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): import("ai").Tool<{}, {
    error: string;
}> | import("ai").Tool<{
    reason: string;
    targetAgentId: string;
    summary?: string | undefined;
}, {
    __handoff: true;
    targetAgentId: string;
    targetAgent: string;
    reason: string;
    summary: string | undefined;
}>;
export declare function isHandoffResult(result: unknown): result is HandoffResult;