import type { AiSdkTool } from './Tool.js';
import type { AgentConfig } from '../types/index.js';
export interface HandoffResult {
    __handoff: true;
    targetAgentId: string;
    targetAgent?: string;
    reason: string;
    summary?: string;
    message?: string;
}
export declare function createHandoffTool(availableAgents: AgentConfig[], currentAgentId?: string): AiSdkTool;
export declare function isHandoffResult(result: unknown): result is HandoffResult;