export declare function handleFeishuSubagentSpawning(event: any, ctx?: {
    requesterSessionKey?: string;
}): Promise<{
    status: "error";
    error: string;
    threadBindingReady?: undefined;
} | {
    status: "ok";
    threadBindingReady: boolean;
    error?: undefined;
}>;
export declare function handleFeishuSubagentEnded(event: any): void;