import type { Db } from '../storage/database.js';
import type { EventBus } from './events.js';
import type { FeedEvent } from '../types.js';
export declare class FeedService {
    private readonly db;
    private readonly events;
    constructor(db: Db, events: EventBus);
    log(agentId: string, type: string, target?: string | null, preview?: string | null): FeedEvent;
    /** Internal log that doesn't throw on invalid types (for auto-emit). */
    logInternal(agentId: string | null, type: string, target?: string | null, preview?: string | null): void;
    query(options?: {
        agent?: string;
        type?: string;
        limit?: number;
        offset?: number;
        since?: string;
    }): FeedEvent[];
    count(): number;
    recent(limit?: number): FeedEvent[];
}
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