish Scheduler
 *
 * Background service that polls for documents scheduled for publishing
 * and publishes them when their scheduled time arrives.
 */
import type { DatabaseAdapter, CollectionConfig } from '@momentumcms/core';
/**
 * Options for the publish scheduler.
 */
export interface PublishSchedulerOptions {
    /** Polling interval in milliseconds (default: 10000 = 10s) */
    intervalMs?: number;
    /** Logger function for status messages */
    logger?: (message: string) => void;
}
/**
 * Publish scheduler instance handle.
 */
export interface PublishSchedulerHandle {
    /** Stop the scheduler */
    stop(): void;
    /** Run one poll cycle manually (for testing) */
    poll(): Promise<number>;
}
/**
 * Start a background scheduler that polls for documents with
 * scheduledPublishAt <= now and publishes them.
 *
 * @param adapter - Database adapter
 * @param collections - All collection configs (only versioned ones are checked)
 * @param options - Scheduler options
 * @returns Handle to stop the scheduler
 */
export declare function startPublishScheduler(adapter: DatabaseAdapter, collections: CollectionConfig[], options?: PublishSchedulerOptions): PublishSchedulerHandle;