interface Config {
    app_id?: string;
    app_secret?: string;
    user_token?: string;
    refresh_token?: string;
}
interface McpToolResult {
    [key: string]: any;
    content: {
        type: 'text';
        text: string;
    }[];
}
export declare function getFeishuTokenHandler(config: Config): Promise<McpToolResult>;
export {};