import { User } from '@n8n/db';
import type { EntityManager } from '@n8n/typeorm';
import { DataSource, Repository } from '@n8n/typeorm';
import type { AgentJsonConfig } from '@n8n/api-types';
import { AgentHistory } from '../entities/agent-history.entity';
import type { Agent } from '../entities/agent.entity';
export declare function renderAuthor(user: User): string;
export declare class AgentHistoryRepository extends Repository<AgentHistory> {
    constructor(dataSource: DataSource);
    saveVersion(data: {
        versionId: string;
        agentId: string;
        schema: AgentJsonConfig | null;
        tools: Agent['tools'] | null;
        skills: Agent['skills'] | null;
        publishedBy: User | string;
    }, trx?: EntityManager): Promise<AgentHistory>;
    findByVersionAndAgentId(versionId: string, agentId: string, trx?: EntityManager): Promise<AgentHistory | null>;
}