/**
 * Fork manager for agent/tool forking and upstream merging
 */
import type { DefinitionResolver } from '../resolver';
import type { ManifestManager } from '../manifest/manifest-manager';
import type { ForkOptions, MergeOptions, MergeResult } from './types';
export declare class ForkManager {
    private resolver;
    private manifestManager;
    constructor(resolver: DefinitionResolver, manifestManager: ManifestManager);
    /**
     * Fork an agent to local registry
     */
    forkAgent(options: ForkOptions): Promise<void>;
    /**
     * Fork a tool to local registry
     */
    forkTool(options: ForkOptions): Promise<void>;
    /**
     * Check for upstream updates for an agent
     */
    checkAgentUpstreamUpdates(forkedName: string): Promise<{
        hasUpdate: boolean;
        current: string;
        latest: string;
    }>;
    /**
     * Check for upstream updates for a tool
     */
    checkToolUpstreamUpdates(forkedName: string): Promise<{
        hasUpdate: boolean;
        current: string;
        latest: string;
    }>;
    /**
     * Merge upstream changes into forked agent
     */
    mergeUpstreamAgent(forkedName: string, options?: MergeOptions): Promise<MergeResult>;
    /**
     * Merge upstream changes into forked tool
     */
    mergeUpstreamTool(forkedName: string, options?: MergeOptions): Promise<MergeResult>;
    /**
     * Get the base version of a definition (the version at fork point)
     */
    private getBaseVersion;
}
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